标准摘要
This specification covers an aircraft-quality, low-alloy steel in the form of round, non-welded tubing free from OD surface seams.
英文名称Steel Tubing, Seamless, Round 0.95Cr - 0.20Mo (0.28 - 0.33C) (SAE 4130) 95 ksi (655 MPa) Tensile Strength Aircraft Quality