We offer ASTM A204grA/B/C steel plate/sheet for pressure vessels steels:

1.Chemical composition:  

A204 grA   C :<=0.18  Si:0.15-0.40   Mn:<= 0.90  S :<=0.035  P :<=0.035        

A204 grB   C :<= 0.20  Si:0.15-0.40  Mn:<= 0.90  S :<=0.035  P :<=0.035

A204 grC   C :<= 0.23  Si:0.15-0.40   Mn:<= 0.90  S :<=0.035  P :<=0.035

2.Mechanical  properties:

A204 grA :

Tensile Strength σb(MPa) : 450-585

Yield Strength σ0.2 : >=255    

Elongation δ5(%) : >=23

A204 grB :

Tensile Strength σb(MPa) :485-620

Yield Strength σ0.2 : >=275    

Elongation δ5(%) : >=21

A204 grC:

Tensile Strength σb(MPa) :515-655

Yield Strength σ0.2 : >=295    

Elongation δ5(%) : >=20

3. Application :

ASTM A204grA/B/C steel grade is a kind of steel which with Cr., Mo.,Cr-Mo and mainly used for pressure vessels.The steel grade A204grA/B/C is according to ASTM standard which with the yield strength of 242MPa. ASTM A204grA/B/C are widely used in the fabrication of boilers and pressure vessels in industries such as shipbuilding, petrochemical and manufacturing.

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