Material:34CrMo4

Chemical composition:

C:0.30~0.37

Si:0.10~0.40

Mn:0.60~0.90

S:permissible residual content ≤0.035

P:permissible residual content ≤0.035

Cr:0.90~1.20

Ni:permissible residual content ≤0.030

Cu:permissible residual content ≤0.030

Mo:0.15~0.30

Mechanical properties:

Tensile strength σb (MPa):≥985(100)
Yield strength σs (MPa):≥835(85)
Elongation δ5 (%):≥12
rate of reduction in area ψ (%):≥45
Impact energy Akv (J):≥63
Impact toughness αkv (J/cm2):≥78(8)
Hardness :≤229HB
Sample size for blank :25mm

Characteristic:

TORICH QUALITY ASSURANCE

Good surface quality

Good OD and ID tolerance controlled to Technical Standard
Stable quality
100% Eddy Current Test

Processing:W-C, W-H

Technical Delivery Conditions:Heat treatment with quenching or tempering

Widely used in the field of:Drives for vehicles and engine, big gear for Locomotive traction, connecting rod and spring clip, deep oil drilling joints etc.

Torich Interational Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes，DOM Steel Tubes, Seamless & Welded Stainless Steel Tubes with Nickel and Alloy Steel Grade.

Our steel pipes cover the following ranges:
Seamless Precision Steel Pipes
Welded Precision Steel Pipes, with DOM production
Seamless Heat Exchanger Steel Pipe
Seamless Boiler Steel Pipes
Seamless Structural Steel Pipes
Seamless Mechanical Steel Pipes
Seamless Alloy Steel Tubes & Pipes
Seamless Stainless Steel tubes
Welded Stainless Steel Tubes
Seamless Stainless Steel Tubes & Pipes
Welded Stainless Steel Tubes & Pipes
Seamless Carbon Steel Tubes & Pipes
Nickel Alloy Steel Tubes & Pipes

Steel Grade:
Carbon Steel Grade:
ST35.8, ST37.0, ST44, ST52;
E155, E195, E215, E235, E275, E355;
195GH, P235GH, P265GH, P195TR1, P195TR2, P235TR1, P235TR2, P265TR1, P265TR2;
SAE1010, SAE1020, SAE1026, SAE1035, SAE1045;
Carbon steel tube: SA178, A179, A192, A210, SA213, SA214, etc.

Alloy Steel Grade:
T2, T5, T9, T11, T12, T17, T21, T22, T91,T92, 15Mo3,16Mo3, 13CrMo44;
SAE4130, SAE4140, 40Cr, 40Cr4, 10CrMo910, 12CrMo910, 11CrMo910,
25CrMo4, 35CrMo, 35CrMo4, 42CrMo4, 34CrMo4, 20MnV, 20MnV6,20CrMn;
Carbon steel tube:A179,A192,A210,DIN17175,etc.