AISI 4140 Steel, normalized at 870°C (1600°F), reheated to 845°C (1550°F), oil quenched, 480°C (900°F) temper, 25 mm (1 in.) round

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

AISI 4140 Steel, normalized at 870°C (1600°F), reheated to 845°C (1550°F), oil quenched, 480°C (900°F) temper, 25 mm (1 in.) round
Categories:	Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series Steel; Low Alloy Steel; Carbon Steel; Medium Carbon Steel
Material Notes:	Sample normalized at 870°C, reheated to 845°C (1550°F), oil quenched, and tempered at 480°C. As quenched hardness after oil quenching: Surface - 55 HRC, 1/2 radius - 55 HRC; Center - 50 HRC
Key Words:	ASTM A322, ASTM A331, ASTM A505, ASTM A519, ASTM A646, B.S. 708 A 42 (UK), B.S. 708 M 40 (UK), B.S. 709 M 40 (UK), JIS SCM 4 H, JIS SCM 4, JIS SCM440, SS14 2244 (Sweden), MIL SPEC MIL-S-16974, SAE J404, SAE J412, SAE J770, DIN 1.7225, UNS G41400, AMS 6381, AMS 6382, AMS 6390, AMS 6395, IS 1570 40Cr1Mo28, IS 4367 40Cr1Mo28, IS 5517 40Cr1Mo28
Vendors:

Available Properties

Density
Hardness, Brinell
Hardness, Knoop, Converted from Brinell
Hardness, Rockwell B, Converted from Brinell
Hardness, Rockwell C, Converted from Brinell
Hardness, Vickers, Converted from Brinell
Tensile Strength, Ultimate
Tensile Strength, Yield
Elongation at Break
Reduction of Area
Modulus of Elasticity, Typical for steel
Bulk Modulus, Typical for steels.
Poissons Ratio, Calculated
Machinability, Based on AISI 1212 as 100% machinability.
Shear Modulus, Typical for steels.
Izod Impact
Electrical Resistivity, specimen hardened and tempered
Electrical Resistivity, specimen hardened and tempered
Electrical Resistivity, specimen hardened and tempered
Electrical Resistivity, specimen hardened and tempered
Electrical Resistivity, specimen hardened and tempered
CTE, linear
CTE, linear
CTE, linear
Specific Heat Capacity
Specific Heat Capacity
Specific Heat Capacity
Thermal Conductivity
Carbon, C
Chromium, Cr
Iron, Fe, As remainder
Manganese, Mn
Molybdenum, Mo
Phosphorus, P
Silicon, Si
Sulfur, S

Property Data

This page displays only the text
of a material data sheet.

To see MatWeb's complete data
sheet for this material (including
material property data, metal
compositions, material suppliers,
etc), please click the button below.

Manufacturer Notes:
none

Category Notes
none

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message