Chromium Molybdenum Steel (Alloy 41XX) Steel Properties

The below table outlines the material properties for Chromium Molybdenum Steel (Alloy 41XX) material including the young's modulus, yield strength, ultimate strength and other relevant mechanical properties required for structural and mechanical design.

Chromium Molybdenum Steel (Alloy 41XX) Young's Modulus

The Young's Modulus of Chromium Molybdenum Steel (Alloy 41XX) ranges between 29,700 and 29,710 ksi Young's Modulus represents the material overall strength. See the below tables to get your specific material grade material strength.

Chromium Molybdenum Steel (Alloy 41XX) Ultimate Strength

The Ultimate Strength of Chromium Molybdenum Steel (Alloy 41XX) ranges between 75 and 177 ksi.

Chromium Molybdenum Steel (Alloy 41XX) Yield Strength

The Yield Strength of Chromium Molybdenum Steel (Alloy 41XX) ranges between 50 and 161 ksi depending on the material grade. See the below tables to get your specific material grade material strength.

Alloy 4118 Steel Properties

Annealed, Furnace cooled Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	205,000 MPa	7,850 kg/m³	517 MPa	365 MPa	13 1/°C	0.29
Imperial	29,700 ksi	491 lb/ft³	75 ksi	53 ksi	7.22 1/°F	0.29

Normalized, Air cooled Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	205,000 MPa	7,850 kg/m³	586 MPa	393 MPa	13 1/°C	0.29
Imperial	29,700 ksi	491 lb/ft³	85 ksi	57 ksi	7.22 1/°F	0.29

Carburized, reheated, oil quenched Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	205,000 MPa	7,850 kg/m³	986 MPa	645 MPa	13 1/°C	0.29
Imperial	29,700 ksi	491 lb/ft³	143 ksi	94 ksi	7.22 1/°F	0.29

Direct quenched from pot, carburized Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	205,000 MPa	7,850 kg/m³	1,220 MPa	896 MPa	13 1/°C	0.29
Imperial	29,700 ksi	491 lb/ft³	177 ksi	130 ksi	7.22 1/°F	0.29

Single quenched, tempered, carburized Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	205,000 MPa	7,850 kg/m³	951 MPa	620 MPa	13 1/°C	0.29
Imperial	29,700 ksi	491 lb/ft³	138 ksi	90 ksi	7.22 1/°F	0.29

Double quenched, tempered, carburized Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	205,000 MPa	7,850 kg/m³	827 MPa	435 MPa	13 1/°C	0.29
Imperial	29,700 ksi	491 lb/ft³	120 ksi	63 ksi	7.22 1/°F	0.29

Alloy 4118H Steel Properties

Annealed, Furnace cooled Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	205,000 MPa	7,850 kg/m³	517 MPa	365 MPa	13 1/°C	0.29
Imperial	29,700 ksi	491 lb/ft³	75 ksi	53 ksi	7.22 1/°F	0.29

Normalized, air cooled Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	205,000 MPa	7,850 kg/m³	586 MPa	393 MPa	13 1/°C	0.29
Imperial	29,700 ksi	491 lb/ft³	85 ksi	57 ksi	7.22 1/°F	0.29

Carburized Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	205,000 MPa	7,850 kg/m³	986 MPa	645 MPa	13 1/°C	0.29
Imperial	29,700 ksi	491 lb/ft³	143 ksi	94 ksi	7.22 1/°F	0.29

Alloy 4130 Steel Properties

Annealed, furnace cooled, air cooled Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	205,000 MPa	7,850 kg/m³	560 MPa	460 MPa	13 1/°C	0.29
Imperial	29,700 ksi	491 lb/ft³	81 ksi	67 ksi	7.22 1/°F	0.29

Normalized, air cooled Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	205,000 MPa	7,850 kg/m³	731 MPa	460 MPa	13 1/°C	0.29
Imperial	29,700 ksi	491 lb/ft³	106 ksi	67 ksi	7.22 1/°F	0.29

Water quenched Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	205,000 MPa	7,850 kg/m³	1,145 MPa	1,110 MPa	13 1/°C	0.29
Imperial	29,700 ksi	491 lb/ft³	166 ksi	161 ksi	7.22 1/°F	0.29

Normalized Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	205,000 MPa	7,850 kg/m³	670 MPa	435 MPa	13 1/°C	0.29
Imperial	29,700 ksi	491 lb/ft³	97 ksi	63 ksi	7.22 1/°F	0.29

Annealed Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	205,000 MPa	7,850 kg/m³	560 MPa	360 MPa	13 1/°C	0.29
Imperial	29,700 ksi	491 lb/ft³	81 ksi	52 ksi	7.22 1/°F	0.29

Alloy 4130H Steel Properties

Water quenched Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	205,000 MPa	7,850 kg/m³	1,145 MPa	1,110 MPa	13 1/°C	0.29
Imperial	29,700 ksi	491 lb/ft³	166 ksi	161 ksi	7.22 1/°F	0.29

Annealed Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	205,000 MPa	7,850 kg/m³	560 MPa	360 MPa	13 1/°C	0.29
Imperial	29,700 ksi	491 lb/ft³	81 ksi	52 ksi	7.22 1/°F	0.29

Normalized Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	205,000 MPa	7,850 kg/m³	670 MPa	435 MPa	13 1/°C	0.29
Imperial	29,700 ksi	491 lb/ft³	97 ksi	63 ksi	7.22 1/°F	0.29

Normalized, Air cooled Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	205,000 MPa	7,850 kg/m³	731 MPa	460 MPa	13 1/°C	0.29
Imperial	29,700 ksi	491 lb/ft³	106 ksi	67 ksi	7.22 1/°F	0.29

Alloy 4137 Steel Properties

General Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	205,000 MPa	7,850 kg/m³	550 MPa	340 MPa	11.2 1/°C	0.29
Imperial	29,700 ksi	491 lb/ft³	80 ksi	50 ksi	6.22 1/°F	0.29

Alloy 4140 Steel Properties

Annealed Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	205,000 MPa	7,850 kg/m³	655 MPa	415 MPa	12.2 1/°C	0.29
Imperial	29,710 ksi	491 lb/ft³	95 ksi	60 ksi	6.79 1/°F	0.29

Normalized Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	205,000 MPa	7,850 kg/m³	1,020 MPa	655 MPa	12.2 1/°C	0.29
Imperial	29,710 ksi	491 lb/ft³	148 ksi	95 ksi	6.79 1/°F	0.29

Oil quenched Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	205,000 MPa	7,850 kg/m³	1,075 MPa	986 MPa	12.2 1/°C	0.29
Imperial	29,710 ksi	491 lb/ft³	156 ksi	143 ksi	6.79 1/°F	0.29

Molybdenum Steel (Alloy 40XX, 44XX) Steel Properties Nickel Chromium Molybdenum Steel (Alloy 43XX, 47XX, 81XX, 86XX, 87XX, 88XX) Steel Properties