AISI 4135 Quenched & Tempered Mechanical Properties , Low alloy steel (4100 Series, Cr-Mo Alloyed, 0.35% C )

AISI 4135
Condition	Quenched & tempered

Young’s modulus	200	–	210	GPa
Specific stiffness	25.5	–	26.9	MN.m/kg
Yield strength (elastic limit)	690	–	1210	MPa
Tensile strength	862	–	1380	MPa
Specific strength	88.1	–	155	kN.m/kg
Elongation	6	–	12	% strain
Compressive strength	752	–	1250	MPa
Flexural modulus	200	–	210	GPa
Flexural strength (modulus of rupture)	690	–	1210	MPa
Shear modulus	76	–	79.9	GPa
Bulk modulus	185	–	195	GPa
Poisson’s ratio	0.32	–	0.333
Shape factor	26
Hardness – Vickers	320	–	390	HV
Hardness – Brinell	290	–	350	HB
Elastic stored energy (springs)	1240	–	3380	kJ/m^3
Fatigue strength at 10^7 cycles	248	–	801	MPa
Fatigue strength model (stress range) Parameters: Stress Ratio = -1, Number of Cycles = 1e7cycles	228	–	873	MPa

AISI 4135 Low alloy steel (4100 Series, Cr-Mo Alloyed, 0.35% C )
UNS number	G41350
US name	SAE 4137, SAE 4135H, SAE 4135, SAE 17-22-A S, ASTM L7M, ASTM L7B, ASTM G41370, ASTM G55, ASTM F70, ASTM F65, ASTM B1, ASTM 4137, ASTM 4130H, ASTM 4130, ~SAE 4130, ~ASTM H 70, ~ASTM H65, ~ASTM H55, ~ASTM G41300, ~ASTM G70, ~ASTM G65, ~ASTM 4130
EN name	~34CrMo4
EN number	~1.7226, ~1.722
ISO name	34CrMoS4, 33CrAlMo5-4, ~34CrMo4