连铸钢坯主要有:方坯、板坯、矩型坯;钢种主要有:普碳钢、优质碳素结构钢、低合金高强度结构钢、高质量带肋钢筋用钢、煤机用热轧异型钢、船体用结构钢、合金结构钢、焊接用钢丝钢、弹簧钢、矿用钢、冷镦钢、锅炉用碳素及合金钢、压力容器用钢、无缝气瓶用钢、桥梁用钢、轻轨钢、汽车大梁用钢、焊瓶用钢、管线钢、集装箱板钢、耐侯钢及复合基板钢23个系列180余种。 |
产品规格(mm)
|
材质
|
定尺(M)
|
执行标准
|
1、方坯
|
|||
150×150×7800
|
HRB335
|
6-12
|
GB700-88
|
150×150×6000
|
HRB335
|
||
150×150×9700
|
HRB335
|
||
150×150×9000
|
Q235
|
||
135×135×9800
|
Q235
|
||
135×135×9000
|
Q235
|
||
135×135×9000
|
16Mn
|
||
135×135×9000
|
16Mn
|
||
135×135×9800
|
16Mn
|
||
150×150×6000
|
B7
|
||
135×135×9000
|
B7
|
||
135×135×9000
|
12LW
|
||
150×150×8600
|
55Q
|
||
135×135×9000
|
24Mn2k
|
||
2、矩型坯 | |||
65×225×9000
|
Q235
|
6-12
|
GB1519-88
|
180×275×9000
|
Q235
|
||
180×275×6000
|
Q235
|
||
180×275×6000
|
16Mn
|
||
3、板坯 | |||
150×1200×6000
|
Q235
|
5-9
|
GB699-88
|
150×1200×5300
|
|||
150×1120×5000
|
|||
150×1120×5900
|
|||
180×1200×6000
|
|||
200×1200×4600
|
|||
200×1200×6000
|
|||
150×1000×4100
|
|||
150×1100×4700
|
|||
150×1250×6000
|
Q215
|
||
150×1120×5000
|
Q215
|
||
150×1200×6000
|
16Mn
|
||
150×1100×5700
|
16Mn
|
||
150×1100×6000
|
16Mn
|
||
150×1200×6000
|
12LW
|
产品
|
钢坯规格 | |
断面尺寸mm | 定尺m | |
方坯
|
120×120、135×135、150×150 |
3~12 |
板坯
|
厚度:150、180、200 宽度: 1000~1200 | 4.5~6 |
低合金高强度结构钢 GB/T 1591-94 |
牌号等级 | 化 学 成 份 % | |||||||||||
Mn
|
Si≤
|
P ≤
|
S ≤
|
V
|
Nb
|
Ti
|
C ≤
|
Al≥
|
Cr≤
|
Ni≤
|
||
Q295
|
A | 0.80-1.50 | 0.55 |
0.045 | 0.045 | 0.02-0.15 | 0.015-0.06 |
0.02-0.20 | 0.16 | |||
Q295
|
B | 0.80-1.50 | 0.55 |
0.040 | 0.040 | 0.02-0.15 | 0.015-0.06 |
0.02-0.20 | 0.16 | |||
Q345
|
A | 1.00-1.60 | 0.55 |
0.045 | 0.045 | 0.02-0.15 | 0.015-0.06 |
0.02-0.20 | 0.02-0.20 | |||
Q345
|
B | 1.00-1.60 | 0.55 |
0.040 | 0.040 | 0.02-0.15 | 0.015-0.06 |
0.02-0.20 | 0.02-0.20 | |||
Q345
|
C | 1.00-1.60 | 0.55 |
0.035 |
0.035 |
0.02-0.15 | 0.015-0.06 |
0.02-0.20 | 0.02-0.20 | 0.015 | ||
Q345
|
D | 1.00-1.60 | 0.55 |
0.030 |
0.030 |
0.02-0.15 | 0.015-0.06 |
0.02-0.20 | 0.18 | 0.015 | ||
Q345
|
E | 1.00-1.60 | 0.55 |
0.025 |
0.025 |
0.02-0.15 | 0.015-0.06 |
0.02-0.20 | 0.18 | 0.015 | ||
Q390
|
A | 1.00-1.60 | 0.55 |
0.045 | 0.045 | 0.02-0.20 | 0.015-0.06 |
0.02-0.20 | 0.02-0.20 | 0.30 |
0.7
|
|
Q390
|
B | 1.00-1.60 | 0.55 |
0.040 | 0.040 | 0.02-0.20 | 0.015-0.06 |
0.02-0.20 | 0.02-0.20 | 0.30 |
0.7
|
|
Q390
|
C | 1.00-1.60 | 0.55 |
0.035 |
0.035 |
0.02-0.20 | 0.015-0.06 |
0.02-0.20 | 0.02-0.20 | 0.015 | 0.30 |
0.7
|
Q390
|
D | 1.00-1.60 | 0.55 |
0.030 |
0.030 |
0.02-0.20 | 0.015-0.06 |
0.02-0.20 | 0.02-0.20 | 0.015 | 0.30 |
0.7
|
Q390
|
E | 1.00-1.60 | 0.55 |
0.025 | 0.025 | 0.02-0.20 | 0.015-0.06 |
0.02-0.20 | 0.02-0.20 | 0.015 | 0.30 |
0.7
|
Q420
|
A | 1.00-1.70 | 0.55 |
0.045 | 0.045 | 0.02-0.20 | 0.015-0.06 |
0.02-0.20 | 0.02-0.20 | 0.4 |
0.7
|
|
Q420
|
B | 1.00-1.70 | 0.55 |
0.040 | 0.040 | 0.02-0.20 | 0.015-0.06 |
0.02-0.20 | 0.02-0.20 | 0.4 |
0.7
|
|
Q420
|
C | 1.00-1.70 | 0.55 |
0.035 |
0.035 |
0.02-0.20 | 0.015-0.06 |
0.02-0.20 | 0.02-0.20 | 0.015 | 0.4 |
0.7
|
Q420
|
D | 1.00-1.70 | 0.55 |
0.030 |
0.030 |
0.02-0.20 | 0.015-0.06 |
