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440C Stainless Bar ASTM A276 SS Bar OD5 - 350mm UNS S44004 Stainless Steel Rod

Categories Stainless Steel Bar
Brand Name: DELTA
Model Number: 201 304 316L 316Ti 317L 321 309S 310S 2205 17-4PH XM-19
Certification: ISO
Place of Origin: China
MOQ: 500 kgs
Price: 2400 - 3500 USD/Ton
Payment Terms: L/C, T/T, Western Union
Supply Ability: 20Ton per week
Delivery Time: 5 - 12 days based on the quantity
Packaging Details: standard packing for export
Shape: round
Standard: ASTM EN GB JIS
Grade: 201 304 316L 316Ti 309S 310S 317L 321 329 2205 2507.etc
Application: Construction,Industry,surgical tools,seawater equipment.,kitchenware
Length: Customers' Requirements,5.8m,6m,2m-6m,or as required
Size: custom as request
Packing: Standard Seaworthy Package,In wooden cases(for FCL/ LCL shipment)
Service: Cutting, surface finishing
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440C Stainless Bar ASTM A276 SS Bar OD5 - 350mm UNS S44004 Stainless Steel Rod

440C Stainless Bar ASTM A276 SS Bar OD5 - 350mm UNS S44004 Stainless Steel Rod

ProductsStainless Steel Bar
Grade440C
Diameter5 - 350mm
Length6m or custom cutting any length as request
FinishingBright Bar / Black Surface
Heat TreatmentSolid Solution , ageing
Surface ProcessPolishing , Peeling
Other Grade

201 303 304 304L 309S 310S 316L 316Ti 317L 321 347 410 420 430 431

2205 2507 904L 254SMO 416 431 440A/B/C.etc

MOQ500 Kgs
Loading PortShanghai Port
ProcessingCutting
PackingWooden box or wrapping by PP bag

Stainless Steel 440C ( 1.4125 ) is capable of attaining, after heat treatment, the highest strength, hardness and wear resistance of all the stainless alloys. Its very high carbon content is responsible for these characteristics, which make SS440C particularly suited to such applications as ball bearings and valve parts.

  • Hardenable high-carbon chromium steels designed to provide stainless properties with maximum hardness
  • Have maximum hardness together with high strength and corrosion resistance in the hardened and stress relieved condition
  • Always used in the hardened or hardened and stress relieved conditions
  • None of the alloys has its full corrosion resistance either in the annealed or in the hardened and tempered condition
  • Wide applications where good corrosion resistance along with high hardness or abrasion resistance is required

Standard of 440C Stainless Steel and Equivalent Steel Grades

CountryUSABS & DINJapan
StandardASTM A276EN 10088JIS G4303
GradesS44004/440CX105CrMo17/1.4125SUS440C

ASTM 440C Stainless Steel Mechanical Properties

Tempering Temperature (°C)Tensile Strength (MPa)Yield Strength 0.2% Proof (MPa)Elongation (% in 50mm)Hardness Rockwell (HRC)Impact Charpy V (J)
Annealed*75844814269HB max#
204203019004599
260196018304579
316186017404569
371179016604569

Applications of stainless Steel 440C

  • Used in numerous applications in areas where a very hard and abrasion resistant stainless is called for
  • Applications include pivot pins, dental and surgical instruments, cutlery valve parts, ball bearings, nozzles, hardened steel balls and seats for oil well pumps, plus valve parts

Will 440C rust?

These stainless steels have good corrosion resistance in the hardened and stress relieved conditions. Hence, they should, usually, be used only in that condition. These steels are resistant to such conditions as fresh water, steam, crude oil, gasoline, perspiration, and alcohol.

440c stainless steel Composition
PropertySS 440ASS 440BSS 440C
Carbon.60 – .75.75 – .95.95 – 1.2
Manganese1.00 max1.00 max1.25 max
Silicon1.00 max1.00 max1.00 max
Phosphorus.04 max.04 max.04 max
Sulfur.03 max.03 max.04 max
Chromium16.0 – 18.016.0 – 18.016.5 – 18.0
Molybdenum.75 max.75 max.75 max
Nickel.50 maxNANA

Mechanical Properties
SS440ASS440BSS440C
PropertyAnnealedHardened & Stress RelievedAnnealedHardened & Stress RelievedAnnealedHardened & Stress Relieved
Ultimate tensile strength, psi105,000260,000107,000280,000110,000285,000
0.2% Yield strength, psi60,000240,00062,000270,00065,000275,000
Elongation, % in 2?205183142
Reduction of area, %452035152510
Rockwell hardnessB95C51B96C55B97C57
Impact strength Izod V-Notch, ft-lbsNA3-6NA2-5NA1-5
IS 440C stainless steel good for knives?
440C is a high carbon martensitic stainless steel that belongs to the 440 steel series. … This steel is loved by both knife makers and knife users due to its really high corrosion resistance. It also takes and holds a great mirror-like finish longer and requires very minimal care.
What hardness is 440C stainless steel?
440C (UNS designation S44004) is a martensitic 400 series stainless steel, and is the highest carbon content from 400 stainless steel series. It is usually heat treated to reach hardness of 56–58 HRC. It is a bearing steel, and used in rolling contact stainless bearings, e.g. ball bearings and roller bearings.

IS 440C stainless steel magnetic?

Type 440C Stainless Steel is widely used in antifriction bearings, in valves and in many other applications where high hardness and reasonable corrosion resistance is required. This material is much more resistant to abrasion and wear than others stainless steel. sus440c is strongly attracted by a magnetic field.


Quality 440C Stainless Bar ASTM A276 SS Bar OD5 - 350mm  UNS S44004 Stainless Steel Rod for sale
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