Shandong Churan Metal Materials Co., Ltd.

A283 Carbon Steel Plate

ASTM A283 is a standard specification for low and intermediate tensile strength carbon steel plates of structural quality for general application. It covers four grades (A, B, C, D) with incrementally higher minimum yield and tensile strength requirements. Q195 is a comparable Chinese standard (GB/T 700) grade, often supplied as an equivalent.
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Product Details

A283/Q195 Carbon Steel Plate Description

Product Overview
ASTM A283 is a standard specification for low and intermediate tensile strength carbon steel plates of structural quality for general application. It covers four grades (A, B, C, D) with incrementally higher minimum yield and tensile strength requirements. Q195 is a comparable Chinese standard (GB/T 700) grade, often supplied as an equivalent.

Key Features

Material Type: Low-carbon mild steel

Primary Characteristic: Good weldability, formability, and machinability

Common State: Typically supplied in the hot-rolled, as-rolled condition

Main Application: General structural components, building frames, platforms, truck parts, and machinery where high strength is not the primary requirement.


Product Parameters

Parameter

Specification

Product Name

ASTM A283 / Q195 Structural Steel Plate

Standard Grades

A283 Grade A, B, C, D / Q195 (GB)

Production Process

Hot Rolling (Primary)

Applicable Standards

ASTM A283, ASME SA283, GB/T 700, etc.

Thickness Range

3 mm – 150 mm (Common industrial range)

Width Range

1000 mm – 3000 mm

Length Range

1000 mm – 12000 mm (or Customized)

Delivery Condition

As-Rolled, Annealed

Surface Finish

Mill Scale , Pickled , Shot Blasted

 

Chemical Composition (ASTM A283, %)

Grade

C max.

Mn max.

P max.

S max.

Si (for thickness ≤ 1/2 in.)

Si (for thickness > 1/2 in.)

Cu min. (when specified)

A

0.14

0.90

0.035

0.04

0.40

0.15-0.40

0.20

B

0.17

0.90

0.035

0.04

0.40

0.15-0.40

0.20

C

0.24

0.90

0.035

0.04

0.40

0.15-0.40

0.20

D

0.27

0.90

0.035

0.04

0.40

0.15-0.40

0.20

 

echanical Properties (ASTM A283)

Grade

Tensile Strength

Yield Strength (min.)

Elongation (min. %)*

 

 

psi

MPa

psi

MPa

in 8 in.

in 2 in.

A

45,000 - 60,000

310 - 415

24,000

165

27

30

B

50,000 - 65,000

345 - 450

27,000

185

25

28

C

55,000 - 75,000

380 - 515

30,000

205

22

25

D

60,000 - 80,000

415 - 550

33,000

230

20

23

 

Physical Properties

Property

Metric

Imperial

Density

7.85 g/cm³

0.284 lb/in³

Modulus of Elasticity

~200 GPa

~29,000 ksi

 

Scope of Application

ASTM A283 steel plate is a kind of low carbon steel with high strength and good formability. It is easy to process and manufacture, and can be safely welded by various welding methods. ASTM A283 steel plate is a structural carbon steel plate used for low or medium tensile strength applications. ASTM A283 steel plate is used in the manufacture of riveted, bolted and welded structures for storage tanks and cryogenic control vessels, bridges and buildings, including prefabricated buildings, warehouses and industrial commercial structures.

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Our company has passed ISO9001 quality management system certification, Our Mill product with CE/EN10204 / ASTM/Classification society certificate/CASO/BIS etc certificate.All the customers give good appreciation to our products.We are glad to be your good partner.

 

 

Application Areas

Steel is widely used in steel structure workshops, bridge frames, main structures of high-rise buildings, and infrastructure construction (such as highways, oil and gas pipelines). Its high strength properties ensure load-bearing stability and seismic performance. In ship manufacturing, steel is used to build hull structures, decks, and internal components. Hot-rolled coils rely on their load-bearing capacity to adapt to harsh environments. ‌

 

 

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Company Mission Focused on the supply and custom processing of metal materials, we leverage reliable sourcing, consistent quality, and efficient service to help clients reduce costs and enhance efficiency, create opportunities for our employees, and empower the development of the industry as a whole.

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Rooted in the Qilu region, reaching across the nation, and expanding globally, we aspire to become a comprehensive supply chain service provider within the metal materials industry—distinguished by high quality and an impeccable reputation—and to build a respected, sustainable industrial brand destined to endure for a century.

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With a commitment to excellence, innovation, and sustainability, the company has established itself as a trusted partner in the international steel industry.After nearly two decades of relentless endeavour, our client base now spans over 110 countries and regions across Europe, the Middle East, South America, and Southeast Asia.

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Focused on the supply and custom processing of metal materials, we leverage reliable sourcing, consistent quality, and efficient service to help clients reduce costs and enhance efficiency, create opportunities for our employees, and empower the development of the industry as a whole.

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