0.02-0.20 | 0.02-0.20 | 0.015 | 0.4 |
0.7
|
Q420
|
E | 1.00-1.70 | 0.55 |
0.025 | 0.025 | 0.02-0.20 | 0.015-0.06 |
0.02-0.20 | 0.02-0.20 | 0.015 | 0.4 |
0.7
|
Q460
|
C | 1.00-1.70 | 0.55 |
0.035 |
0.035 |
0.02-0.20 | 0.015-0.06 |
0.02-0.20 | 0.02-0.20 | 0.015 | 0.7 |
0.7
|
Q460
|
D | 1.00-1.70 | 0.55 |
0.030 |
0.030 |
0.02-0.20 | 0.015-0.06 |
0.02-0.20 | 0.02-0.20 | 0.015 | 0.7 |
0.7
|
Q460
|
E | 1.00-1.70 | 0.55 |
0.025 | 0.025 | 0.02-0.20 | 0.015-0.06 |
0.02-0.20 | 0.02-0.20 | 0.015 | 0.7 |
0.7
|
高质量带肋钢筋用钢 GB1499-1998 |
牌号
|
原牌号
|
化 学 成 份 ,%
|
|||||||
C
|
Si
|
Mn
|
V
|
Nb
|
Ti
|
P
|
S
|
||
不大于
|
|||||||||
HRB335 | 20MnSi |
0.17-0.25 |
0.40-0.80 |
1.20-1.60 | 0.045 | 0.045 | |||
HRB 400 |
20MnSiV |
0.17-0.25 |
0.20-0.80 | 1.20-1.60 | 0.04-0.12 |
0.045 | 0.045 | ||
20MnSiNb |
0.17-0.25 |
0.20-0.80 | 1.20-1.60 | 0.02-0.04 | 0.045 | 0.045 | |||
20MnTi |
0.17-0.25 |
0.17-0.37 |
1.20-1.60 | 0.02-0.05 | 0.045 | 0.045 |
煤机用热轧异型钢 GB/T3424-94 |
牌 号
|
化 学 成 份 %
|
||||
C
|
Si
|
Mn
|
P不大于
|
S不大于
|
|
M510
|
0.20-0.27
|
0.20-0.60
|
1.20-1.60
|
0.045
|
0.045
|
M540
|
0.20-0.29
|
0.17-0.37
|
1.30-1.80
|
0.045
|
0.045
|
M565
|
0.25-0.33
|
0.17-0.37
|
1.30-1.80
|
0.045
|
0.045
|
船体用结构钢 GB712-88 |
钢类
|
等级
|
化 学 成 份 %
|
|||||||
C
|
Mn
|
Si
|
P
|
S
|
ALs
|
Nb
|
V
|
||
一般强度钢
|
A
|
≤0.22 |
≥2.5C |
0.10-0.35 | ≤0.040 | ≤0.040 | |||
一般强度钢
|
B
|
≤0.21 |
0.60-1.00 | 0.10-0.35 | ≤0.040 | ≤0.040 | |||
一般强度钢
|
D
|
≤0.21 |
0.60-1.10 |
0.10-0.35 | ≤0.040 | ≤0.040 | |||
一般强度钢
|
E
|
≤0.18 |
0.70-1.20 |
0.10-0.35 | ≤0.040 | ≤0.040 | ≥0.015 |
||
高强度钢
|
AH32
|
≤0.18 |
0.70-1.60 |
0.10-0.50 | ≤0.040 | ≤0.040 | ≥0.015 |
||
高强度钢
|
DH32
|
≤0.18 |
0.90-1.60 |
0.10-0.50 | ≤0.040 | ≤0.040 | ≥0.015 |
||
高强度钢
|
EH32
|
≤0.18 |
0.90-1.60 |
0.10-0.50 | ≤0.040 | ≤0.040 | ≥0.015 |
||
高强度钢
|
AH36
|
≤0.18 |
0.70-1.60 | 0.10-0.50 | ≤0.040 | ≤0.040 | ≥0.015 |
0.015-0.050 |
0.30-0.10 |
高强度钢
|
DH36
|
≤0.18 |
0.90-1.60 |
0.10-0.50 | ≤0.040 | ≤0.040 | ≥0.015 |
0.015-0.050 |
0.30-0.10 |
高强度钢
|
EH36
|
≤0.18 |
0.90-1.60 |
0.10-0.50 | ≤0.040 | ≤0.040 | ≥0.015 |
0.015-0.050 |
0.30-0.10 |
合金结构钢GB/T 3077-88 |
牌号
|
化 学 成 份 %
|
||||||||
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Ni
|
Cu
|
|
|
20Mn2
|
0.17-0.24
|
0.17-0.37
|
1.40-1.80
|
≤0.035
|
≤0.035
|
≤0.30
|
≤0.30
|
≤0.30
|
|
30Mn2
|
0.27-0.34
|
0.17-0.37
|
1.40-1.80
|
≤0.035
|
≤0.035
|
≤0.30
|
≤0.30
|
≤0.30
|
|
35Mn2
|
0.32-0.39
|
0.17-0.37
|
1.40-1.80
|
≤0.035
|
≤0.035
|
≤0.30
|
≤0.30
|
≤0.30
|
|
40Mn2
|
0.37-0.44
|
0.17-0.37
|
1.40-1.80
|
≤0.035
|
≤0.035
|
≤0.30
|
≤0.30
|
≤0.30
|
|
45Mn2
|
0.42-0.49
|
0.17-0.37
|
1.40-1.80
|
≤0.035
|
≤0.035
|
≤0.30
|
≤0.30
|
≤0.30
|
|
50Mn2
|
0.47-0.55
|
0.17-0.37
|
1.40-1.80
|
≤0.035
|
≤0.035
|
≤0.30
|
≤0.30
|
≤0.30
|
V 0.07-0.12
|
20MnV
|
0.17-0.24
|
0.17-0.37
|
1.30-1.60
|
≤0.035
|
≤0.035
|
≤0.30
|
≤0.30
|
≤0.30
|
|
27SiMn
|
0.24-0.32
|
1.10-1.40
|
1.10-1.40
|
≤0.035
|
≤0.035
|
≤0.30
|
≤0.30
|
≤0.30
|
|
35SiMn
|
0.32-0.40
|
1.10-1.40
|
1.10-1.40
|
≤0.035
|
≤0.035
|
≤0.30
|
≤0.30
|
≤0.30
|
|
42SiMn
|
0.39-0.45
