China manufacture Seamless Alloy Steel Tube ASTM A213/ASME SA213 with Best Price
Standard: ASTM A213/ASME SA213
Steel grade: T2, T5, T9, T11, T12, T22, T91, T92
Size: OD (10-168.3mm) x WT (1.2-21.95mm)
Application: Boiler tube, super heater tube, heat-Exchanger tube.
Grade Chemical Composition%
C Si Mn P,S Cr Mo Ni V Al
T2 0.10~0.20 0.10~0.30 0.30~0.61 ≤ 0.025 0.50~0.81 0.44~0.65 - - -
T11 0.05~0.15 0.50~1.00 0.30~0.60 ≤ 0.025 1.00~1.50 0.44~0.65 - - -
T12 0.05~0.15 ≤ 0.5 0.30~0.61 ≤ 0.025 0.80~1.25 0.44~0.65 - - -
T22 0.05~0.15 ≤ 0.5 0.30~0.60 ≤ 0.025 1.90~2.60 0.87~1.13 - - -
T91 0.07~0.14 0.20~0.50 0.30~0.60 ≤ 0.02 8.0~9.5 0.85~1.05 ≤ 0.4 0.18~0.25 ≤ 0.015
T92 0.07~0.13 ≤ 0.5 0.30~0.60 ≤ 0.02 8.5~9.5 0.30~0.60 ≤ 0.4 0.15~0.25 ≤ 0.015
Grade Chemical Composition% Mechanical Properties
W B Nb N T. S Y.P Elongation Hardness
T2 - - - - ≥415MPa ≥205MPa ≥30% 163HBW ( 85HRB)
T11 - - - - ≥415MPa ≥205MPa ≥30% 163HBW ( 85HRB)
T12 - - - - ≥415MPa ≥220MPa ≥30% 163HBW ( 85HRB)
T22 - - - - ≥415MPa ≥205MPa ≥30% 163HBW (85HRB)
T91 - - 0.06~0.10 0.03~0.07 ≥585MPa ≥415MPa ≥20% 250HBW (25HRB)
T92 1.50~2.00 0.001~0.006 0.04~0.09 0.03~0.07 ≥620MPa ≥440MPa ≥20% 250HBW (25HRB)
