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AISI 440A 440 A SUS440A X70CrMo15 1.4109 UNS S44002 Forged Forging Steel Round Bars Hollow Bars Shafts Square rectangular rectangle Blocks Discs Disks Plates Flat Bars
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We are professional AISI 440A 440 A SUS440A X70CrMo15 1.4109 UNS S44002 Forged Forging Steel Round Bars Hollow Bars Shafts Square rectangular rectangle Blocks Discs Disks Plates Flat Bars from china
Chemical Composition
The chemical composition of grade 440A 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 440A 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 |
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