How to buy high quality precision seamless steel tubes hot sale alloy steel tubes

Precision steel tube inside and outside the diameter of the surface finish is high, the customer can be used directly without processing; while the ordinary seamless steel tube requires customers to then lathe, polishing and other processing.

●Precision seamless steel tube chemical composition:

Carbon C :0.10~0.15Silicon Si:0.17~0.37Manganese Mn:1.10~1.60Sulphur S :≤0.035Phosphorus P :≤0.035Chromium Cr:0.90~1.30Vanadium V :0.03~0.06Molybdenum Mo:0.32~0.40Boron B :0.002~0.006

Precision steel tubes are made of high quality alloy steel. 0.006

●Precision Seamless Steel Tube Mechanical Properties:

Tensile Strength σb (MPa):868 Conditional Yield Strength σ0.2 (MPa):713 Elongation δ5 (%):17 Elongation δ10 (%):11 Section Shrinkage ψ (%):62 Impact Toughness αku (J/cm2):5 Specimen Size: a test material

●Precision Seamless Steel Tube Mechanical Properties:

●Precision seamless steel tube heat treatment specifications and metallurgical organization: heat treatment specifications: 900 ℃ normalizing, 600 ℃ tempering. Metallographic organization:Tempered bainite + a small amount of tempered sostenite. Reference www.cdytjt.com