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GET PRICEAPI 2Y Grade 50 is a hardened and tempered steel plate for marine structures. API 2Y Grade 50 has a maximum thickness of 6 in. (150mm). It has good strength, plasticity, toughness, fatigue resistance, corrosion resistance and welding performance. API 2Y Grade 50 steel plate widely used in offshore oil drilling platforms, shipbuilding and so on.
API 2Y Grade 50 Chemical composition (%):
| Element | Grade 50 |
| C max | 0.12 |
| Mn, | |
| ≤1.5 in.(40mm) | 1.15-1.60 |
| ＞1.5in(40mm) | 1.15-1.60 |
| P max | 0.03 |
| S max | 0.01 |
| Si | 0.05-0.50 |
| Ni max | 0.75 |
| Cr max | 0.25 |
| Mo max | 0.08 |
| Cu max | 0.35 |
| Ti | |
| N≤0.005 | 0.003-0.02 |
| N＞0.005 | 0.007-0.02 |
| Nb max | 0.03 |
| N max | 0.012 |
| B max | 0.0005 |
| Al | |
| Acid soluble aluminum | 0.015-0.055 |
| All aluminum | 0.02-0.06 |
API 2Y Grade 50 Mechanical property:
| Performance | Grade 50 |
| Yield Strength，ksi（Mpa) | |
| t≤1in.(25mm) | 50-75(345-517) |
| t＞1in.(25mm) | 50-70(345-483) |
| Tensile strength，ksi(Mpa),min | 65(448) |
| 2in.(50mm)Elongation，min，% | 23 |
| 8in.(50mm)Elongation，min，% | 18 |
Delivery condition of API 2Y Grade 50 Ships and marine engineering steel plate: AR, CR, NR, TMCP, N, T, N+T, Q+T
API 2Y Grade 50 Ships and marine engineering steel plate dimension (T*W*L) mm: 6-100*1600-4100*L
Shanghai Katalor Enterprises Co., Ltd.as a well-known steel producer and supplier in China, we are striving to innovate in the production of API 2Y Grade 50 steel plate with excellent team and comprehensive processing equipment. We are committed to producing fine, practical and outstanding steel products, in the process we create the best API 2Y Grade 50 steel plate. If necessary, pleas
