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ASME SA 283 is a specification for low and intermediate tensile strength carbon steel plates used in general structural applications and moderate-pressure vessels.
It covers grades A, B, C, and D, with SA 283 GR C being the most common due to its balanced strength and weldability. As a leading Chinese manufacturer and exporter, Gangsteel produces high-quality plates under asme sa 283/sa 283m, ensuring compliance with ASME standards for global projects in construction, fabrication, and engineering.
ASME SA 283 material is the ASME-adopted version of ASTM A283, specifying carbon steel plates for low to moderate tensile strength requirements. It is suitable for welded structures where good formability and impact resistance are needed, but not for high-pressure or elevated-temperature service.
Gangsteel's asme sa 283/sa 283m plates are available in various grades, including sa 283 grade a steel plate, sa 283 grade b steel plate, sa 283 grade c steel plate, and sa 283 grade d steel plate, offering versatility for structural and vessel applications.
The table below summarizes the grades under ASME SA 283:
|
Grade |
Tensile Strength (ksi/MPa) |
Yield Strength (min, ksi/MPa) |
Typical Applications |
|---|---|---|---|
|
45-60 / 310-415 |
24 / 165 |
Low-strength structures |
|
|
50-65 / 345-450 |
27 / 185 |
General fabrication |
|
|
55-75 / 380-515 |
30 / 205 |
Pressure vessels, tanks |
|
|
60-80 / 415-550 |
33 / 230 |
Higher-strength components |
The chemical composition of ASME SA 283 is controlled to ensure low carbon content for better weldability and formability. Below is a table of typical compositions for the grades (in weight %, maximum unless specified):
|
Element |
Grade A |
Grade B |
Grade C |
Grade D |
|---|---|---|---|---|
|
C (Carbon) |
0.17 |
0.22 |
0.24 |
0.27 |
|
Mn (Manganese) |
0.90 |
0.90 |
0.90 |
0.90 |
|
P (Phosphorus) |
0.035 |
0.035 |
0.035 |
0.035 |
|
S (Sulfur) |
0.040 |
0.040 |
0.040 |
0.040 |
|
Si (Silicon) |
0.40 |
0.40 |
0.40 |
0.40 |
|
Cu (Copper, min if specified) |
0.20 |
0.20 |
0.20 |
0.20 |
Gangsteel's asme sa 283/sa 283m plates adhere to these limits, providing consistent quality across all grades.
ASME SA 283 material offers moderate mechanical properties, with no heat treatment required beyond rolling. The table below details the requirements for each grade:
|
Grade |
Yield Strength (min, ksi/MPa) |
Tensile Strength (ksi/MPa) |
Elongation (min, % in 8") |
|---|---|---|---|
|
24 / 165 |
45-60 / 310-415 |
30 |
|
|
27 / 185 |
50-65 / 345-450 |
28 |
|
|
30 / 205 |
55-75 / 380-515 |
25 |
|
|
33 / 230 |
60-80 / 415-550 |
23 |
Gangsteel's plates meet these properties through advanced manufacturing, with optional impact testing for low-temperature use.
ASME SA 283 material is widely used in pressure vessels, storage tanks, structural components, and general fabrication where moderate strength and good ductility are needed. It is not suitable for high-pressure or elevated-temperature service. Gangsteel's sa 283 grade c steel plate is popular for these applications, offering cost-effective solutions with excellent weldability.
SA 283 Gr C and SA 285 Gr C (55 ksi): Gangsteel offers both for vessels, with SA 285 stricter for boilers, ensu
SA283 Gr C plates cost $550-$650/ton in China 2025. Gangsteel offers bulk deals, custom sizes, and fast export
SA 283 A-D equals ASTM A283, S235JR. Gangsteel’s plates (45-65 ksi) suit vessels and structures, with certifi
A283 Grade C equals SA 283 C, S235JR. Gangsteel’s plates offer 55 ksi strength, ideal for structural use, wit
