AISI 4340 ERW steel tube

Roll over the image to zoom in

Posted On

27-Oct-16

Product Details

rming operations are carried out in that condition. AISI 4340 steel tube can be bent or formed by spinning or pressing in the annealed state. Bend radii should be 3t or greater. The alloy can be fusion or resistance welded. Preheat and post heat weld procedures should be followed when welding this alloy by established methods.
4340 ERW steel tube Specification
Thickness: 0.6mm-3mm;Outer Diameter: 8mm-133mm
AISI 4340 Alloy structural steel tube Chemical composition(%)
Mn:0.60-0.90 S≤0.040 P≤0.035 Cu≤0.025 Cr:0.60-0.90 Ni:1.65-2.00 Mo:0.20～0.30
AISI 4340 steel tube Mechanical property
Tensile strength σb (MPa): ≥980 (100) Yield strength σs (MPa): ≥835(85) Hardness: ≤269HB
Elongation δ5 (%): ≥12 Reduction of area ψ (%): ≥55 Impact energy Akv (J): ≥78
Impact toughness αkv (J / cm2): ≥98 (10) Sample size: Sample size is 25mm rough
Heat treatment and microstructure:
Heat treatment specifications: quenching 850 ℃, oil cooling; tempering 600 ℃, water, oil cooling.
Delivery status: to heat treatment (normalizing, annealing, or tempering) or without heat treatment delivery
Packaging Details: Each piece in woven bag and several pieces per bundle,or accoding to customer's request.

Tel:0086-371-86151827
wency315(at)gmail(dot)com
sales1(at)bebonchina(dot)com

View More