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A387 Pressure Vessel Carbon Steel Coils

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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ASTM A387

Product Description

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Product Description

The A387 pressure vessel steel coil offers a wide range of grades, including grade 5, grade 9, grade 11, grade 12, grade 22, grade 91, and others, each tailored to specific alloy elements. With the exception of grades 21L, 22L, 91, and 911, each grade of the ASTM A387 boiler vessel coil is classified into two tensile strength categories based on heat treatment: Class 1 and Class 2.

A387 is a chromium-molybdenum alloy steel designed for pressure vessels, renowned for its exceptional high-temperature strength, oxidation resistance, and sulfide corrosion resistance. This material thrives in harsh working environments, where the medium may consist of reaction products like hydrogen, hydrogen sulfide, wax oil, gasoline, diesel, thermal synthesis gas, and raw oil. Trust in the superior performance and durability of A387 pressure vessel steel coils for demanding industrial applications.

| Product Parameters

Product Name	ASTM A387 Carbon Steel Coils
Production Process	Cold Rolled & Hot Rolled
Material Standards	AISI,ASTM, ASME, DIN,BS, EN, ISO, JIS, GOST, SAE,etc.
Width	100mm-3000mm
Length	1m -2m or Custom Size
Thickness	Hot Rolled:2.75mm-100mm
Thickness	Cold Rolled:0.2mm-3mm
Delivery Conditions	Rolling,Annealing, Quenching,Tempered or Standard
Surface Process	Ordinary, Wire Drawing, Laminated Film

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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
Level 22L	K21590	≤0.12	0.25-0.66	0.025	0.025	≤0.50	1.88-2.62	0.85-1.15
Level 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

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Mechanical Properties

A387	Category	Tensile Strength kis[MPa]	Yield Strength kis[MPa]	Elongation （%）
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	210	18

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Product Description

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

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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 A387Boiler Container Plates are ideal for use in heat-resistant pressure vessels and sour gas environments.

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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	-	-	-

Product Advantage

Product Advantage

HIGH STRENGTH

Carbon steel coils offer excellent strength and durability, making them suitable for various industrial applications.
VERSATILITY

Carbon steel coils can be easily formed, welded, and machined, allowing for versatile usage in different industries.Carbon steel coils are cost-effective compared to other materials, providing a cost-efficient solution for manufacturing processes.
WIDE AVAILABILITY

Carbon steel coils are readily available in various grades and sizes, ensuring easy sourcing for different project requirements.

Application

Why choose us？

Why Choose Us

We are among the top 20 companies in the steel industry in terms of trade volume, offering customized processing and one-stop steel purchasing solutions. Our steel exports have consistently exceeded tens of billions for the past 5 years. With a comprehensive range of testing equipment including UT & ET, hydraulic testing equipment, spectrometer, scanning electron microscope, and SGS TUV certification, we ensure top-notch quality. Our Quality Assurance Policy sets high standards to deliver products and services that surpass customer expectations.

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FAQ

FAQs

Q1: Can you send samples?

A1: Of course, we can send samples to all over the world, our samples are free, but customers need to bear the courier cost.
Q2: What product information do I need to provide?

A2: You need to provide grade, width, thickness and the ton you need to buy.
Q3: What are the shipping ports?

A3: You can choose other ports according to your needs.
Q4: About the product price?

A4: Due to the cyclical changes in raw material prices, prices vary from period to period.
Q5: What certifications do your products have?

A5: We have ISO 9001, SGS, EWC and other certifications.
Q6: How long does your delivery time take?

A6: Generally, our delivery time is within 7-45 days.
Q7: Can I visit your factory?

A7: Of course, we welcome customers from all over the world to visit our factory.
Q8: Does the product have quality inspection before loading?

A8: Of course, all our products have undergone strict quality inspection before packing.
Q9: How to pack the product?

A9: The inner layer has a waterproof paper outer layer, iron packaging, and is fixed with a fumigated
wooden pallet. It can effectively protect products from corrosion during ocean transportation.
Q10: What are your working hours?

A100: Under normal circumstances, our online service hours are: 8:00-22:00. After 22:00, we will reply to
your inquiry on the next working day.