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API steel,API standard shipbuilding steel plate chemical composition
API standard Ocean structural plate Grade 2HGr42, 2HGr50, 2WGr50, 2WGr60, 2YGr50, 2YGr60
Product mane : Shipbuilding steel plate/sheet, the steel plate for shipbuilding, marine steel plates, Ocean structural steel plate ,Offshore steel, offshore engineering steel, steel plates for Ocean construction engineer.
Standard : API Spec 2H-2006, API Spec 2W-2006, API Spec 2Y-2006
Steel Grade : API 2HGr42, 2HGr50, 2WGr50, 2WGr60, 2YGr50, 2YGr60
Delivery condition: Normalized,Q&T, TMCP, Impact test. Z15, Z25, Z35
Dimension range : 3mm -120mm x 1000mm-4000mm x 1000mm-18000mm
MOQ: 1 PC
Delivery time : Promptly ( Stock) or 10-40 days (Production)
Stock : Available
MTC: Available
Payment Term : T/T or L/C At sight .
Specification :
Shipbuilding steel material in API standard is a kind of special material series. There are six steel grades : 2HGr42, 2HGr50, 2WGr50, 2WGr60, 2YGr50, 2YGr60. Among of them, API 2H Grade 42 and API 2H Grade 50 is Normalized rolling way, API 2WGrarde 50 and 2WGrade 60 are TMCP rolling way, API 2YGrade 50 and 2YGrade 60 delivery condition are Q&T
Ocean structural steel plate , steel plate for Ocean construction API 2HGr42, 2HGr50, 2WGr50, 2WGr60, 2YGr50, 2YGr60 chemical composition
|
Grade |
C max |
Si |
Mn |
P max |
S max |
Nb max |
Ti max |
Al |
N max |
Ni max |
Cr max |
Mo max |
Cu max |
B max |
|
0.18 |
0.05- 0.40 |
0.90-1.35 |
0.030 |
0.010 |
0.04 |
0.020 |
0.02- 0.06 |
0.012 |
|
|
|
|
|
|
|
0.18 |
0.05- 0.40 |
1.15-1.60 |
0.030 |
0.010 |
0.10- 0.04 |
0.020 |
0.02- 0.06 |
0.012 |
|
|
|
|
|
|
|
0.16 |
0.05- 0.50 |
1.15-1.60 |
0.030 |
0.010 |
0.015 |
|
0.015-0.055 |
0.012 |
0.75 |
0.25 |
0.08 |
0.35 |
0.0005 |
|
|
0.16 |
0.05- 0.50 |
1.15-1.60 |
0.030 |
0.010 |
0.015 |
|
0.015-0.055 |
0.012 |
1.0 |
0.25 |
0.15 |
0.35 |
0.0005 |
|
|
0.12 |
0.05- 0.50 |
1.15-1.60 |
0.030 |
0.010 |
0.03 |
0.003-0.20 |
0.015-0.055 |
0.012 |
0.75 |
0.25 |
0.08 |
0.35 |
0.0005 |
|
|
0.12 |
0.05- 0.50 |
1.15-1.60 |
0.030 |
0.010 |
0.03 |
0.003-0.20 |
0.015-0.055 |
0.012 |
1.0 |
0.25 |
0.15 |
0.35 |
0.0005 |
Ocean structural steel plate , steel plate for Ocean construction API 2HGr42, 2HGr50, 2WGr50, 2WGr60, 2YGr50, 2YGr60 Mechanical Property and delivery condition
|
Grade |
Rm (MPa) |
Re(MPa) min |
Delivery condition |
|
427-565 |
289 |
N |
|
|
483-620 |
345 |
N |
|
|
400-520 |
235 |
TMCP |
|
|
400-520 |
235 |
TMCP |
|
|
448 min |
345-517 |
Q & T |
|
|
517 min |
414-621 |
Q & T |
Ocean structural steel plate , steel plate for Ocean construction API 2HGr42, 2HGr50, 2WGr50, 2WGr60, 2YGr50, 2YGr60 Carbon equivalent
|
Grade |
Thickness of plates |
EC max |
|
≤63.5mm/2.5 in |
0.43 |
|
|
＞63.5/2.5 in |
0.45 |
|
|
≤50.8mm/2 in |
0.43 |
|
|
＞50.8/2 in |
0.45 |
|
|
≤40mm/1.5 in |
0.39 |
|
|
＞40mm/1.5 in-90mm/3.5in |
0.41 |
|
|
＞90mm/3.5in-150mm/4 in |
0.43 |
|
|
≤40mm/1.5 in |
0.42 |
|
|
＞40mm/1.5 in-100mm/4in |
0.45 |
|
|
≤40mm/1.5 in |
0.39 |
|
|
＞40mm/1.5 in-90mm/3.5in |
0.41 |
|
|
＞90mm/3.5in-150mm/4 in |
0.43 |
|
|
≤40mm/1.5 in |
0.42 |
|
|
＞40mm/1.5 in-100mm/4in |
0.45 |
Ocean structural steel plate , steel plate for Ocean construction API 2HGr42, 2HGr50, 2WGr50, 2WGr60, 2YGr50, 2YGr60 impact test and energy
|
Grade |
Items |
Sample Size in. |
Sample Size mm |
Min Energy ft-lb(J) |
Unit Min Energy ft-lb(J) |
Test temperature °F(°C） |
|
2HGr42 |
A |
0.394*0.394 |
10*10 |
25(34) |
20(27) |
-40(-40) |
|
B |
0.295*0.394 |
7.5*10 |
25(34) |
20(27) |
40(-40) |
|
|
C |
0.197*0.394 |
5.0*10 |
25(34) |
20(27) |
40(-40) |
|
|
D |
0.295*0.394 |
7.5*10 |
19(26) |
15(20) |
50(-46) |
|
|
E |
0.197*0.394 |
5.0*10 |
13(18) |
10(14) |
80(-62) |
|
|
2HGr50 |
A |
0.394*0.394 |
10*10 |
30(41) |
25(34) |
-40(-40) |
|
B |
0.295*0.394 |
7.5*10 |
30(41) |
25(34) |
40(-40) |
|
|
C |
0.197*0.394 |
5.0*10 |
30(41) |
25(34) |
40(-40) |
|
|
D |
0.295*0.394 |
7.5*10 |
23(31) |
19(26) |
50(-46) |
|
|
E |
0.197*0.394 |
5.0*10 |
15(20) |
13(18) |
80(-62) |
|
|
2WGr50 and 2YGr50 |
A |
0.394*0.394 |
10*10 |
30(41) |
25(34) |
-40(-40) |
|
B |
0.295*0.394 |
7.5*10 |
30(41) |
25(34) |
40(-40) |
|
|
C |
0.197*0.394 |
5.0*10 |
30(41) |
25(34) |
40(-40) |
|
|
D |
0.295*0.394 |
7.5*10 |
23(31) |
19(26) |
50(-46) |
|
|
E |
0.197*0.394 |
5.0*10 |
15(20) |
13(18) |
80(-62) |
|
|
2WGr60 and 2YGr60 |
A |
0.394*0.394 |
10*10 |
35(48) |
30(41) |
-40(-40) |
|
B |
0.295*0.394 |
7.5*10 |
35(48) |
30(41) |
40(-40) |
|
|
C |
0.197*0.394 |
5.0*10 |
35(48) |
30(41) |
40(-40) |
|
|
D |
0.295*0.394 |
7.5*10 |
26(35) |
23(31) |
50(-46) |
|
|
E |
0.197*0.394 |
5.0*10 |
18(24) |
15(20) |
80(-62) |
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