See Tool Steel Tolerances

Tool Steel Square Bar 1018 provides strength, some ductility, and comparative ease of machining. 1018 is the most commonly available of the cold-rolled steels with a mix of all of the typical traits of steel. It is typically used in pins, rods, shafts, spindles, and sprockets.

shape Image

Dimension Name


Alloy 1018
Height 1.125
Max Length 24
Eniteo Vendor ID 1554
MTR Availability Yes
Material Tool Steel
Shape Bar-Square
Custom Cut Warehouse 0
Material Specifications

This material meets the following specs: ASTM -A681, FED -QQ-S-635

Weight/Lineal Foot

4.3 pounds
Please note that this data is to be used ONLY FOR REFERENCE, NOT FOR DESIGN, and by using it,you agree that any decisions you make regarding materials for your project are at your own discretion.

Mechanical Properties

Property Value
Brinell hardness  126
Rockwell Hardness B scale 71
Density g/cm^3 8
Specific Heat BTU/lb-°F (32-212F) 0 min
Thermal conductivity BTU-in/hr-ft^2-°F 360
Melting Point °F 2590 - 2670
Elongation Typical % 15
Ultimate KSI 64
Modulus of Elasticity KSI x 10^3 29
Ultimate shear strength KSI 43
Yield KSI 54
Reduction of Area % 40

Chemistry Information: 1018 Tool Steel

Element Percentage
C 0.14 - 0.2
Fe 98.81 - 99.26
Mn 0.6 - 0.9
P 0.04 max
S 0.05 max
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