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[db:国别翻译] United Statescps Technologies Corporation
CPS 是全球领先的 AlSiC 热管理材料和电子封装设计及产品供应商，服务于微电子和电力电子行业。其应用……...
Chrome Molybdenum Steel - ASTM A387 Grade 91 Class 2
The high quality A387 Grade 91 Class 2 is produced at some of the finest steel mills in the world. This chrome–molybdenum alloy has excellent resistance to high working temperatures, which make it perfect for use in the chemical, power generation, oil and gas industry applications. Masteel supplies to fabricators who serve these industries on a global basis.
Masteel’s plates can be supplied either directly from the mill or from its own stockholding – all plates come with individual stampings and mill test certification. Third party testing can also be arranged at the customers request.
Chromium & Molybdenum content (according to the ASTM specification):
| Designation | Nominal Chromium Content (%) | Nominal Molybdenum Content (%) |
|---|---|---|
| A387 Grade 91 | 9.00% | 1.00% |
Tensile Requirements for Class 2 Plates
| Designation | Requirement | Grade 91 |
|---|---|---|
| A387 Grade 91 | Tensile strength, ksi [MPA] | 85 to 110 [585 to 760] |
| Yield strength, min, ksi [MPa]/(0.2% offset) | 60 [415] | |
| Elongation in 8 in. [200 mm], min % | ||
| Elongation in 2 in. [50 mm], min, % | 18 | |
| Reduction of area, min % |
Chemical Requirements
| . | . |
|---|---|
| Carbon (C) | % |
| Heat Analysis:Product Analysis: | 0.08 - 0.120.06 - 0.15 |
| Manganese (Mn) | % |
| Heat Analysis:Product Analysis: | 0.30 - 0.600.25 - 0.66 |
| Phosphorus (P) | % |
| Heat Analysis:Product Analysis: | 0.0200.025 |
| Sulphur (S) (Max) | % |
| Heat Analysis:Product Analysis: | 0.0100.012 |
| Silicon (Si) | % |
| Heat Analysis:Product Analysis: | 0.20 - 0.500.18 - 0.56 |
| Chromium (Cr) | % |
| Heat Analysis:Product Analysis: | 8.00 - 9.507.90 - 9.60 |
| Molybdenum (Mo) | % |
| Heat Analysis:Product Analysis: | 0.85 - 1.050.80 - 1.10 |
| Nickel (Ni) | % |
| Heat Analysis:Product Analysis: | 0.400.43 |
| Vanadium (Vn) | % |
| Heat Analysis:Product Analysis: | 0.18 - 0.250.16 - 0.27 |
| Columbium (Nb) | % |
| Heat Analysis:Product Analysis: | 0.06 - 0.100.05 - 0.11 |
| Nitrogen (N) | % |
| Heat Analysis:Product Analysis: | 0.030 - 0.0700.025 - 0.080 |
| Aluminium (Al) | % |
| Heat Analysis:Product Analysis: | 0.020.02 |
| Titanium (Ti) | % |
| Heat Analysis:Product Analysis: | 0.010.01 |
| Zirconium (Zr) | % |
| Heat Analysis:Product Analysis: | 0.010.01 |
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