|
1.10-1.40
|
1.10-1.40
|
≤0.035
|
≤0.035
|
≤0.30
|
≤0.30
|
≤0.30
|
|
15Cr
|
0.12-0.18
|
0.17-0.57
|
0.40-0.70
|
≤0.035
|
≤0.035
|
0.70-1.00
|
≤0.30
|
≤0.30
|
|
15CrA
|
0.12-0.17
|
0.17-0.57
|
0.40-0.70
|
≤0.035
|
≤0.035
|
0.70-1.00
|
≤0.30
|
≤0.30
|
|
20Cr
|
0.18-0.24
|
0.17-0.57
|
0.50-0.80
|
≤0.035
|
≤0.035
|
0.70-1.00
|
≤0.30
|
≤0.30
|
|
30Cr
|
0.27-0.34
|
|
0.50-0.80
|
≤0.035
|
≤0.035
|
0.80-1.10
|
≤0.30
|
≤0.30
|
|
35Cr
|
0.32-0.39
|
0.17-0.57
|
0.50-0.80
|
≤0.035
|
≤0.035
|
0.40-0.70
|
≤0.30
|
≤0.30
|
|
12CrMo
|
0.08-0.15
|
0.17-0.57
|
0.40-0.70
|
≤0.035
|
≤0.035
|
0.80-1.10
|
≤0.30
|
≤0.30
|
Mo 0.40-0.55
|
15CrMo
|
0.12-0.18
|
0.17-0.57
|
0.40-0.70
|
≤0.035
|
≤0.035
|
0.80-1.10
|
≤0.30
|
≤0.30
|
Mo 0.40-0.55
|
20CrMo
|
0.17-0.24
|
0.17-0.57
|
0.40-0.70
|
≤0.035
|
≤0.035
|
0.80-1.10
|
≤0.30
|
≤0.30
|
Mo 0.15-0.25
|
30CrMo
|
0.24-0.34
|
0.17-0.57
|
0.40-0.70
|
≤0.035
|
≤0.035
|
0.80-1.10
|
≤0.30
|
≤0.30
|
Mo 0.15-0.25
|
30CrMoA
|
0.26-0.33
|
0.17-0.57
|
0.40-0.70
|
≤0.035
|
≤0.035
|
0.80-1.10
|
≤0.30
|
≤0.30
|
Mo 0.15-0.25
|
35CrMo
|
0.32-0.40
|
0.17-0.57
|
0.40-0.70
|
≤0.035
|
≤0.035
|
0.80-1.10
|
≤0.30
|
≤0.30
|
Mo 0.15-0.25
|
15CrMn
|
0.12-0.18
|
0.17-0.57
|
1.10-1.40
|
≤0.035
|
≤0.035
|
0.40-0.70
|
≤0.30
|
≤0.30
|
|
20CrMn
|
0.17-0.23
|
0.17-0.57
|
0.90-1.20
|
≤0.035
|
≤0.035
|
0.90-1.20
|
≤0.30
|
≤0.30
|
|
40CrMn
|
0.37-0.45
|
0.17-0.57
|
0.90-1.20
|
≤0.035
|
≤0.035
|
0.90-1.20
|
≤0.30
|
≤0.30
|
|
20CrMnSi
|
0.17-0.23
|
0.90-1.20
|
0.80-1.10
|
≤0.035
|
≤0.035
|
0.80-1.10
|
≤0.30
|
≤0.30
|
|
30CrMnSi
|
0.27-0.34
|
0.90-1.20
|
0.80-1.10
|
≤0.035
|
≤0.035
|
0.80-1.10
|
≤0.30
|
≤0.30
|
|
20CrMnMo
|
0.17-0.23
|
0.17-0.37
|
0.80-1.10
|
≤0.035
|
≤0.035
|
1.10-1.40
|
≤0.30
|
≤0.30
|
Mo 0.20-0.30
|
40CrMnMo
|
0.32-0.45
|
0.17-0.37
|
0.80-1.20
|
≤0.035
|
≤0.035
|
0.90-1.20
|
≤0.30
|
≤0.30
|
Mo 0.20-0.30
|
20CrMnTi
|
0.17-0.23
|
0.17-0.37
|
0.80-1.20
|
≤0.035
|
≤0.035
|
1.00-1.30
|
≤0.30
|
≤0.30
|
Ti 0.04-0.10
|
30CrMnTi
|
0.24-0.32
|
0.17-0.37
|
0.80-1.10
|
≤0.035
|
≤0.035
|
1.00-1.30
|
≤0.30
|
≤0.30
|
Ti 0.04-0.10
|
焊 接 用 钢 丝 钢 GB/T 1300 |
牌号
|
化 学 成 份 %
|
||||
C
|
Si
|
Mn
|
P
|
S
|
|
H08A |
≤0.10
|
≤0.03
|
0.30- 0.55
|
≤0.030
|
≤0.030
|
H08E |
≤0.10
|
≤0.03
|
0.30- 0.55
|
≤0.020
|
≤0.020
|
H08C |
≤0.10
|
≤0.03
|
0.30- 0.55
|
≤0.015
|
≤0.015
|
H08MnA |
≤0.10
|
≤0.07
|
0.80- 1.10
|
≤0.030
|
≤0.030
|
H15A |
0.11- 0.18
|
≤0.03
|
0.35- 0.65
|
≤0.030
|
≤0.030
|
H15Mn |
0.11- 0.18
|
≤0.03
|
0.80- 1.10
|
≤0.035
|
≤0.035
|
H10Mn2 |
≤0.12
|
≤0.07
|
1.50- 1.90
|
≤0.035
|
≤0.035
|
H08Mn2Si |
≤0.11
|
0.65- 0.95
|
1.70- 2.10
|
≤0.035
|
≤0.035
|
H08Mn2SiA |
≤0.11
|
0.65- 0.95
|
1.80- 2.10
|
≤0.030
|
≤0.030
|
H10MnSi |
≤0.14
|
0.60- 0.90
|
0.80- 1.10
|
≤0.035
|
≤0.035
|
H10MnSiMo |
≤0.14
|
0.70- 1.10
|
0.90- 1.20
|
≤0.035
|
≤0.035
|
H10MnSiMoTiA |
0.08~ 0.12
|
0.40~ 0.70
|
1.00~ 1.30
|
≤0.030
|
≤0.025
|
H08MnMoA |
≤ 0.10
|
≤0.25
|
1.20~ 1.60
|
≤0.030
|
≤0.030
|
H08Mn2MoA |
0.06~ 0.11
|
≤0.25
|
1.60~ 1.90
|
≤0.030
|
≤0.030
|
H10Mn2MoA |
