Ship plate steel and ocean engineering steel plate 船板及海洋工程用钢板
规格、牌号及交货状态 Size, grade and delivery condition :
执行标准Standard |
牌号Grade |
产品规格Size(mm) |
状态Condition |
船级社规范及GB712 Classfication society rule |
A、B、D、E、A32、A36、D32、D36、E32、E36 |
6~80×1600~3250 |
AR、CR、TMCP、N |
(以上钢种含Z向) |
船级社规范及GB712Classfication society rule |
A40、D40、E40、F32、F36、F40 |
6~40×1600~3250 |
TMCP |
船级社规范及GB712 Classfication society rule |
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 |
成分Chemical composition Wt%:
⑴、一般强度钢的化学成分(熔炼成分)General strength steel :
等级Class |
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)High strength steel :
等级Class |
C |
Si |
Mn |
S |
P |
Al |
A32 A36 A40 D32 D36 D40 E32 E36 E40 |
≤0.18 |
≤0.50. |
0.90~1.60 |
≤0.035 |
≤0.035 |
≥0.015 |
F32 F36 F40 |
≤0.16 |
≤0.50 |
0.90~1.60 |
≤0.025 |
≤0.025 |
≥0.015 |
Nb |
V |
Ti |
Cu |
Cr |
Ni |
Mo |
N |
0.02~0.05 |
0.05~0.10 |
≤0.02 |
≤0.35 |
≤0.20 |
≤0.40 |
≤0.08 |
|
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)Super strength steel:
等级class |
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Class |
C |
Si |
Mn |
S |
P |
Al |
Nb |
API 2W-50、API 2W-60 |
≤0.16 |
0.05~0.50 |
1.15~1.60 |
≤0.010 |
≤ 0.030 |
≥0.015 |
≤0.03 |
API 2H-42 |
≤0.18 |
0.05~0.40 |
0.90~1.35 |
≤0.010 |
≤ 0.030 |
≥0.015 |
≤0.04 |
API 2W-50 |
≤0.18 |
0.05~0.40 |
1.15~1.60 |
≤0.010 |
≤ 0.030 |
≥0.015 |
≤0.04 |
API 2Y-50、API 2Y-60 |
≤0.12 |
0.05~0.50 |
1.15~1.60 |
≤0.010 |
≤ 0.030 |
≥0.015 |
≤0.03 |
机械性能 Mechanical properties :
⑴、一般强度钢和高强度钢力学性能 General strength and high strength steel :
等级Class |
上屈服Yield ReH/MPa |
抗拉强度Tensile |
断后伸长率Elongation A |
试验温度Tempertaure℃ |
冲击功Impact Akv,J |
厚度,Thickness mm |
Rm/ MPa |
% |
≤50 |
>50~70 |
>70~100 |
纵向 L |
横向 T |
纵向L |
横向T |
纵向L |
横向T |
A |
≥235 |
400~520 |
≥22 |
20 |
— |
— |
≥34 |
≥24 |
≥41 |
≥27 |
B |
0 |
≥27 |
≥20 |
D |
-20 |
E |
-40 |
A32 |
≥315 |
440~570 |
0 |
≥31 |
≥22 |
≥38 |
≥26 |
≥46 |
≥31 |
D32 |
-20 |
E32 |
-40 |
F32 |
-60 |
— |
A36 |
≥355 |
490~630 |
≥21 |
0 |
≥34 |
≥24 |
≥41 |
≥27 |
≥50 |
≥34 |
D36 |
-20 |
E36 |
-40 |
F36 |
-60 |
— |
A40 |
≥390 |
510~660 |
≥20 |
0 |
≥41 |
≥27 |
D40 |
-20 |
E40 |
-40 |
F40 |
-60 |
⑵、超高强度钢力学性能 Super strength steel :
等级Class |
上屈服Yield ReH/MPa |
抗拉强度Tensile |
延长率Elongation |
试验温度Temperature /℃ |
冲击功Impact Akv,J |
Rm/ MPa |
A/% |
纵向 L |
横向 T |
AH-FH420 |
≥420 |
530-680 |
≥18 |
0至-60 |
≥42 |
≥28 |
AH-FH460 |
≥460 |
570-720 |
≥17 |
0至-60 |
≥46 |
≥31 |
AH-FH500 |
≥500 |
610-770 |
≥16 |
0至-60 |
≥50 |
≥33 |
AH-FH550 |
≥550 |
670-830 |
≥16 |
0至-60 |
≥55 |
≥37 |
AH-FH620 |
≥620 |
720-890 |
≥15 |
0至-60 |
≥62 |
≥41 |
AH-FH690 |
≥690 |
770-940 |
≥14 |
0至-60 |
≥69 |
≥46 |
冲击试验温度Impact test temperature:A:0℃, D:-20℃, E:-40℃, F:-60℃
⑶、API 2W/2Y力学性能
钢级Class |
拉伸试验Tensile |
V型冲击试验 Impact |
下屈服强度Yield |
抗拉强度Tensile |
断后伸长率Elongation |
温度Temperature,℃ |
冲击能量KV2,J |
横向≧ |
ReL,MPa |
Rm,MPa |
A,% |
|
≤25mm |
>25mm |
|
50 mm |
200mm |
|
50 |
345-517 |
345-483 |
≥448 |
≥23 |
≥18 |
-40 |
41(单个值≥34J) |
60 |
414-621 |
414-586 |
≥517 |
≥22 |
≥16 |
-40 |
48(单个值≧41J) |
⑷、API 2H力学性能
钢级class |
拉伸试验Tensile |
V型冲击试验Impact |
下屈服强度Yield |
抗拉强度Tensile |
断后伸长率elongation |
温度Temperature ℃ |
冲击能量KV2,J |
ReL,MPa |
Rm,MPa |
A,% |
横向≧ |
≤25mm |
>25mm |
|
50 mm |
200mm |
|
42 |
≥289 |
≥289 |
427-565 |
≥22 |
≥18 |
-40 |
34(单个值≧27J) |
50 |
≥345 |
≥324 |
483-620 |
≥21 |
≥16 |
-40 |
41(单个值≧34J) |