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AISI 440A
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We are professional AISI 440A 440 A Grade 440A SUS 440A SUS440A Grade Forged forging Steel Round Bars Rods Square rectangular rectangle Flat Hex Bars,AISI 440A 440 A Grade 440A SUS 440A SUS440A Forged Forging Steel Hollow Bars Forged Forging Sleeves Bushes Bushing Pipes Piping tubes tubings barrels Casing Cases Shells cylinders hubs housings,AISI 440A 440 A Grade 440A SUS 440A SUS440A Forged Forging Steel Rings Seamless Rolled Steel Rings ,AISI 440A 440 A Grade 440A SUS 440A SUS440A Forged Forging Steel Blocks Discs Disks Plates,AISI 440A 440 A Grade 440A SUS 440A SUS440A forged forging shafts Ball bearings and races,gage blocks,molds and dies,cutlery,valve components,Valve Seats,valve stems,valve body bodies,valve bonnets,valve seat rings,knives and measuring instruments.Pump Parts, Pivot pins,Surgical Instruments,Valve Seats,Nozzles,other AISI 440A 440 A Grade 440A SUS 440A SUS440A forged forging forge Steel parts forged forging pieces forged forging steel components material  etc from china


Chemical Composition

The chemical composition of grade 440A stainless steel is outlined in the following table.

ElementContent (%)
Iron, FeBalance
Chromium, Cr16-18
Manganese, Mn1
Silicon, Si1
Molybdenum, Mo0.75
Carbon, C0.60-0.75
Sulfur, S0.03
Phosphorous, P0.04

Mechanical Properties

The mechanical properties of grade 440A stainless steel are displayed in the following table.

PropertiesMetricImperial
Tensile strength725-1790 MPa105000 - 260000 psi
Yield strength (@strain 0.200 %)415-1650 MPa60200 - 239000 psi
Modulus of elasticity204 - 215 GPa29600 - 31200 ksi
Elongation at break (in 50 mm)5- 20%5- 20%
Hardness, Rockwell B9595