0.08~ 0.13
|
≤0.40
|
1.70~ 2.00
|
≤0.030
|
≤0.030
|
H08Mn2MoVA |
0.06~ 0.11
|
≤ 0.25
|
1.60~ 1.90
|
≤0.030
|
≤0.030
|
H10Mn2MoVA |
0.08~ 0.13
|
≤0.40
|
1.70~ 2.00
|
≤0.030
|
≤0.030
|
H08CrMoA |
≤ 0.10
|
0.15- 0.35
|
0.40- 0.70
|
≤0.030
|
≤0.030
|
H13CrMoA |
0.11- 0.16
|
0.15- 0.35
|
0.40- 0.70
|
≤0.030
|
≤0.030
|
H18CrMoA |
0.15- 0.22
|
0.15- 0.35
|
0.40- 0.70
|
≤0.030
|
≤0.025
|
H08CrMoVA |
≤0.10
|
0.15- 0.35
|
0.40- 0.70
|
≤0.030
|
≤0.030
|
H08CrNi2MoA |
0.05~ 0.10
|
0.10~ 0.30
|
0.50~ 0.85
|
0.030
|
0.025
|
H30CrMnSiA |
0.25~ 0.35
|
0.90~ 1.20
|
0.80~ 1.10
|
≤0.025
|
≤0.025
|
H10MoCrA |
≤0.12
|
0.15~ 0.35
|
0.40~ 0.70
|
≤0.030
|
≤0.030
|
牌号
|
化 学 成 份 %
|
|||||
Cr
|
Ni
|
其它
|
Mo
|
V
|
Cu
|
|
H08A |
≤0.020
|
≤0.30
|
≤0.20
|
|||
H08E |
≤0.020
|
≤0.30
|
≤0.20
|
|||
H08C |
≤0.020
|
≤0.30
|
≤0.20
|
|||
H08MnA |
≤0.020
|
≤0.30
|
≤0.20
|
|||
H15A |
≤0.020
|
≤0.30
|
≤0.20
|
|||
H15Mn |
≤0.020
|
≤0.30
|
≤0.20
|
|||
H10Mn2 |
≤0.020
|
≤0.30
|
≤0.20
|
|||
H08Mn2Si |
≤0.020
|
≤0.30
|
≤0.20
|
|||
H08Mn2SiA |
≤0.020
|
≤0.30
|
≤0.20
|
|||
H10MnSi |
≤0.020
|
≤0.30
|
≤0.20
|
|||
H10MnSiMo |
≤0.020
|
≤0.30
|
≤0.20
|
|||
H10MnSiMoTiA |
≤0.020
|
≤0.30
|
Ti0.05 ~0.15 |
≤0.20
|
||
H08MnMoA |
≤0.020
|
≤0.30
|
Ti0.15 (加入量) |
0.30~0.50
|
≤0.20
|
|
H08Mn2MoA |
≤0.020
|
≤0.30
|
Ti0.15 (加入量) |
0.50~0.70
|
≤0.20
|
|
H10Mn2MoA |
≤0.020
|
≤0.30
|
Ti0.15 (加入量) |
0.60~0.80
|
≤0.20
|
|
H08Mn2MoVA |
≤ 0.20
|
≤0.30
|
Ti0.15 (加入量) |
0.50~0.70
|
0.06~0.12 |
≤0.20
|
H10Mn2MoVA |
≤ 0.20
|
≤0.30
|
Ti0.15 (加入量) |
0.60~0.80
|
0.06~0.12 |
≤0.20
|
H08CrMoA |
0.80-1.10
|
≤0.30
|
0.40~0.60
|
≤0.20
|
||
H13CrMoA |
0.80-1.10
|
≤0.30
|
0.40~0.60
|
≤0.20
|
||
H18CrMoA |
0.80-1.10
|
≤0.30
|
0.15~0.25
|
≤0.20
|
||
H08CrMoVA |
1.00-1.30
|
≤0.30
|
0.50~0.70
|
0.15~0.35 |
≤0.20
|
|
H08CrNi2MoA |
0.70~1.00
|
1.40 ~1.80
|
0.20~0.40
|
≤0.20
|
||
H30CrMnSiA |
0.80~1.10
|
≤0.30
|
|
≤0.20
|
||
H10MoCrA |
0.45~0.65
|
≤0.30
|
0.40~0.60
|
≤0.20
|
弹 簧 钢 GB/T 1222 |
牌号
|
化 学 成 份 %
|
|||||||
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Ni
|
Cu
|
|
65Mn
|
0.62-0.70
|
0.17-0.37
|
0.90-1.20
|
≤0.035
|
≤0.035
|
≤0.25
|
≤0.25
|
≤0.25
|
55Si2Mn
|
0.52-0.60
|
1.50-2.00
|
0.60-0.90
|
≤0.035
|
≤0.035
|
≤0.035
|
≤0.035
|
≤0.25
|
60Si2Mn
|
0.56-0.64
|
|
|
≤0.035
|
≤0.035
|
≤0.035
|
≤0.035
|
≤0.25
|
65Si2Mn
|
0.56-0.64
|
|
|
≤0.030
|
≤0.030
|
≤0.035
|
≤0.035
|
≤0.25
|
矿 用 钢 GB/T 3414 |
牌号
|
化 学 成 份 %
|
|||||
C
|
Si
|
Mn
|
P
|
S
|
V
|
|
24Mn2K
|
0.20-0.27
|
0.17-0.37
|
1.30-1.80
|
≤0.045
|
≤0.045
|
0.07-0.20
|
20MnVK
|
0.17-0.20
|
0.17-0.37
|
1.20-1.60
|
≤0.040
|
≤0.040
|
0.07-0.20
|
25MnK
|
0.21-0.31
|
0.20-0.60
|
1.20-1.60
|
≤0.040
|
≤0.050
|
0.07-0.20
|
34SiMnK
|
0.30-0.38
|
0.90-1.30
|
1.00-1.40
|
≤0.040
|
≤0.040
|
0.07-0.20
|
冷 镦 钢 GB/T 6478 |
牌号
|
化 学 成 份 %
|
|||||
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
|
ML08
|
0.05-0.12
|
≤0.03
|
0.20-0.50
|
≤0.035
|
≤0.035
|
|
ML10
|
0.07-0.14
|
≤0.03
|
0.20-0.50
|
≤0.035
|
≤0.035
|
|
ML15
|
0.12-018
|
≤0.07
|
0.20-0.50
|
≤0.035
|
≤0.035
|
|
ML20
|
