UNS S44002

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Stainless steel grade UNS S44002 is a high carbon martensitic stainless steel that possesses good strength, moderate corrosion resistance, and excellent hardness and wear resistance.

The following datasheet provides an overview of stainless steel grade UNS S44002

Chemical Composition

The chemical composition of grade UNS S44002 stainless steel is outlined in the following table.

Element	Content (%)
Iron, Fe	Balance
Chromium, Cr	16-18
Manganese, Mn	1
Silicon, Si	1
Molybdenum, Mo	0.75
Carbon, C	0.60-0.75
Sulfur, S	0.03
Phosphorous, P	0.04

Mechanical Properties

The mechanical properties of grade UNS S44002 stainless steel are displayed in the following table.

Properties	Metric	Imperial
Tensile strength	725-1790 MPa	105000 - 260000 psi
Yield strength (@strain 0.200 %)	415-1650 MPa	60200 - 239000 psi
Modulus of elasticity	204 - 215 GPa	29600 - 31200 ksi
Elongation at break (in 50 mm)	5- 20%	5- 20%
Hardness, Rockwell B	95	95