1、规格、牌号及交货状态
执行标准
牌号
产品规格(mm)
交货状态
船级社规范及GB712
A、B、D、E、A32、A36、D32、D36、E32、E36
(以上钢种含Z向)
6~80×1600~3250
AR、CR、TMCP、N
船级社规范及GB712
A40、D40、E40、F32、F36、F40
6~40×1600~3250
TMCP
船级社规范及GB712
A/D/E/F420(Z25、Z35)、A/D/E/F 460(Z25、Z35)、A/D/E/F 500(Z25、Z35)、A/D/E/F 550(Z25、Z35)
6~60×1600~3250
TMCP、QT
API 2W、API 2H、API 2Y
API 2W-50(Z)、 API 2W-60(Z)、API 2H-42(Z)、 API 2H-50(Z)、API 2Y-50(Z)、 API 2Y-60(Z)
6~80×1600~3250
TMCP、N、QT
2、成分Wt%
⑴、一般强度钢的化学成分(熔炼成分)
等级
C
Si
Mn
P
S
ALs
A
≤0.21
≤0.50
≥2.5C
≤0.035
≤0.035
—
B
≤0.21
≤0.35
0.80~1.20
≤0.035
≤0.035
—
D
≤0.21
≤0.35
0.60~1.20
≤0.035
≤0.035
≥0.015
E
≤0.18
≤0.35
0.70~1.20
≤0.035
≤0.035
≥0.015
⑵、高强度钢的化学成分(熔炼成分)
等级
C
Si
Mn
S
P
Al
Nb
V
Ti
Cu
Cr
Ni
Mo
N
A32 A36 A40 D32 D36 D40 E32 E36 E40
≤0.18
≤0.50.
0.90~1.60
≤0.035
≤0.035
≥0.015
0.02~0.05
0.05~0.10
≤0.02
≤0.35
≤0.20
≤0.40
≤0.08
F32 F36 F40
≤0.16
≤0.50
0.90~1.60
≤0.025
≤0.025
≥0.015
0.02~0.05
0.05~0.10
≤0.02
≤0.35
≤0.20
≤0.8
≤0.08
≤0.009(如含Al时,≤0.012)
⑶、超高强度钢的化学成分(熔炼成分)
等级
C
Si
Mn
P
S
N
AH420-690
≤0.21
≤0.55
≤1.70
≤0.030
≤0.030
≤0.020
DH420-690
≤0.20
≤0.55
≤1.70
≤0.025
≤0.025
EH420-690
≤0.20
≤0.55
≤1.70
≤0.025
≤0.025
FH420-690
≤0.18
≤0.55
≤1.60
≤0.020
≤0.020
⑷、API 2W/2H/2Y化学成分(熔炼成分)
等级
C
Si
Mn
S
P
Al
Nb
Ti
Cu
Cr
Ni
Mo
API 2W-50、API 2W-60
≤0.16
0.05~0.50
1.15~1.60
≤0.010
≤ 0.030
≥0.015
≤0.03
≤0.02
≤0.35
≤0.25
≤0.75
≤0.08
API 2H-42
≤0.18
0.05~0.40
0.90~1.35
≤0.010
≤ 0.030
≥0.015
≤0.04
≤0.02
≤0.35
≤0.25
≤0.75
≤0.08
API 2W-50
≤0.18
0.05~0.40
1.15~1.60
≤0.010
≤ 0.030
≥0.015
≤0.04
≤0.02
≤0.35
≤0.25
≤0.75
≤0.08
API 2Y-50、API 2Y-60
≤0.12
0.05~0.50
1.15~1.60
≤0.010
≤ 0.030
≥0.015
≤0.03
≤0.02
≤0.35
≤0.25
≤0.75
≤0.08
舞钢海洋平台用钢:AH32 DH32 AH36 DH36 EH32 EH36 AH40 DH40 E420 1、规格、牌号及交货状态
执行标准
牌号
产品规格(mm)
交货状态
船级社规范及GB712
A、B、D、E、A32、A36、D32、D36、E32、E36
(以上钢种含Z向)
6~80×1600~3250
AR、CR、TMCP、N
船级社规范及GB712
A40、D40、E40、F32、F36、F40
6~40×1600~3250
TMCP
船级社规范及GB712
A/D/E/F420(Z25、Z35)、A/D/E/F 460(Z25、Z35)、A/D/E/F 500(Z25、Z35)、A/D/E/F 550(Z25、Z35)
6~60×1600~3250
TMCP、QT
API 2W、API 2H、API 2Y
API 2W-50(Z)、 API 2W-60(Z)、API 2H-42(Z)、 API 2H-50(Z)、API 2Y-50(Z)、 API 2Y-60(Z)
6~80×1600~3250
TMCP、N、QT
2、成分Wt%
⑴、一般强度钢的化学成分(熔炼成分)
等级
C
Si
Mn
P
S
ALs
A
≤0.21
≤0.50
≥2.5C
≤0.035
≤0.035
—
B
≤0.21
≤0.35
0.80~1.20
≤0.035
≤0.035
—
D
≤0.21
≤0.35
0.60~1.20
≤0.035
≤0.035
≥0.015
E
≤0.18
≤0.35
0.70~1.20
≤0.035
≤0.035
≥0.015
⑵、高强度钢的化学成分(熔炼成分)
等级
C
Si
Mn
S
P
Al
Nb
V
Ti
Cu
Cr
Ni
Mo
N
A32 A36 A40 D32 D36 D40 E32 E36 E40
≤0.18
≤0.50.
0.90~1.60
≤0.035
≤0.035
≥0.015
0.02~0.05
0.05~0.10
≤0.02
≤0.35
≤0.20
≤0.40
≤0.08
F32 F36 F40
≤0.16
≤0.50
0.90~1.60
≤0.025
≤0.025
≥0.015
0.02~0.05
0.05~0.10
≤0.02
≤0.35
≤0.20
≤0.8
≤0.08
≤0.009(如含Al时,≤0.012)
⑶、超高强度钢的化学成分(熔炼成分)
等级
C
Si
Mn
P
S
N
AH420-690
≤0.21
≤0.55
≤1.70
≤0.030
≤0.030
≤0.020
DH420-690
≤0.20
≤0.55
≤1.70
≤0.025
≤0.025
EH420-690
≤0.20
≤0.55
≤1.70
≤0.025
≤0.025
FH420-690
≤0.18
≤0.55
≤1.60
≤0.020
≤0.020
⑷、API 2W/2H/2Y化学成分(熔炼成分)
等级
C
Si
Mn
S
P
Al
Nb
Ti
Cu
Cr
Ni
Mo
API 2W-50、API 2W-60
≤0.16
0.05~0.50
1.15~1.60
≤0.010
≤ 0.030
≥0.015
≤0.03
≤0.02
≤0.35
≤0.25
≤0.75
≤0.08
API 2H-42
≤0.18
0.05~0.40
0.90~1.35
≤0.010
≤ 0.030
≥0.015
≤0.04
≤0.02
≤0.35
≤0.25
≤0.75
≤0.08
API 2W-50
≤0.18
0.05~0.40
1.15~1.60
≤0.010
≤ 0.030
≥0.015
≤0.04
≤0.02
≤0.35
≤0.25
≤0.75
≤0.08
API 2Y-50、API 2Y-60
≤0.12
0.05~0.50
1.15~1.60
≤0.010
≤ 0.030
≥0.015
≤0.03
≤0.02
≤0.35
≤0.25
≤0.75
≤0.08
舞钢海洋平台用钢:AH32 DH32 AH36 DH36 EH32 EH36 AH40 DH40 E420 E690 E550 A36 D36