API Spec 2H is the American standard for carbon-manganese steel plates for marine structures. This grade of steel plate has good wear resistance and corrosion resistance, so it is mostly used in the manufacture and use of some engineering projects such as offshore platforms and ship hulls.
API Spec 2H specification covers two grades of intermediate strength steel plates up to 4 in. thick for use in welded construction of offshore structures, in selected critical portions which must resist impact, plastic fatigue loading, and lamellar tearing.
API Spec 2H main steel grade: API Spec 2H Grade 42, Grade 50 (API 2H GR42, API 2H GR50) and so on.
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Standard: API SPEC 2H |
|
Thickness : 8mm-500mm |
| Delivery condition: AS REQUIREMENTS |
API Spec Grade 2HGr42 Offshore Platform Steel Plate Chemical Composition and Mechanical Property
|
Grade |
C % |
Mn % |
P % |
S% |
Si% |
Nb |
Ti |
Al |
N |
V |
|
2HGr42 |
0.18 |
0.90-1.35 |
0.030 |
0.010 |
0.05-0.40 |
≤ 0.04 |
≤0.02 |
0.02-0.06 |
0.012 |
d |
|
Grade |
Yield Strength,kis (Mpa) |
Tensile Strength,kis |
Elongation |
|
2HGr42 |
t≤2.5in 42(289) t≥2.5in 42(289) |
62-82(427-565) |
2in.(50mm) 22 |
API Spec Grade 2HGr50 Offshore Platform Steel Plate Chemical Composition and Mechanical Property
|
Grade |
C % |
Mn % |
P % |
S% |
Si% |
Nb |
Ti |
Al |
N |
V |
|
2HGr50 |
0.18 |
0.15-1.60 |
0.030 |
0.010 |
0.05-0.40 |
0.01-0.04 |
≤0.02 |
0.02-0.06 |
0.012 |
d |
|
Grade |
Yield Strength,kis (Mpa) |
Tensile Strength,kis |
Elongation |
|
2HGr50 |
t≤2.5in 50(345) t≥2.5in 47(324) |
70-90(483-620) |
2in.(50mm) 21 |
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