A283 Carbon Steel Plate
Classification :
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.
PACKAGING AND DELIVERY
We specialize in stainless steel plate, coil, pipe, bar, and nickel-based alloys, exporting to the USA, Germany, India, and over 50 countries worldwide with a professional foreign trade team.

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APPLICATION FIELD
Chemical Storage
Automobile Manufacturing
Precision Equipment
Pipeline Transportation
Steel Structure
Highway
Aerospace
Ship Manufacturing
Offshore Platform
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