ASTM 5135 35Cr SCR435 34Cr4 Alloy Seamless Steel Pipe

Short Description:

34Cr4 alloy seamless steel pipe has high fatigue strength and good toughness. It has good machinability after normalizing or quenching and tempering. It also has good machinability after annealing. It is generally used after quenching and tempering.

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Chemical Composition

C	Si	Mn	P	S	Cr	Ni	Cu
0.32~0.39	0.17~0.37	0.50~0.80	≤0.035	≤0.035	0.80~1.10	≤0.30	≤0.03

Mechanical Properties

Tensile Strength σb (MPa)	Yield Strength σs (MPa)	Elongation δ5 (%)	Impact energy Akv (J)	Shrinkage of section ψ (%)	Impact toughness value αkv (J/cm2)	Hardness HB
≥930(95)	≥735(75)	≥11	≥47	≥45	≥59(6)	≤207

34Cr4 Alloy Seamless Steel Pipe Features

1. High strength, excellent wear resistance and good toughness.

2. Good machinability and stable performance under high load and high stress conditions.

Application Field

34Cr4 alloy seamless steel pipe is widely used in the automotive industry, engineering machinery, construction machinery and other fields.

Heat Treatment Specification

Quenching 860ºC, oil cooling; Tempering 500ºC, water cooling, oil cooling.

Delivery Status

Delivery in heat treatment (normalizing, annealing or high temperature tempering) or no heat treatment condition, the condition of delivery shall be indicated in the contract.

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34Cr4 Alloy Seamless Steel Pipe