SA387 GR.12 CL2 Pressure Vessel Steel plate

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.

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Pressure Vessel Steel

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Product Description

SA387 GR.12 CL2 Pressure Vessel Steel plate Descriptions:

A387 Grade 12 CL 1,A387 Grade 12 CL 2 are under steel specification standard ASTM A387/A387M for pressure vessel steel plates,alloy steel with Chromium-Molybdenum.The equal steel plate SA387 Grade 12 CL 1 and SA387 Grade 12 CL 2 are under American steel stamdard SA 387/SA 387M.All these alloy steel plates intended primarily for welded boilers and pressure vessels&tanks.Rolling maximum thickness of plates is limited only by the capacity of the composition to meet the specified mechanical property requirements.
For pressure vessel steel plate SA387 Grade 12 CL 1,the tensile strength shall be within 380 to 550,minimum yield strength is 230 Mpa.For SA387 Grade 12 CL 2 pressure vessel steel plate,the tensile strength is at 450-585 Mpa and yield point shall be above 275 Mpa.Besides the five main elements, Cr-Mo is also in the chemical composition for these alloy steels.

Chemical Composition and Mechanical Properties:

SA387 Gr.12 CL.2 Chemical Composition
Grade	The Element Max (%)
Grade	C	Si	Mn	P	S	Cr	Mo
SA387 Gr.12 Cl.2	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.2 Mechanical Property
Grade	Thickness	Yield	Tensile	Elongation
SA387 Gr.12 Cl.2	mm	Min Mpa	Mpa	Min %
	t≦50	275	450-585	22
	50<t≦200	275	450-585	19

Refered Standards for ASME SA387 Alloy Steel Plate

ASME

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]

Product detail presentation

Warehouse inventory
The company's main products include stainless steel plates/coils/tubes and carbon steel plates/coils/tubes as well as galvanized steel plates, galvanized steel coils, tinplate, round bars, steel bars, roof panels, spring steel strips, PPGI, PPGL and other structural steel and pipe fittings , 72 kinds of steel products with more than 2,900 specifications and an inventory of more than 300,000 tons.

Packing & Delivery
The Carbon steel sheet will be packed in seaworthy packing such as steel strips bundles. If you have any special requests
on this, please let us know advanced. We will refer to your email kindly.

1).20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High)

2).40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High)

3).40ft HC:12032mm(Lengh)x2352mm(Width)x2698mm(High)

Customer Reviews

We have also established a professional international trade service team with sales networks all over the world. With many advantages, we cooperate with customers in North America, South America, Europe, Southeast Asia, the Middle East and Africa, and have established operations in Peru, the Philippines, Russia, Ukraine, Belarus, Uzbekistan, Pakistan, Indonesia, Malaysia, South Africa, Sri Lanka, Turkey, Vietnam, Laos, More than 30 countries including Brazil, Thailand, the Middle East, the United Arab Emirates, Morocco, Spain, the United States, New Zealand, and Iran. The customers we cooperate with have high praise for our products. At the same time, we also have a high-quality after-sales service system, so you can choose our team with confidence.

Warehouse Storage

The annual production capacity reaches 2 million tons and the annual revenue is more than 8.9 billion yuan. The company has a warehousing base of 40,000 square meters and maintains an inventory of about 250,000 tons all year round. Complete specifications, convenient and fast loading.

Packing and shipping

It is mainly used for quotations and shipments of domestic import and export trade. In addition, it is an agent for profiles, round steel, angle steel, hexagonal steel, square steel, flat steel and steel plates from major steel mills. It mainly serves the needs of import and export customers.

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As a leading steel pipe manufacturing enterprise in the province, it passed the ISO9001 international quality management system certification in 2019 and passed the American Petroleum Institute API audit certification. In 2019, it was rated as an "A-level tax-paying enterprise". In the same year, it won the Liaocheng Mayor's Quality Award and the honorary title of Shandong Famous Brand Product. It was also one of the top 100 steel trading enterprises in China.

Application field

Our company is a company integrating processing and trading. And we have strong supply capabilities. Our main products include stainless steel, galvanized steel, carbon steel, etc., including steel coils, steel plates, steel pipes, various profile steels, etc., as well as copper, aluminum, titanium and other metal materials. Suitable for construction industry, metallurgical industry, chemical industry, electric power industry, aerospace industry, machinery manufacturing industry, shipbuilding industry, automobile manufacturing industry and other fields.

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Pressure Vessel Steel