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The demand for reliable materials in cryogenic service applications has increased significantly with the rapid growth of LNG terminals, industrial gas storage facilities, and low-temperature pressure vessels.2026-06-24
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For engineers specifying materials for cryogenic pressure vessels, finding the balance between strength and ductility at sub-zero temperatures is challenging.2026-06-12
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In industries where equipment must operate reliably under freezing or cryogenic conditions, material selection becomes a matter of safety and structural integrity.2026-06-01
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While both ASTM A203 Grade B and ASTM A106 Grade B serve critical roles in industrial applications, they are fundamentally different in composition, purpose, and performance.2026-06-01
Wholesale quality S45C Carbon steel plate

S45C steel is non-alloyed medium carbon steel. S45C steel plates’ carbon chemical composition is 0.42-0.48%. It is under the JIS G4051 standard.
S45C carbon steel specification:
Thickness: 1mm-200mm
Width: 1000mm-4000mm
Length: 2000mm-12000mm
Chemical Composition of S45C Carbon steel plate Max(%):
|
Grade
|
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
|
S45C |
0.42-0.50 |
0.17-0.37 |
0.50-0.80 |
0.035 |
0.035 |
0.25 |
0.25 |
0.25 |
S45C Carbon steel plate mechanical properties:
Tensile Strength σb(MPa) |
Yield Strength |
Elon-Gation Ration |
Reduction of area |
Impact merit |
Resilient value |
Degree of |
Annealed |
Test Specimen |
|
≥600 |
≥355 |
≥16 |
≥40 |
≥39 |
≥49 |
≤229HB |
≤197HB |
25 |
The S45C steel plate has reliable mechanical property, good formability and excellent welding performance, which is widely used in various industries.Such as architecture, bridge construction, marine craft, ail-way locomotive, heavy machine and other structure parts.

