A387 Pressure Vessel Carbon Steel Coil

A387 pressure vessel steel coil is made of chrome-molybdenum alloy steel that is suitable for welding boilers and high temperature pressure vessels.

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Carbon Steel Coil

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Carbon Steel Coil

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Product Introduction

A387 pressure vessel steel coil covers the grades of grade 5, grade 9, grade 11, grade 12, grade 22, grade 91 and other grades in accordance with the alloy elements contained. Except for grades 21L, 22L, 91 and 911, each grade of ASTM A387 boiler vessel coil has two tensile strength categories according to its heat treatment: Class 1 and Class 2. A387 is a chromium-molybdenum alloy steel for pressure vessels. It has outstanding high-temperature strength, oxidation resistance and sulfide corrosion resistance. The working environment of this material is usually harsh, and the working medium can be reaction products such as hydrogen, hydrogen sulfide, wax oil, gasoline, diesel, and thermal synthesis gas, as well as raw oil.

Product Name	Carbon Steel Coil
Thickness	0.1mm-16mm
Width	12.7mm-1500mm
Coil inner	508mm/610mm
Surface	Black skin, Pickling, Oiling,etc
Material	S235JR,S275JR,S355JR,A36,SS400,Q235,Q355,ST37, ST52,SPCC,SPHC,SPHT,DC01,DC03,etc
Standard	GB,GOST,ASTM,AISI,JIS,BS,DIN,EN
Technology	Hot rolling, Cold rolling, Pickling
Minimum Order Quantity	25Tons

Chemical Composition

A387	UNS	C	Mn	P	S	Si	Cr	Mo
Level 5	S50200	≤ 0.15	0.25-0.66	0.025	0.025	≤ 0.55	3.90-6.10	0.40-0.70
Level 9	K90941	≤ 0.15	0.25-0.66	0.025	0.025	≤ 1.05	7.90-10.10	0.85-1.15
Level 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
Level 12	K11757	0.04-0.17	0.35-0.73	0.025	0.025	0.13-0.45	0.74-1.21	0.40-0.65
Level 22	K21590	0.04-0.15	0.25-0.66	0.025	0.025	≤ 0.50	1.88-2.62	0.85-1.15
Class 22L	K21590	≤ 0.12	0.25-0.66	0.025	0.025	≤ 0.50	1.88-2.62	0.85-1.15
Class 91	K90901	0.06-0.15	0.25-0.66	0.025	0.012	0.18-0.56	7.90-9.60	0.80-1.10

Mechanical Properties

A387	Category	Tensile Strength Mpa	Yield Strength Mpa	Elongation Gauge Length 2in. [50mm] %
Level 5	Section Category 1	415-585	205	18
Level 5	Section Category 2	515-690	310	18
Level 9	Section Category 1	415-585	205	18
Level 9	Section Category 2	515-690	310	18
Level 11	Section Category 1	415-585	240	22
Level 11	Section Category 2	485-620	310	22
Level 12	Section Category 1	380-550	230	22
Level 12	Section Category 2	450-585	275	22
Level 22	Section Category 1	415-585	205	18
Level 22	Section Category 2	515-690	310	18

Physical Performance

Physical Performance	Metric	Imperial
Density	7.7-8.03 g/cm3	7.7-8.03 g/cm3

Scope of Application

The molybdenum composition in ASTM A387 boiler vessel plate can improve its tensile strength at high temperature, and make it have higher oxidation and corrosion resistance by increasing the lattice strain. ASTM A387 Boiler Container Plates are ideal for use in heat-resistant pressure vessels and sour gas environments.

Equivalent Material

American Standard ASTM	European Standard ASME	German Standard EN 10028	English standard DIN	Legal standard BS	Russian standard AFNOR 36206
A387 5	SA387 5	X12CrMo5	-	-	-
A387 9	SA387 9	-	-	-	-
A387 11	SA387 11	13CrMoSi5-5	-	621B	-
A387 12	SA387 12	13CrMo4-5	13CrMo44	620B	15CD2.05
A387 22	SA387 22	10/11CrMo9-10	10CrMo9-10	622-515B	12CD9-10
A387 91	SA387 91	10CrMoVNb9-1	-	--	-

For the steel industry, customers care not only about quality control, on-time delivery and providing favorable prices, but also about adding value through the services we provide. We work with customers to continuously improve steel quality.

Bao Steel (Qingdao) Co., Ltd.

Bao Steel (Qingdao) Co., Ltd. is a large-scale enterprise group focusing on steel production and raw material import and export trade, integrating trade, industry, logistics and services, covering an area of 60,000 m². After years of development, the business scope has expanded to the Middle East, Latin America, Australia, South Korea, Europe, Russia and even Africa. It has established a broad product sales and raw material procurement network at home and abroad, and sincerely provides customers with professional and thoughtful services. After development, the company already has a group of high-quality employees with professional knowledge and experience in production, trade, shipping, modern logistics and other fields. We will make full use of modern management and information technology to cultivate our unique core capabilities and provide high-quality, reliable value-added services and strong support to all sectors of society.

Honor

The company has passed ISO9001 international quality management system certification and CE certification, and obtained provincial enterprise letters of credit, enterprise credit certificates, etc.

Carbon Steel Coil

FAQ

What is your MOQ?

Usually our MOQ is one container, but it is different for some items, please contact us for details.

What is your terms of payment?

We usually accept T/T in advance, L/C for large sum.If you prefer other payments terms, please discuss.

What is your delivery time?

For products in stock, we can ship it within 7 days after receiving the deposit. For custom order, production time is 15-30 workdays after received the deposit.

How could you guarantee your products?

Mill Test Certification is supplied with shipment, We also accept and support the third-party inspection.We also could issue the warranty to customer to guarantee the quality.

Will all costs be clear?

Our quotation is easy to understand and will not incur any additional costs.

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