0.17-0.24
|
≤0.07
|
0.20-0.50
|
≤0.035
|
≤0.035
|
|
ML25
|
0.22-0.30
|
≤0.20
|
0.30-0.60
|
≤0.035
|
≤0.035
|
|
ML30
|
0.27-0.35
|
≤0.20
|
0.30-0.60
|
≤0.035
|
≤0.035
|
|
ML35
|
0.32-0.40
|
≤0.20
|
0.30-0.60
|
≤0.035
|
≤0.035
|
|
ML40
|
0.37-0.45
|
≤0.20
|
0.30-0.60
|
≤0.035
|
≤0.035
|
|
ML45
|
0.42-0.50
|
≤0.20
|
0.30-0.60
|
≤0.035
|
≤0.035
|
|
ML25Mn
|
0.22-0.30
|
≤0.25
|
0.50-0.80
|
≤0.035
|
≤0.035
|
|
ML30Mn
|
0.27-0.35
|
≤0.25
|
0.50-0.80
|
≤0.035
|
≤0.035
|
|
ML35Mn
|
0.32-0.40
|
≤0.25
|
0.50-0.80
|
≤0.035
|
≤0.035
|
|
ML40Mn
|
0.37-0.45
|
≤0.25
|
0.50-0.80
|
≤0.035
|
≤0.035
|
|
ML45Mn
|
0.42-0.50
|
≤0.25
|
0.50-0.80
|
≤0.035
|
≤0.035
|
|
ML15Cr
|
0.12-018
|
≤0.30
|
0.40-0.70
|
≤0.035
|
≤0.035
|
0.70-1.00
|
ML20Cr
|
0.17-0.24
|
≤0.30
|
0.50-0.80
|
≤0.035
|
≤0.035
|
0.70-1.00
|
锅炉用碳素钢和低合GB 713 |
牌号
|
化 学 成 份 %
|
||||||
C
|
Si
|
Mn
|
P
|
S
|
|
Cu
|
|
20g
|
≤0.24
|
0.15-0.30
|
0.35-0.65
|
≤0.035
|
≤0.035
|
|
|
22g
|
≤0.26
|
0.17-0.37
|
0.60-0.90
|
≤0.035
|
≤0.035
|
|
|
12Mng
|
≤0.16
|
0.20-0.60
|
1.10-1.50
|
≤0.035
|
≤0.035
|
|
|
16Mng
|
0.12-0.20
|
0.20-0.60
|
1.20-1.60
|
≤0.035
|
≤0.035
|
|
|
15MnVg
|
0.10-0.18
|
0.20-0.60
|
1.20-1.60
|
≤0.035
|
≤0.035
|
V 0.04-0.12
|
≤0.03
|
14MnMoVg
|
0.10-0.18
|
0.20-0.50
|
1.20-1.60
|
≤0.035
|
≤0.035
|
V 0.05-0.15
|
Mo0.40-0.65
|
18MnMoNbg
|
0.17-0.23
|
0.17-0.37
|
1.35-1.65
|
≤0.035
|
≤0.035
|
Nb 0.025-0.050
|
Mo0.40-0.65
|
压力容器碳素用钢和低合金 GB 6654 |
牌号
|
化 学 成 份 %
|
||||||||
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Ni
|
Mo
|
Cu
|
|
20R |
≤0.22 | 0.15-0.30 | 0.35-0.80 | ≤0.035 | ≤0.035 | ≤0.030 | ≤0.030 | ≤0.030 | |
16MnR | ≤0.20 | 0.20-0.60 | 1.20-1.60 | ≤0.035 | ≤0.035 | ≤0.030 | ≤0.030 | ≤0.030 | |
15MnVR | ≤0.18 | 0.20-0.60 | 1.20-1.60 | ≤0.035 | ≤0.035 | ≤0.030 | ≤0.030 | V 0.04-0.12 |
≤0.030 |
18MnMoNbR | ≤0.23 | 0.17-0.37 | 1.35-1.65 | ≤0.035 | ≤0.035 | ≤0.030 | ≤0.030 | Mo 0.45-0.65 Nb 0.025-0.050 |
≤0.030 |
无缝气瓶用钢GB12447 |
牌号
|
化 学 成 份 %
|
||||||||
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Ni
|
Mo
|
Cu
|
|
40Mn2 |
0.37-0.44 |
0.17-0.37 |
1.40-1.80 |
≤0.035 |
≤0.035 |
≤0.30 |
≤0.30 | ≤0.20 | |
40Mn2A | 0.37-0.44 | 0.17-0.37 |
1.40-1.80 | ≤0.025 | ≤0.025 | ≤0.30 | ≤0.30 | ≤0.20 | |
34Mn2V | 0.30-0.37 | 0.17-0.37 |
1.40-1.80 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.30 | V 0.07-0.12 Mo 0.15-0.25 |
≤0.20 |
30CrMo | 0.26-0.34 | 0.17-0.37 |
0.40-0.70 | ≤0.035 | ≤0.035 | 0.80-1.00 | ≤0.30 | ≤0.20 |
桥 梁 用 钢 YB(T)10 |
牌号
|
化 学 成 份 %
|
||||||||
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Ni
|
V
|
Cu
|
|
16Mn9 | 0.12-0.20 | 0.20-0.60 | 1.20-1.60 | ≤0.035 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.30 | |
15MnV9 | 0.10-0.18 | 0.20-0.60 | 1.20-1.60 | ≤0.035 | ≤0.035 | ≤0.035 | ≤0.30 | 0.04-0.12 | ≤0.30 |
轨 用 钢 GB/11264 |
牌号
|
化 学 成 份 %
|
|||||
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
|
50Q
|
0.35-0.60
|
0.15-0.35
|
≥0.40
|
≤0.045
|
≤0.050
|
≤0.40
|
55Q
|
0.50-0.60
|
0.15-0.35
|
0.60-0.90
|
≤0.045
|
≤0.050
|
≤0.40
|
汽 车 大 梁 用 钢 (太规) |
