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AISI 4037 Alloy Steel (UNS G40370)

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations

Introduction

Alloy steels comprise a broad spectrum of steels whose compositions are more than the limitations of C, Mo, Cr, Va, Mn, Ni, Si, and B which have been fixed for carbon steels. These steels are more responsive to mechanical and heat treatments than carbon steels.

The following datasheet will provide details about AISI 4037 alloy steel.

Chemical Composition

The following table shows the chemical composition of AISI 4037 alloy steel.

Element Content (%)
Iron, Fe 97.98-98.6
Manganese, Mn 0.70-0.90
Carbon, C 0.35-0.40
Silicon, Si 0.15-0.35
Molybdenum, Mo 0.20-0.30
Sulfur, S 0.040
Phosphorous, P 0.035

Physical Properties

The physical properties of AISI 4037 alloy steel are outlined in the following table.

Properties Metric Imperial
Density 7.85 g/cm3 0.284 lb/in³

Mechanical Properties

The following table shows the mechanical properties of AISI 4037 alloy steel.

Properties Metric Imperial
Elastic modulus 190-210 GPa 27557-30458 ksi
Bulk modulus (typical for steel) 140 GPa 20300 ksi
Shear modulus (typical for steel) 80 GPa 11600 ksi
Poisson’s ratio 0.27-0.30 0.27-0.30
Hardness, Brinell 196 196
Hardness, Knoop (converted from Brinell hardness) 218 218
Hardness, Rockwell B (converted from Brinell hardness) 92 92
Hardness, Rockwell C (converted from Brinell hardness, value below normal HRC range, for comparison purposes only) 12 12
Hardness, Vickers (converted from Brinell hardness) 206 206
Machinability (annealed and cold drawn, based on 100 machinability for AISI 1212 steel) 70 70

Thermal Properties

The thermal properties of AISI 4037 alloy steel are highlighted below.

Properties Metric Imperial
Thermal conductivity 48.1 W/mK 334 BTU in/hr.ft².°F

Other Designations

Equivalent materials to AISI 4037 alloy steel are:

  • AMS 6300
  • ASTM A322
  • ASTM A331
  • ASTM A519
  • ASTM A547
  • SAE J404
  • SAE J412
  • SAE J770

Date Added: Sep 1, 2012 | Updated: Jul 11, 2013
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