SA387 GR.12 CL1 Alloy Pressure Vessel steel plate

A387 Grade 12 CL 1 are under steel specification standard ASTM A387/A387M for pressure vessel steel plates, alloy steel with Chromium-Molybdenum

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Boiler Pressure Vessel Steel

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SA387 GR.12 CL1 Alloy Pressure Vessel steel plate Descriptions:

A387Gr12CL1 pressure vessel steel plate owned minimum yield strength at 275 Mpa,and tensile strength within 450-585 Mpa. Pressure vessel steel plate SA387 Grade 12 CL 1 is in American standard ASME SA 387/SA 387M.Boiler steel plate A387 Grade 12 Cl 1 are according to ASTM A387/A387M. These steel materials also shall conform to steel specification A 20/A 20M. These requirements outline the testing and retesting methods and procedures,permissible variations in dimensions and weight,quality and repair of defects,marking,loading,etc.

Chemical Composition and Mechanical Properties:

SA387 Gr.12 CL.1 Chemical Composition
Grade	The Element Max (%)
Grade	C	Si	Mn	P	S	Cr	Mo
SA387 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

Grade	SA387 Gr.12 CL.1 Mechanical Property
Grade	Thickness	Yield	Tensile	Elongation
SA387 Gr.12 Cl.1	mm	Min Mpa	Mpa	Min %
	t≦50	230	380-550	22
	50<t≦200	-	-	18

Refered Standards for ASME SA387 Alloy Steel Plate

ASTM

SA20/A20M: General requirements for pressure vessel plates.
SA370: Test specification for mechanical properties of steel
SA435/A435M: For straight-beam ultrasonic examination of steel plates
SA577/A577M: For ultrasonic angle beam examination of steel plates
SA578/A578M: For straight beam UT examination of rolled steel plates in special applications
SA1017/A1017M: Specification for pressure vessle plates of alloy steel, chromium-molybdenum-tungsten

AWS Specification

A5.5/A5.5M: Low alloy steel electrodes for shield metal arc welding.
A5.23/A5.23M: Low alloy steel electrodes for fulxes for submerged arc welding.
A5.28/A5.28M: For gas shielded arc welding
A5.29/A5.29M: For flux cored arc welding.

Heat Treatment for SA387 Chrom Moly Alloy Steel Plate

Chrome moly alloy steel plate under ASME SA387 shall be killed steel, with thermally treated either by annealing, normarlizing and tempering. Or in case agreed by buyer, accelerated cooling from the austenitizing temperature by air blasting or liquid quenching, followed by tempering, minimum tempering temperatures shall be as below table:

Grade	Temperature, °F [°C]
2, 12 and 11	1150 [620]
22, 22L, 21, 21L and 9	1250 [675]
5	1300 [705]

Factory profile

Adhering to the tenet of "integrity first, quality for survival", the company has established a complete marketing channel of "based in North China, radiating the whole country, and facing the world", and has not only established a solid strategic partnership with many domestic and foreign enterprises.We have been committed to product development, production and sales, after more than ten years of efforts, our products have been widely used in various fields.

Packing method: Packing according to customer's requirement.

The company has more than 110,000 square meters of production and processing base, fully introduced the international advanced modern automatic production and processing equipment, and took the lead in passing the ISO9001, TS16949, BV, SGS and other international well-known institutions certification.The products are mainly exported to Italy, Mexico, South Korea, Israel, Turkey, India, Pakistan, Kyrgyzstan, Oman, Kazakhstan, Vietnam, Myanmar and other countries. The company's supply is sufficient, the variety is complete, order production is fast, welcome domestic and foreign manufacturers, traders to contact us.

Company Advantages
1. We are a large-scale production enterprise integrating production, research and development, and can customize the products required by customers.
2. We have a perfect after-sales service system, which can track the problems encountered by customers in production at any time and provide corresponding technical support, so as to share our high-quality resources with customers.
3. After more than ten years of development, the company has complete product varieties and large inventory, which can be delivered in the shortest time.
4. Free samples are available.
5. With obvious price advantage, the company has complete production process, from raw materials to finished products integrated production can maximize the cost savings.