牌号
|
化 学 成 份 %
|
||||||
C
|
Si
|
Mn
|
P
|
S
|
Ti
|
Nb
|
|
10TiL |
≤0.14 |
0.10-0.30 |
0.50-0.90 |
≤0.035 |
≤0.035 |
0.07-0.20 | |
T420L | 0.07-0.11 | ≤0.30 | 0.70-0.90 | ≤0.020 | ≤0.010 | 0.006-0.012 | |
T440L | 0.07-0.11 | ≤0.30 | 0.80-1.00 | ≤0.020 | ≤0.010 | 0.008-0.015 | |
T510L | 0.08-0.12 | ≤0.30 | 1.20-1.40 | ≤0.020 | ≤0.010 | 0.010-0.020 |
汽 车 轴 管 用 钢 (太规) |
牌号
|
化 学 成 份 %
|
|||||
C
|
Si
|
Mn
|
P
|
S
|
Nb
|
|
440QZ
|
≤0.12
|
≤0.50
|
≤1.30
|
≤0.30
|
≤0.025
|
≤0.04
|
480QZ
|
0.09-0.14
|
≤0.20
|
0.90-1.20
|
≤0.20
|
≤0.015
|
≥0.005
|
焊 瓶 用 钢 (太规) |
牌号
|
化 学 成 份 %
|
||||||
C
|
Si
|
Mn
|
P
|
S
|
AL
|
V
|
|
HP295
|
0.13-0.18
|
≤0.10
|
0.70-1.00
|
≤0.025
|
≤0.020
|
≥0.015
|
|
HP325
|
0.16-0.20
|
≤0.10
|
1.20-1.50
|
≤0.020
|
≤0.018
|
≥0.015
|
|
HP345
|
0.12-0.18
|
0.10-0.30
|
0.80-1.40
|
≤0.030
|
≤0.030
|
ALS≥0.015
|
0.01-0.03
济钢标 |
集 装 箱 板 钢 (太规) |
牌号
|
化 学 成 份 %
|
|||||||
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Ni
|
Cu
|
|
SPA-H | 0.06-0.11 | 0.30-0.60 | 0.30-0.50 | 0.07-0.12 | ≤0.025 | 0.40-0.60 | 0.15-0.40 | 0.25-0.35 |
管 线 钢 (太规) |
牌号
|
化 学 成 份 %
|
|||||||
C Si
|
Si
|
Mn P
|
P
|
S
|
Ti
|
AL
|
NiCrCu
|
|
X42
|
0.06-0.12
|
0.15-0.30
|
0.90-1.25
|
≤0.030
|
≤0.030
|
≥0.02
|
≥0.02
|
|
X46
|
0.07-0.12
|
0.15-0.35
|
0.90-1.25
|
≤0.020
|
≤0.010
|
≥0.02
|
|
|
X52
|
0.08-0.12
|
0.20-0.35
|
1.10-1.35
|
≤0.020
|
≤0.010
|
≥0.02
|
|
≤0.10
|
X60
|
0.06-0.12
|
0.15-0.40
|
1.20-1.60
|
≤0.030
|
≤0.020
|
≥0.02
|
0.02-0.06
|
|
热 轧 带 钢 (太规) |
牌号
|
化 学 成 份 %
|
|||||
C
|
Si
|
Mn
|
P
|
S
|
AL
|
|
SPAC | ≤0.08 | ≤0.03 | 0.20-0.40 | ≤0.020 | ≤0.020 | ≤0.02 |
耐 侯 钢 (太规) |
牌号
|
化 学 成 份 %
|
|||||||
C
|
Si
|
Mn
|
P
|
S
|
Ti
|
Cu
|
Re
|
|
09CuPTiRe | ≤0.12 | 0.20-0.40 | 0.20-0.50 | 0.07-0.12 | ≤0.040 | ≤0.030 | 0.25-0.45 | 0.02-0.04 |
模 板 钢 (太规) |
牌号
|
化 学 成 份 %
|
|||||
C
|
Si
|
Mn
|
P
|
S
|
AL
|
|
TM400 | ≤0.15 | ≤0.10 | 0.30-0.50 | ≤0.030 | ≤0.025 | ≥0.015 |
复 合 基 板 钢 (太规) |
牌号
|
化 学 成 份 %
|
|||||||
C
|
Si
|
Mn
|
P
|
S
|
Ti
|
AL
|
V
|
|
Q345B | 0.12-0.20 | 0.20-0.55 | 1.20-1.60 | ≤0.040 | ≤0.040 | 0.02-0.20 | ||
Q345C | ≤0.20 | ≤0.55 | 1.00-1.60 | ≤0.035 | ≤0.035 | 0.02-0.20 | ≥0.015 | 0.02-0.15 |
连续铸钢方坯和矩形坯尺寸 及允许偏差YB2011-85 |
连续坯横截面的对角线长度 之差应符合下表YB2011-85 |
|
|
连续铸钢板坯的尺寸及其允许偏差YB2012-85 |
厚度
|
允许偏差
|
宽度 允
|
允许偏差
|
<150
|
±4.0
|
<1000
|
±10
|
150-200
|
±5.0
|
1000-1600
|
|
>180
|
±5.0
|
>1600
|
﹢15
﹣10 |
钢筋混凝土用热轧光圆钢筋用钢(GB13013-94) |
V
|
钢筋级别
|
强度代号
|
牌号
|
化学成分%
|
||||
C
|
Si
|
Mi
|
C
|
S
|
||||
不大于
|
||||||||
光圆
|
Ⅰ
|
R235
|
Q235
|
0.14~0.22
|
0.12~0.30
|
0.30~0.65
|
0.045
|
0.050
|
力学性能及工艺性能 |
表面形状
|
钢筋级别
|
强度等级代号
|
公称直径mm
|
屈服点
бsMPa |
抗拉强度
бbMPa |
伸长率
δs% |
冷弯
d-弯芯直径 a-钢筋公称直径 |
|
不大于
|
||||||||
光圆
|
Ⅰ
|
R235
|
8~20
|
235
|
370
|
25
|
180o
|
d=a
|
钢轨用鱼尾板钢 (YB(T)58-87) |
牌号
|
化学成份%
|
||||
C
|
Si
|
Mn
|
P
|
S
|
|
不大于
|
|||||
YW52
|
0.45~0.58
|
0.17~0.35
|
0.55~0.80
|
0.04
|
0.045
|
碳素结构钢 |
牌号
|
等级
|
化学成份%
|
脱氧方法
|
||||
C
|
Mn
|
Si
|
S
|
P
|
|||
不大于
|
|||||||
Q195
|
-
|
0.06~0.12
|
0.25~0.50
|
0.3
|
0.05
|
0.045
|
F.b.Z
|
Q215
|
A
|
0.09~0.15
|
