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

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

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

Products Stainless Steel Bar
Grade 440B
Diameter 5 - 350mm
Length 6m or custom cutting any length as request
Finishing Bright Bar / Black Surface
Heat Treatment Solid Solution , ageing
Surface Process Polishing , 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
MOQ 500 Kgs
Loading Port Shanghai Port
Processing Cutting
Packing Wooden 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 % C S Cr Mo Vanadium Fe
CHRONIFER M-17B 0.85-0.95 0.03 max 17-19 0.90-1.30 0.07-0.12 Rem
Other Chemically similar Specifications
Weight % C S Cr Mo Vanadium Fe
WS 1.4112 0.85-0.95 0.03 max 17-19 0.90-1.30 0.07-0.12 Rem
X 90 CrMoV 18 0.85-0.95 0.03 max 17-19 0.90-1.30 0.07-0.12 Rem
AISI 440B~ 0.85-0.95 0.03 max 17-19 0.90-1.30 0.07-0.12 Rem

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

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