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Hot Rolled AOD 440B Stainless Steel Round Bar High Hardness Stainless Steel Bars in 6m Length

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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Hot Rolled AOD 440B Stainless Steel Round Bar High Hardness Stainless Steel Bars in 6m Length

Hot Rolled AOD 440B Stainless Steel Round Bar High Hardness Stainless Steel Bars in 6m Length

ProductsStainless Steel Bar
Grade440B
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

About 440B Stainless Steel
It is a high carbon, martensitic stainless steel product with good overall strength and moderate corrosion resistance in the hardened and tempered condition. The alloy must be free of scale and foreign particles if optimum corrosion resistance is to be achieved. 440B annealed product also offers similar machining characteristics when compared with high speed annealed steel grades. With such excellent hardness, the alloy also promotes good wear resistance. A hardness value of 60 HRC is achievable after heat treatment.

Technical Data Sheet

Chemical Composition Limits
Weight %CSCrMoVanadiumFe
CHRONIFER M-17B0.85-0.950.03 max17-190.90-1.300.07-0.12Rem
Other Chemically similar Specifications
Weight %CSCrMoVanadiumFe
WS 1.41120.85-0.950.03 max17-190.90-1.300.07-0.12Rem
X 90 CrMoV 180.85-0.950.03 max17-190.90-1.300.07-0.12Rem
AISI 440B~0.85-0.950.03 max17-190.90-1.300.07-0.12Rem

Alloy 440B Stainless Steel is a high carbon chromium steel which is manufactured in rod, bar and coil. (AISI 440B ~ Stainless Steel).


Material Properties
This steel is designed to provide stainless properties with excellent hardness. In some respects it behaves similarly to tool steel. Chronifer M 17B resists corrosion from mild atmospheres, fresh water steam, ammonia, many petroleum products and organic materials and several mild acid environments.


Availability

  • Bars Ø5-50mm: Cold drawn and polished
  • Bars Ø 10.00-350mm: Cold drawn, ground and polished
  • Bars Length : 2m- 6m. Surface roughness N5-N6

Standard Tolerances

  • Diameter: 5-350mm
  • Out of roundness/cylindricity :1/2 of dia tolerance
  • Tolerance in length : +50/-0mm

Corrosion Resistance
This grade is used in the hardened and tempered condition for a good corrosion resistance. For optimum, corrosion resistance, surfaces must be free of scale and foreign particles.


Heat Treatment

  • Soft annealing: 750-800ºC
  • Slow furnace cooling (2-4 hours)
  • Hardening: 1000-1080ºC
  • Max obtainable hardness 57-59 HRC

Cutting Rate
20-35m/min (approx value, depending on the lubrication oil, the cutting tools, the shape of parts)


Stock Range
Standard dimensions from Ø 0.80 to 24.00mm with many intermediate dimensions.

TYPICAL APPLICATIONS

Commercial applications for this engineering material include:

  • Valve seats
  • Cutting tools and knife blades
  • Bearings
  • Surgical instruments
Quality Hot Rolled AOD 440B Stainless Steel Round Bar High Hardness Stainless Steel Bars in 6m Length for sale
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