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Name:1119 Free Cutting Steel Bar
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Brief introduction: 1119 Free Cutting Steel Bar
Carbon steels are steels comprising only carbon as the specific alloying element.
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Introduction

Carbon steels are steels comprising only carbon as the specific alloying element. They also contain 1.2% of manganese and 0.4% of silicon. Residual elements such as molybdenum, chromium, nickel, copper, and aluminium are also present in traces.

The following datasheet gives an overview of AISI 1119 carbon steel.

Chemical Composition

The chemical composition of AISI 1119 carbon steel is outlined in the following table.

Element Content (%)
Iron, Fe 98.13 - 98.62
Manganese, Mn 1.0 - 1.30
Sulfur, S 0.240 - 0.330
Carbon, C 0.14 - 0.20
Phosphorous, P  0.040


Physical Properties

The physical properties of AISI 1119 carbon steel are tabulated below.

Properties Metric Imperial
Density 7.87 g/cm3 0.284 lb/in³

Mechanical Properties

The following table shows the mechanical properties of AISI 1119 carbon steel.

Properties Metric Imperial
Bulk modulus (typical for steel) 140 GPa 20300 ksi
Shear modulus (typical for steel) 80.0 GPa 11600 ksi
Elastic modulus 190-210 GPa 27557-30458 ksi
Poisson's ratio 0.27-0.30 0.27-0.30


Thermal Properties

The thermal properties of AISI 1119 carbon steel are given in the following table.

Properties Metric Imperial
Thermal expansion co-efficient (@ 20°C/68°F, typical steel) 11.5 µm/m°C 6.39 µin/in°F
Thermal conductivity (typical steel) 51.9 W/mK 360 BTU in/hr.ft².°F


Applications

AISI 1119 carbon steel is used in the following applications:

Medium duty shafts
Distributor cams
Universal joints
Cam shafts
Pins
Studs

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