ASME SA335 Seamless Steel Tubes

Standard Steel Code Tensile Strength(MPa) Yield Strength(MPa) Elongation Percent(% Impact Power(J) Rigidity
ASME SA335 SA335 P11 ≥415 ≥205 ≥22 ≥35 ≤163HB
SA335 P12 ≥415 ≥220 ≥22 ≥35 ≤163HB
SA335 P22 ≥415 ≥205 ≥22 ≥35 ≤163HB
SA335 P5 ≥415 ≥205 ≥22 ≥35 ≤187HB
SA335 P91 585∼760 ≥415 ≥20 ≥35 ≤250HB
SA335 P92 ≥620 ≥440 ≥20 ≥35 ≤250HB

Chemical Component

Standard Steel Code Chemical Component(%)
C Si Mn P S Cr Mo Cu Ni V Al W Nb N
ASME SA335 SA335 P11 0.05∼0.15 0.50∼1.0 0.30∼0.60 ≤0.030 ≤0.030 1.00∼1.50 0.50∼1.00              
SA335 P12 0.05∼0.15 ≤0.50 0.30∼0.61 ≤0.030 ≤0.030 0.80∼1.25 0.44∼0.65              
SA335 P22 0.05∼0.15 ≤0.50 0.30∼0.60 ≤0.030 ≤0.030 1.90∼2.60 0.87∼1.13              
SA335 P5 ≤0.15 ≤0.50 0.30∼0.60 ≤0.030 ≤0.030 4.00/6.00 0.45/0.65              
SA335 P91 0.08∼0.12 0.20∼0.50 0.30∼0.60 ≤0.020 ≤0.010 8.00∼9.50 0.85∼1.05   ≤0.40 0.18∼0.25 ≤0.015   0.06∼0.10 0.03∼0.07
SA335 P92 0.07∼0.13 ≤0.50 0.30∼0.60 ≤0.020 ≤0.010 8.50∼9.50 0.30∼0.60 B0.001 0.006 ≤0.40 0.15∼0.25 ≤0.015 1.50∼2.00 0.04∼0.09 0.03∼0.07

 

Type of Steel Pipes OD(D) WT(S)
Cold Drawn Steel Pipe OD(mm) Tolerance (mm) Wall Thickness(mm) Tolerance (mm)
>30∼50 ±0.3 >3∼20 ±10%
>114∼159 ±0.8% ≤30 ±10%
>159∼219 ±1.0%
Hot Rolled Steel Pipe >219∼457 ±1.0% ≤20 10%,12.5%
>20∼40 10%,10%