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Home Material GB /T 8163-2008
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Grade Q295
Other Names
Corresponding Standard GB /T 8163-2008
Seamless Steel Tubes for Liquid Service
Classification Alloy Steel
Properties Strength
Q295 Chemical Element Composition Content (%)
  Component C Si Mn P S Cr Ni Cu Ti V Nb
Q295A Minimum Value - - 0.8 - - - - - 0.02 0.02 0.015
Maximum Value 0.16 0.55 1.5 0.045 0.045 0.3 0.3 0.3 0.2 0.15 0.06
  Component C Si Mn P S Cr Ni Cu Ti V Nb
Q295B Minimum Value - - 0.8 - - - - - 0.02 0.02 0.015
Maximum Value 0.16 0.55 1.5 0.04 0.04 0.3 0.3 0.3 0.2 0.15 0.06
Q295 Mechanical Properties
condition Heat Treatment or Condition
Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Impact Energy Absorption
KV2
J
Seamless Pipe (A,B); t≤16 Heat Treatment ≥295 ≥22
Seamless Pipe (A,B); 16<t≤30 Heat Treatment ≥275 ≥22
Seamless Pipe (A,B); t>30 Heat Treatment ≥255 ≥22
Seamless Pipe (B) ≥34

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