SIZE
Grade | Delivery Status | Diameter (mm) | Length (mm) |
Gr2, Gr5 | Annealed (M) | 6.35~12.70 | 1000~2000 |
12.70~25.00 | 1000~1800 | ||
25.00~200 | 1000~2700 |
MECHANICAL PROPERTIES
Grade | Status | Room-temperature Mechanical Properties ≥ | |||
σb MPa(Ksi) | σ0.2 MPa(Ksi) | δ4D % | ψ % | ||
GR.2 | Annealed | 345(50) | 276(40) | 20 | 30 |
GR.5 | Annealed | 896(130) | 827(120) | 10 | 25 |
CHEMICAL CONSTITUENT
Grade | impurity content ≤% | |||||||||
Ti | Al | V | Fe | C | N | H | O | residual elements | ||
single | total | |||||||||
Gr2 | Remainder | — | — | 0.30 | 0.08 | 0.03 | 0.01 | 0.25 | 0.10 | 0.40 |
Gr5 | Remainder | 5.5~6.75 | 3.5~4.5 | 0.40 | 0.08 | 0.05 | 0.01 | 0.20 | 0.10 | 0.40 |
a.The residual elements include Al,V,Sn,Mo,Cr,Mn,Zr,Ni,Cu,Si,Y,Nb,Hf,Bi,Ru,Pd,Co,Ta,B,W(exclusive of the elements required in certain grade) | ||||||||||
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