ASTM-Gr.7

Chemical composition

C(%) N(%) Ti(%) Fe(%) Yield stress (Mpa) Tensile stress (Mpa) Elongation (%)
C(%)(%) ≦0.08 N(%)(%) ≦0.03 ≦0.08 Fe(%)(%) ≦0.3 Yield stress (Mpa)(%) ≧275 ≦0.08 ≦0.08 ≦0.08 ≦0.08 ≦0.08

Mechanical Properties


YieldRp0.2 (MPa) TensileRm (MPa) ImpactKV/Ku (J) ElongationA (%) Reduction in cross section on fractureZ (%) As-Heat-Treated Condition Brinell hardness (HBW)
574 (≥) 145 (≥) 44 44 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Applications

  • Titanium and Titanium Alloy Rods and Bars

Country Code

  • H : ≦0.015

Standard

  • ASTM


Steel Type
B348

Heat treatment
Heat Treatment of steel grade SZAC D4
Heat treated : 1789°C - 1783°C

Relate Steel Type

Steel Type Standard Country Code C(%) N(%) Ti(%) Fe(%) Yield stress (Mpa) Tensile stress (Mpa) Elongation (%)
TB340Pd H4650 JIS ≦0.08 ≦0.03 ≧99 ≦0.25 ≧215 340-510 ≧23
Gr.7 B348 ASTM ≦0.08 ≦0.03 ≧99 ≦0.3 ≧275 ≧345 ≧20
Ti 2 Pd 17862 DIN ≦0.08 ≦0.03 ≧99 ≦0.3 275-450 ≧345 ≧20