0.25~00.55
|
0.3
|
0.05
|
0.045
|
F.b.Z
|
B
|
0.045
|
||||||
Q235
|
A
|
0.14~0.22
|
0.30~0.65
|
0.3
|
0.05
|
0.045
|
F.b.Z
|
B
|
0.12~0.20
|
0.30~0.70
|
0.045
|
||||
C
|
≤0.18
|
0.35~0.80
|
0.04
|
0.040
|
Z
|
||
D
|
≤0.17
|
0.035
|
0.035
|
TZ
|
|||
Q255 |
A
|
0.18~0.28
|
0.40~0.70
|
0.3
|
0.05
|
0.045
|
F.b.Z
|
B
|
0.045
|
||||||
Q275
|
-
|
0.28~00.38
|
0.50~0.80
|
0.35
|
0.05
|
0.045
|
b.Z
|
锅炉用碳素钢和低合GB 713 |
牌号
|
化 学 成 份 %
|
||||||
C
|
Si
|
Mn
|
P
|
S
|
|
Cu
|
|
20g
|
≤0.24
|
0.15-0.30
|
0.35-0.65
|
≤0.035
|
≤0.035
|
|
|
22g
|
≤0.26
|
0.17-0.37
|
0.60-0.90
|
≤0.035
|
≤0.035
|
|
|
12Mng
|
≤0.16
|
0.20-0.60
|
1.10-1.50
|
≤0.035
|
≤0.035
|
|
|
16Mng
|
0.12-0.20
|
0.20-0.60
|
1.20-1.60
|
≤0.035
|
≤0.035
|
|
|
15MnVg
|
0.10-0.18
|
0.20-0.60
|
1.20-1.60
|
≤0.035
|
≤0.035
|
V 0.04-0.12
|
≤0.03
|
14MnMoVg
|
0.10-0.18
|
0.20-0.50
|
1.20-1.60
|
≤0.035
|
≤0.035
|
V 0.05-0.15
|
Mo0.40-0.65
|
18MnMoNbg
|
0.17-0.23
|
0.17-0.37
|
1.35-1.65
|
≤0.035
|
≤0.035
|
Nb 0.025-0.050
|
Mo0.40-0.65
|
压力容器碳素用钢和低合金 GB 6654 |
牌号
|
化 学 成 份 %
|
||||||||
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Ni
|
Mo
|
Cu
|
|
20R |
≤0.22 | 0.15-0.30 | 0.35-0.80 | ≤0.035 | ≤0.035 | ≤0.030 | ≤0.030 | ≤0.030 | |
16MnR | ≤0.20 | 0.20-0.60 | 1.20-1.60 | ≤0.035 | ≤0.035 | ≤0.030 | ≤0.030 | ≤0.030 | |
15MnVR | ≤0.18 | 0.20-0.60 | 1.20-1.60 | ≤0.035 | ≤0.035 | ≤0.030 | ≤0.030 | V 0.04-0.12 |
≤0.030 |
18MnMoNbR | ≤0.23 | 0.17-0.37 | 1.35-1.65 | ≤0.035 | ≤0.035 | ≤0.030 | ≤0.030 | Mo 0.45-0.65 Nb 0.025-0.050 |
≤0.030 |
无缝气瓶用钢GB12447 |
牌号
|
化 学 成 份 %
|
||||||||
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Ni
|
Mo
|
Cu
|
|
40Mn2 |
0.37-0.44 |
0.17-0.37 |
1.40-1.80 |
≤0.035 |
≤0.035 |
≤0.30 |
≤0.30 | ≤0.20 | |
40Mn2A | 0.37-0.44 | 0.17-0.37 |
1.40-1.80 | ≤0.025 | ≤0.025 | ≤0.30 | ≤0.30 | ≤0.20 | |
34Mn2V | 0.30-0.37 | 0.17-0.37 |
1.40-1.80 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.30 | V 0.07-0.12 Mo 0.15-0.25 |
≤0.20 |
30CrMo | 0.26-0.34 | 0.17-0.37 |
0.40-0.70 | ≤0.035 | ≤0.035 | 0.80-1.00 | ≤0.30 | ≤0.20 |
桥 梁 用 钢 YB(T)10 |
牌号
|
化 学 成 份 %
|
||||||||
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Ni
|
V
|
Cu
|
|
16Mn9 | 0.12-0.20 | 0.20-0.60 | 1.20-1.60 | ≤0.035 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.30 | |
15MnV9 | 0.10-0.18 | 0.20-0.60 | 1.20-1.60 | ≤0.035 | ≤0.035 | ≤0.035 | ≤0.30 | 0.04-0.12 | ≤0.30 |
轨 用 钢 GB/11264 |
牌号
|
化 学 成 份 %
|
|||||
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
|
50Q
|
0.35-0.60
|
0.15-0.35
|
≥0.40
|
≤0.045
|
≤0.050
|
≤0.40
|
55Q
|
0.50-0.60
|
0.15-0.35
|
0.60-0.90
|
≤0.045
|
≤0.050
|
≤0.40
|
汽 车 大 梁 用 钢 (太规) |
牌号
|
化 学 成 份 %
|
||||||
C
|
Si
|
Mn
|
P
|
S
|
Ti
|
Nb
|
|
10TiL |
≤0.14 |
0.10-0.30 |
0.50-0.90 |
≤0.035 |
≤0.035 |
0.07-0.20 | |
T420L | 0.07-0.11 | ≤0.30 | 0.70-0.90 | ≤0.020 | ≤0.010 | 0.006-0.012 | |
T440L | 0.07-0.11 | ≤0.30 | 0.80-1.00 | ≤0.020 | ≤0.010 | 0.008-0.015 | |
T510L | 0.08-0.12 | ≤0.30 | 1.20-1.40 | ≤0.020 | ≤0.010 | 0.010-0.020 |
汽 车 轴 管 用 钢 (太规) |
牌号
|
化 学 成 份 %
|
|||||
C
