AISI 440C (1.4125, UNS S44004, X105CrMo17) Forged/Forging/Rolled Rings

• Processing Object: Metal
• Molding Style: Forging
• Molding Technics: Forging
• Application: Machinery Parts
• Material: SS
• Heat Treatment: Quenching
• Model NO.: AISI 440C
• Surface Treatment: Polishing
• Forging Tolerance: +/-0.1mm
• Standard: AISI
• Certification: SGS, CE, ISO 9001:2008
• Material Grade of Forging Rings: AISI 440c, 1.4125
• Transport Package: Wooden or Steel Frame Crate Packing
• Specification: CE
• Trademark: LY
• Origin: Jiangyin
• HS Code: 722840000
• Production Capacity: 5000 Tons/Year

Product Description

We are professional AISI 440C(1.4125, UNS S44004,X105CrMo17)Forged/Forging/Rolled Rings factory from china
440C is a high carbon straight chromium high hardenability martensitic stainless steel, generally supplied in the annealed condition with a maximum Brinell hardness of 269 (Rc29) or annealed and cold drawn with a maximum Brinell hardness of 285 (Rc31).Characterised by good corrosion resistance in mild domestic and industrial environments, including fresh water, organic materials, mild acids, various petroleum products, coupled with extreme high strength, hardness and wear resistance when in the hardened and tempered condition. 440C due to its excellent hardenability is capable of being through hardened up to Rc60 depending upon carbon content and section size. Small sections can be air cooled and quite large sections oil quenched for maximum through hardness.Used for parts requiring a combination of excellent wear resistance, plus reasonable corrosion resistance. Typical applications are: Ball Bearings and Races, Bushings, Cutlery, Chisels, Knife Blades, Pump Parts, Surgical Instruments, Valve Seats etc.

Chemical Composition
	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 1) AS2837 - 1986 440C and 2) ASTM A276-98b 440C
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
Typical Mechanical Properties At Room Temperature - Hardened By Oil Quench at 1030oC and Tempered as Indicated
Tempering Temperature oC			150	200	250	300	350	400
Tensile Strengt Mpa			2050	2020	1980	1890	1820	1780
Yield Strength Mpa			1930	1896	1845	1760	1675	1635
Elongation in 50mm %			4	4	4	4	4	4
Impact Charpy J			9	9	9	9	9	9
Hardness Rc			60	59	57	56	56	56
Section Size 25mm High tensile strength, high yield strength and high hardness but low impact properties.