UNS S44004

We are professional UNS S44004 SAE 51440C Forged forging Steel Round Bars Rods Square rectangular rectangle Flat Hex Bars,UNS S44004 SAE 51440C Forged Forging Steel Hollow Bars Forged Forging Sleeves Bushes Bushing Pipes Piping tubes tubings barrels Casing Cases Shells cylinders hubs housings,UNS S44004 SAE 51440C Forged Forging Steel Rings Seamless Rolled Steel Rings,UNS S44004 SAE 51440CForged Forging Steel Blocks Discs Disks Plates,UNS S44004 SAE 51440C 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 UNS S44004 SAE 51440C forged forging forge Steel parts forged forging pieces forged forging steel components material etc. from china

Chemical Composition of UNS S44004 SAE 51440C
	Min. %	Max %
Carbon	0.95	1.20
Silicon	0	1.00
Manganese	0	1.00
*Nickel	0	1.00
Chromium	16.00	18.00
Molybdenum	0.00	0.75
Phosphorous	0	0.04
Sulphur	0	0.03
*Nickel addition optional.
Mechanical Property Requirements For Material in the Annealed Condition to UNS S44004 SAE 51440C
Specification		AS2837-1986 440C
Finish
Brinell Hardness		269 Max
Capable of attaining Rc59 minimum in 10mm test bar oil quenched from 1010oC - 1070oC.
Specifrication		ASTM A276-98b 440C
Finish		Hot Finished	Cold Finished
Brinell Hardness		269 Max	285 Max
Capable of attaining Rc58 minimum in 9.50mm test bar air cooled 1020oC.
Typical Mechanical Properties At Room Temperature in the Annealed Condition (AS Supplied)
Tensile Strength Mpa		785
Yield Strength Mpa		420
Elongation in 50mm %		15
Impact Charpy J		6
Hardness	HB	240
	Rc	24