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ASTM A283 Carbon Steel Plate
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ASTM A283 Carbon Steel Plate

ASTM A283 is a general purpose structural carbon steel plate, which has a low to medium tensile strength and is available in 2 steel grades (Grade C, Grade D). For steel plates made from coils or without heat treatment, an additional stress relief test is required, usually after the steel is coiled, and inspection, tempering and heat treatment are required before delivery.
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ASTM A283 Carbon Steel Plate Manufacturers and Suppliers

ASTM A283 Grade C plate is used for general purpose structural applications with moderate strength (60ksi tensile) requirements. Its workability is good compared to any mild steel.

ASTM A283 Grade C carbon steel plate can be welded by all conventional methods. Its heat treatment includes normalizing at 1650F and slow furnace cooling.

A 283 GR C pressure vessel plate can be thermally processed at 1650 - 1700 F or lower. It can be easily cold worked by conventional methods and can be annealed and slow furnace cooled at 1550 to 1800 F.

A283 steel material is an alloy of iron and is further classified as a carbon steel. Steel specifications for this mild steel plate cover four grades of structural quality for general applications. ASTM A283 Grade A, ASTM A283 Grade B, ASTM A283 Grade C, and ASTM A283 Grade D.

ASTM A283 Grade D boiler steel plate is a low and intermediate tensile strength hot rolled steel plate for general intermediate strength applications. It has a relatively higher strength than A283 GRC.

ASTM A283 Grade A structural steel plate is a low and intermediate tensile strength hot rolled steel used for general intermediate strength applications. It has the lowest strength and highest ductility compared to other grades of ASTM A283 steel.

ASTM A283 Grade B reinforced shall meet the requirements of the current a6/a6m specification. During processing, one or more of the following processes shall be used, such as electric, open hearth and alkaline oxygen.

ASTM A283C mild steel thick plate is a carbon steel with a low carbon content. It ranges from source to source; the carbon content in mild steel is typically 0.05% to 0.25% by weight.

ASTM A283 Carbon Steel Plate Description

Specifications ASTM A283 / ASME SA283
Thickness 6MM to 300MM,
Specialize Shim Sheet, Perforated Sheet, B. Q.  Profile.
Length 3000mm to 15000mm
Form Coils, Foils, Rolls, Plain Sheet, Shim  Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring  (Flange)
Finish Hot rolled plate (HR), Cold rolled  sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
Hardness Soft, Hard, Half Hard, Quarter Hard,  Spring Hard etc.
Grade MS A283 GR.C, (UNS K02401)

Carbon Steel Sheet 4

ASTM A283 Chemical Composition

ASTM A283 Chemical Elements(max) Heat Analysis, %
Grade C Grade   D
Carbon 0.24 0.27
Manganese 0.9 0.9
Phosphorus 0.03 0.3
Sulfur 0.03 0.03

Plates 11⁄2 in. [40 mm] and under, max 0.4 0.4
Plates over 11⁄2 in. [40 mm] 0.15-0.40 0.15-0.40
Copper 0.2 0.2

Mechanical Properties Comparision of ASTM A283

Mechanical Property comparion of ASTM A283
Steel Grade Tensile strength ,min Ksi Mpa Yield strength min Ksi Mpa Elongation   in 2 inches
(50 mm)% min.
ASTM A-36 / A-36 M 58-80   ( 400-550 ) 36   ( 250 ) 23
ASTM A-283 / A-283 M gr A 45-60   ( 310-415 ) 24   ( 165 ) 30
ASTM A-283 / A-283 M gr B 50-65   ( 345-450 ) 27   ( 215 ) 28
ASTM A-283 / A-283 M gr C 55-75   ( 380-515 ) 30   ( 205 ) 25
ASTM A-283 / A-283 M gr D 60-80   ( 415-550 ) 33   ( 230 ) 23

Types of ASTM A283 Grade A structural steel plates

Carbon Steel Plate (4)

ASTM A283 Grade C Plate

Carbon Steel Plate (5)

ASTM A283 Grade C Carbon Steel Plate

Carbon Steel Plate (1)

A 283 GR C Pressure Vessel Plates

Carbon Steel Plate (2)

ASTM A283C Mild Steel Heavy plate

Carbon Steel Plate (3)

ASTM A283 Grade D Plate

Carbon Steel Plate

ASTM A283 Grade C Plates

Carbon Steel Plate Production workshop

Carbon Steel Sheet 3


stainless steel Certificates (1)

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