A387 Gr.12 Cl.1 Steel Boiler Pressure Vessel Steel Plate Astm A387 Steel Steel Plates
SA387 GR 12 CLASS 1 / A387 GR 12 CLASS 1
Engineered for use in elevated temperature service, ASME SA387 Grade 12 is a chrome molybdenum carbon alloy steel for use in weldable pressure vessels and industrial boilers. Gnee steel stocks SA387 material in grades 11 and 22, both in the Normalized & Tempered condition. SA387 plate, also referred to as ‘Chrome-Moly’ plate, is used in critical pressure retaining applications with superior performance required in high-temperature environments.The material benefits from added chromium which provides excellent corrosion and oxidation resistance making it ideal for sour service applications in the oil and gas industry.
A387 Gr.12 CL.1 Steel Chemical Composition
| Grade | The Element Max (%) | ||||||
| C | Si | Mn | P | S | Cr | Mo | |
| A387 Gr.12 Cl.1 | 0.04-0.17 | 0.13-0.45 | 0.35-0.73 | 0.035 | 0.035 | 0.74-1.21 | 0.40-0.65 |
A387 Gr.12 CL.1 Steel Mechanical Property
| Grade | Thickness | Yield | Tensile | Elongation |
| A387 Gr.12 Cl.1 | mm | Min Mpa | Mpa | Min % |
| t≦50 | 230 | 380-550 | 22 | |
| 50<t≦200 | - | - | 18 |
| Pressure Vessel steel |
Q245R/Q345R Q370R A285 Gr A-C A515Gr.60-70 A516Gr.55-70 P235-P355GH 15CrMoR/12Cr2Mo1R 12Cr1MoVR/14Cr1MoR A387 Gr. A612 |
6-120mm | 900-2500 | 3000-12000 |
GB 713 GB 713 ASTM A285 ASTM A515 ASTM 516 EN 10028-2 GB 713 GB 713 ASTM A387 ASTM A612 |
| Alloy Structural Steel |
20Cr/40Cr 15CrMo/12Cr1MoV 30CrMo/35CrMo/42CrMo |
6-80mm | 900-2500 | 3000-12000 |
GB/T 3077 GB/T 3077 GB/T 3077 |
| Low Temperature Pressure Vessel Steel |
16MnDR/15MnNiR P355ML |
6-50mm | 900-2500 | 3000-12000 |
GB 3531 En 10028-3 |
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Q: How can I get a sample to check your metal work quality?
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A: After you pay the sample charges(if there is) and send us confirmed drawings, the sample will be ready for delivery in 5-7 working days. The samples will be sent to you via DHL, FedEx,UPS,TNT or EMS. It should arrive in 3-5 workdays. You can use your own express account or prepay us if you don't have any account.
Q: High Quality
A:All of our products have been checked seriously:
With Chemical Composition and Mechanical Properties Analysis; Hydrostatic Test, Dimensional and Visual Inspection, Also With Nondestructive Inspection
