4140 pipe Scm440 tube Manufacture And Factory Price

best sae 4140 steel tube 1.7225 tube Standards:ASTM,JIS,GB,EN(DIN,BS,NF) Or Per as clients’ requires. Product Basic Information: 1.Chemical Composition and Mechanical Properties(In Quenched & Tempered State): Material 4140 Chemical Composition Mechanical Properties(In Quenched & Tempered State) C 0.38-0.45 Tensile strength(MPA) ≥1080 Si 0.17-0.37 Yield strength (MPA) ≥930 Mn 0.50-0.80 Elongation(δ5/%) 12 Cr 0.90-1.20 Reduction in Area (ψ/%) 45 Mo 0.15-0.25 Impact (J) 63 P ≤0.035 Hardness ≤217HB S ≤0.035 Cu ≤0.30 Ni ≤0.30 2.Product Application Areas: Our products have been used in all kinds of areas, such as aviation,aerospace,navigation,nuclear energy,chemical industry, electronic information,achine manufacture, petrochemical, automotive,instrument and meter, Communication ,transportation, and medical instruments, etc. 3.Similar steel grade & equivalent steel materials: USA Japanese Gemany British France International Chinese ASTM&AISI&SAE JIS EN DIN EN BS EN NF ISO GB 4140 SCM440 42CrMo4 1.7225 42CrMo4 1.7225 42CrMo4 1.7225 ------ 42CrMo 4 we have sold 4140 hot rolle and 4130 cold drawn steel tube before,we have sold to Israel,brazil,Portugal and son on,u can check some of the pictures below