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45Mn SAE 1046 UNS G10460 Carbon steel

Prouduct name: 45Mn SAE 1046 UNS G10460 Carbon steel

abstract: 45Mn SAE 1046 UNS G10460 Carbon steelIntroductionSteels containing carbon as the major alloying elem···

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45Mn SAE 1046 UNS G10460 Carbon steel

Introduction

Steels containing carbon as the major alloying element are referred as carbon steels. They may also consist of up to 1.2% of manganese and 0.4% of silicon, as well as other alloying elements such as chromium, aluminium, molybdenum, and copper in small quantities.

The following datasheet gives an overview of the AISI 1046 carbon steel.

Chemical Composition

The chemical composition of the AISI 1046 carbon steel is tabulated below.

ElementContent (%)
Iron, Fe98.41 - 98.88
Manganese, Mn0.70 - 1.0
Carbon, C0.420 - 0.50
Sulfur, S≤ 0.050
Phosphorous, P≤ 0.040

Physical Properties

The following table outlines the physical properties of the AISI 1046 carbon steel.

PropertiesMetricImperial
Density7.85 g/cc0.284 lb/in³

Mechanical Properties

The mechanical properties of the cold drawn AISI 1046 carbon steel are given in the following table.

PropertiesMetricImperial
Tensile strength650 MPa94300 psi
Yield strength545 MPa79000 psi
Bulk modulus (typical for steel)140 GPa20300 ksi
Shear modulus (typical for steel)80.0 GPa11600 ksi
Elastic modulus190-210 GPa27557-30458 ksi
Poisson's ratio0.27-0.300.27-0.30
Elongation at break (in 50 mm)12%12%
Reduction of area35%35%
Hardness, Brinell187187
Hardness, Knoop (converted from Brinell hardness)209209
Hardness, Rockwell B (converted from Brinell hardness)9090
Hardness, Rockwell C (converted from Brinell hardness. Value below normal HRC range, for comparison purposes only)1010
Hardness, Vickers (converted from Brinell hardness)196196
Machinability (based on AISI 1212 steel. as 100 machinability.)5555

Thermal Properties

The following table shows thermal properties of the AISI 1046 carbon steel.

PropertiesMetricImperial
Thermal expansion co-efficient (@ 0-100°C/32-212°F)11.5 µm/m°C6.39 µin/in°F
Thermal conductivity49.8 W/mK346 BTU in/hr.ft².°F

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