| Customization: | Available |
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| After-sales Service: | 3 Years |
| Warranty: | 10 Years |
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| Alloy Steel A387 Gr 11 Plate Specifications | ASTM A387 / ASME SA387 |
| ASME SA 387 gr. 11 Alloy Steel Plate Standard | ASTM, ASME and API |
| SA 387 gr. 11 Plate Grade |
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| A387 Plate Gr 11 Plate Rolling Type | Oil and offshore platform steel plate |
| Thickness of SA 387 Grade 11 Class 2 Plate | 4mm-300mm |
| SA 387 Gr 11 Cl 2 Plate Width | 1500mm-4200mm |
| SA 387 gr 11 Class 2 Boiler & Pressure Vessel Steel Plate Length | 3000mm-18000mm |
| Heat Treatment | Normalized / Drawing-back |
| Technique | Hot Rolled |
| Classification | Alloy quality steel |
| Hardness | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc. |
| ASME SA 387 Grade 11 Class 2 Sheet Form | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) |
| Finish | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
Chemical composition of A387 gr.11 boiler and pressure vessel steel plate:
| Grade | UNS | C | Mn | P | S | Si | Cr | Mo | Others |
| Grade 11 | K11789 | 0.04-0.17 | 0.35-0.73 | 0.025 | 0.025 | 0.44-0.86 | 0.94-1.56 | 0.40-0.70 | - |
Mechanical property of A387 gr.11 boiler and pressure vessel steel plate:
| Grade | Class | Tensile Strength | Yield Strength | Elongation in 2 inches |
| (Mpa) min. | (MPa) min. | (%) max. | ||
| ASTM A 387 Grade 11 | Class 1 | 415-585 | 240 | 22 |
| ASTM A 387 Grade 11 | Class 2 | 485-620 | 310 | 22 |
Features of A387 gr.11 boiler and pressure vessel steel plate:
The Molybdenum component in A387 gr.11 boiler and pressure vessel steel plate increases the plate tensile strength at high temperatures, and it also provides high resistance against oxidation and corrosion by increasing the lattice strain of the steel structure. That effectively stops the corrosive agents from dissolving the iron out of the steel structure.A387 gr.11 boiler and pressure vessel steel plate is good option for heat-resistant pressure vessels and sour gas environments.
Application of A387 gr.11 boiler and pressure vessel steel plate:
A387 gr.11 boiler and pressure vessel steel plate is popular used by power plant and dignity health medical foundation oil and gas industries in the production facilities because of the alloy's key properties.
Equivalent grades of A387 gr.11 boiler and pressure vessel steel plate:
| USA | USA | EUROPEAN | GERMANY |
UK (BRITISH STANDARD) |
FRANCE | RUSSIA | |
| STANDARDS | ASTM | ASME | EN 10028 | DIN | BS | AFNOR 36206 | GOST |
| GRADE | A387 11 | SA387 11 | 13CrMoSi5-5 | --- | 621B |
Tianjin Boer King Steel Co.,Ltd. is located in Shuang Gang industrial zone of Jinnan district ,Tianjin. Our company is 36km away from Tianjin port, 6km away from Tianjin airport and 40km away from Tianjin railway station.
A. Main products of our company: boiler and pressure vessel plates, low alloy plates, high strength plates, bridge plates, alloy plates, carbon steel, wear resistant plates, pipeline steel, nuclear steel, wind power and hydropower steel, ship plates, structural steel, mold steel, military steel, hydrogen steel and various special steels.
B. We can process and cut all kinds of abnormity parts according to your requirements, and transport them for customers, with short delivery time.
C. Additional requirements for flaw detection and Z-direction performance (Z15/Z25/Z35), hot rolling, controlled rolling, normalizing, annealing, normalizing + tempering, and tempering.
We have established quality management system according to ISO9001:2008 and carry out the total quality management. Now, We sell 160,000 tons steel pipes per year, including the steel pipes for the high, medium and low pressure boilers, shipping, transporting liquid products, the petroleum cracking process, the fertilizer facilities, the structure ,the hollow sucker rod , oil well casing and drill pipe, galvanized steel pipe and some stainless steel. Provide high quality products to in different industries customers .
In recent years, the company products are not only sold well in domestic market but also exported to different countries and areas in the world. Our products are very popular in the overseas market. A number of overseas well-known enterprises have established a long-term business relationship with us.
Warmly welcome customers home and abroad to visit our company and give us valuable suggestions. We would like to have long term cooperation with customers from all over the world on the basis of mutual prosperity and development.
Thank you!
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