ASTM A335 seamless alloy steel pipe

ASTM A335 seamless Alloy-Steel Pipe

Name: ASTM A335 alloy steel pipe

Diameter:16-1016mm

Thickness: 2---120mm

Steel grade: P1 P2 P5 P9 P11 P12 P22

Surface: oiled, black painted to prevent rust

ASTM A335 steel Pipe is seamless Alloy-Steel Pipe for high temperature service like power plant. Pipe sold to this specification are manufactured to be suitable for flanging, bending, other forming treatment and fusion welding. The most widely used grades are P11, P22, and P91 is in the power plants and petro-chemical industry, pipes of grades P5 and P9 are mostly used in refineries and pellet machine factories.

Chemical properties:

Material C Si Mn P S Mo Cr
  % % % % Max % Max
A335 Grade P1 0.10---0.20 0.10---0.50 0.30---0.80 0.025 0.025 0.440.65  
A335 Grade P5 Max 0.15 Max 0.50 0.30---0.60 0.025 0.025 0.450.65 4.006.00
A335 Grade P11 0.05---0.15 0.5---1.0 0.30---0.60 0.025 0.025 0.450.65 1.001.50
A335 Grade P12 0.05---0.15 Max 0.50 0.30---0.61 0.025 0.025 0.450.65 0.801.25
A335 Grade P22 0.05---0.15 Max 0.50 0.30---0.60 0.025 0.025 0.871.13 1.902.60

Mechanical properties:

Material Tensile N/mm2 Strength min N/mm2 Yield %min
A335 Grade P1 Min380 205 30
A335 Grade P5 Min415 205 30
A335 Grade P11 Min415 205 30
A335 Grade P12 Min415 205 30
A335 Grade P22 Min415 205 30

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