10# seamless steel pipe
The delivery state of 10# seamless steel pipe is to deliver without heat treatment or heat treatment (annealing, normalizing or high temperature tempering). If the delivery is required to be delivered under heat treatment, it should be specified in the contract, and if it is not specified, the delivery shall be delivered without heat treatment.
10# Seamless steel tube chemical composition:
Carbon C: 0.07~0.14" silicon Si: 0.17~0.37 manganese Mn: 0.35~0.65 sulfur S: ≤0.04 phosphorus P: ≤0.35 chromium Cr: ≤0.15 nickel Ni: ≤0.25 copper Cu: ≤0.25
10# Seamless steel pipe mechanical properties:
Tensile strength σb(MPa): ≥410(42) Yield strength σs(MPa): ≥245(25) Elongation δ5 (%): ≥25 Reduction of area ψ (%): ≥5, hardness: not heat-treated ,≤156HB, sample size: sample size 25mm.