|
Si
|
Mn
|
P
|
S
|
Nb
|
|
440QZ
|
≤0.12
|
≤0.50
|
≤1.30
|
≤0.30
|
≤0.025
|
≤0.04
|
480QZ
|
0.09-0.14
|
≤0.20
|
0.90-1.20
|
≤0.20
|
≤0.015
|
≥0.005
|
焊 瓶 用 钢 (太规) |
牌号
|
化 学 成 份 %
|
||||||
C
|
Si
|
Mn
|
P
|
S
|
AL
|
V
|
|
HP295
|
0.13-0.18
|
≤0.10
|
0.70-1.00
|
≤0.025
|
≤0.020
|
≥0.015
|
|
HP325
|
0.16-0.20
|
≤0.10
|
1.20-1.50
|
≤0.020
|
≤0.018
|
≥0.015
|
|
HP345
|
0.12-0.18
|
0.10-0.30
|
0.80-1.40
|
≤0.030
|
≤0.030
|
ALS≥0.015
|
0.01-0.03
济钢标 |
集 装 箱 板 钢 (太规) |
牌号
|
化 学 成 份 %
|
|||||||
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Ni
|
Cu
|
|
SPA-H | 0.06-0.11 | 0.30-0.60 | 0.30-0.50 | 0.07-0.12 | ≤0.025 | 0.40-0.60 | 0.15-0.40 | 0.25-0.35 |
管 线 钢 (太规) |
牌号
|
化 学 成 份 %
|
|||||||
C Si
|
Si
|
Mn P
|
P
|
S
|
Ti
|
AL
|
NiCrCu
|
|
X42
|
0.06-0.12
|
0.15-0.30
|
0.90-1.25
|
≤0.030
|
≤0.030
|
≥0.02
|
≥0.02
|
|
X46
|
0.07-0.12
|
0.15-0.35
|
0.90-1.25
|
≤0.020
|
≤0.010
|
≥0.02
|
|
|
X52
|
0.08-0.12
|
0.20-0.35
|
1.10-1.35
|
≤0.020
|
≤0.010
|
≥0.02
|
|
≤0.10
|
X60
|
0.06-0.12
|
0.15-0.40
|
1.20-1.60
|
≤0.030
|
≤0.020
|
≥0.02
|
0.02-0.06
|
|
热 轧 带 钢 (太规) |
牌号
|
化 学 成 份 %
|
|||||
C
|
Si
|
Mn
|
P
|
S
|
AL
|
|
SPAC | ≤0.08 | ≤0.03 | 0.20-0.40 | ≤0.020 | ≤0.020 | ≤0.02 |
耐 侯 钢 (太规) |
牌号
|
化 学 成 份 %
|
|||||||
C
|
Si
|
Mn
|
P
|
S
|
Ti
|
Cu
|
Re
|
|
09CuPTiRe | ≤0.12 | 0.20-0.40 | 0.20-0.50 | 0.07-0.12 | ≤0.040 | ≤0.030 | 0.25-0.45 | 0.02-0.04 |
模 板 钢 (太规) |
牌号
|
化 学 成 份 %
|
|||||
C
|
Si
|
Mn
|
P
|
S
|
AL
|
|
TM400 | ≤0.15 | ≤0.10 | 0.30-0.50 | ≤0.030 | ≤0.025 | ≥0.015 |
复 合 基 板 钢 (太规) |
牌号
|
化 学 成 份 %
|
|||||||
C
|
Si
|
Mn
|
P
|
S
|
Ti
|
AL
|
V
|
|
Q345B | 0.12-0.20 | 0.20-0.55 | 1.20-1.60 | ≤0.040 | ≤0.040 | 0.02-0.20 | ||
Q345C | ≤0.20 | ≤0.55 | 1.00-1.60 | ≤0.035 | ≤0.035 | 0.02-0.20 | ≥0.015 | 0.02-0.15 |
连续铸钢方坯和矩形坯尺寸 及允许偏差YB2011-85 |
连续坯横截面的对角线长度 之差应符合下表YB2011-85 |
|
|
连续铸钢板坯的尺寸及其允许偏差YB2012-85 |
厚度
|
允许偏差
|
宽度 允
|
允许偏差
|
<150
|
±4.0
|
<1000
|
±10
|
150-200
|
±5.0
|
1000-1600
|
|
>180
|
±5.0
|
>1600
|
﹢15
﹣10 |
钢筋混凝土用热轧光圆钢筋用钢(GB13013-94) |
V
|
钢筋级别
|
强度代号
|
牌号
|
化学成分%
|
||||
C
|
Si
|
Mi
|
C
|
S
|
||||
不大于
|
||||||||
光圆
|
Ⅰ
|
R235
|
Q235
|
0.14~0.22
|
0.12~0.30
|
0.30~0.65
|
0.045
|
0.050
|
力学性能及工艺性能 |
表面形状
|
钢筋级别
|
强度等级代号
|
公称直径mm
|
屈服点
бsMPa |
抗拉强度
бbMPa |
伸长率
δs% |
冷弯
d-弯芯直径 a-钢筋公称直径 |
|
不大于
|
||||||||
光圆
|
Ⅰ
|
R235
|
8~20
|
235
|
370
|
25
|
180o
|
d=a
|
钢轨用鱼尾板钢 (YB(T)58-87) |
牌号
|
化学成份%
|
||||
C
|
Si
|
Mn
|
P
|
S
|
|
不大于
|
|||||
YW52
|
0.45~0.58
|
0.17~0.35
|
0.55~0.80
|
0.04
|
0.045
|
碳素结构钢 |
牌号
|
等级
|
化学成份%
|
脱氧方法
|
||||
C
|
Mn
|
Si
|
S
|
P
|
|||
不大于
|
|||||||
Q195
|
-
|
0.06~0.12
|
0.25~0.50
|
0.3
|
0.05
|
0.045
|
F.b.Z
|
Q215
|
A
|
0.09~0.15
|
0.25~00.55
|
0.3
|
0.05
|
0.045
|
F.b.Z
|
B
|
0.045
|
||||||
Q235
|
A
|
0.14~0.22
|
0.30~0.65
|
0.3
|
0.05
|
0.045
|
F.b.Z
|
B
|
0.12~0.20
|
0.30~0.70
|
0.045
|
||||
C
|
≤0.18
|
0.35~0.80
|
0.04
|
0.040
|
Z
|
||
D
|
≤0.17
|
0.035
|
0.035
|
TZ
|
|||
Q255 |
A
|
0.18~0.28
|
0.40~0.70
|
0.3
|
0.05
|
0.045
|
F.b.Z
|
B
|
0.045
|
||||||
Q275
|
-
|
0.28~00.38
|
0.50~0.80
|
0.35
|
0.05
|
0.045
|
b.Z
|