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Your present location:Home >> Pressure Vessel Steel >> A203 GrA,A203 GrB,A203 GrD,A203 GrE,A203 GrF STEEL PLATE
  • Commodity Numbers: 86
  • Shelves time: 2011-07-05
  • Views : 418

  1.Application Potential:

  A203/A203M specificationcovers nickel-alloy steel plates intended primarily for welded pressure vessels.This standard covers steel A203GrA ,A203GrB,A203GrD,A203GrEandA203GrF .These plates are widely used in the fabrication of boilers and pressure vessels in industries such as shipbuilding, petrochemical and manufacturing.

  2.Chemical Composition and Mechnical Property:

         Chemical Composition

Grade

Standard

C

Mn

S

P

Si

A203GrA

A203/A203M

0.17

0.7

0.035

0.035

0.13-0.45

A203GrB

A203/A203M

0.21

0.7

0.035

0.035

0.13-0.45

   Mechnical Property

Grade

Tensile strength, ksi [MPa]

Yield strength, min,A ksi [MPa]

Elongation in 8 in. [200 mm], min, %B

Elongation in 2 in. [50 mm], min, %B

A203GrA

65–85 [450–585]

37[255]

19

23

A203GrB

70–90 [485–620]

40[275]

17

21

 

  3.A203GrA,A203GrB have different minimum strength levels as 450MPa and 485MPa separately,where the main difference between them exist.For more Supplementary requirements such as S1. Vacuum Treatment,S2. Product Analysis and so on,do not hesitate to contact us,we will do our best to satisfy you.

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