Wear Resistance 440C Stainless Steel Round Bar Hot Rolled Round Bar For Cutting Instruments

Brand Name:UST
Certification:ISO, BV, SGS, Mill Test Certificate
Minimum Order Quantity:MOQ: 1/ton
Delivery Time:5-8 work days
Payment Terms:L/C, T/T
Place of Origin:CHINA
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Location: Shanghai Shanghai China
Address: Room 1109, Loft Office, Green Land International Plaza, No. 275-8 Guoding East Road, Shanghai 200433, P.R. China. (admin(a)shunitesteel.com)
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Product Details

440C Stainless Steel Plate/steel bar/steel coil - UNS S44004


Type 440C is a martensitic stainless steel with high carbon and chromium content. After heat treatment, it is capable of attaining the highest strength, hardness and wear resistance of all stainless alloys. Compared to austenitic grades, 440C has moderate corrosion resistance, comparable to 304. This grade of stainless steel plate can be hardened through heat treatment, but machining is preferable in the annealed condition and becomes extremely difficult once hardened.

Highest resistance can be achieved through hardening and polishing, and the properties of 440C steel make it ideal for knife blades and cutting instruments like surgical blades. This grade, once hardened, hold a sharp edge and resists corrosion, and can be polished to a near mirror finish. Its toughness and ability to resist wear makes 440C stainless steel a good choice for tools like chisels and ball bearings.

Standard Inventory Specifications

  • UNS S44004
  • AMS 5630 Chem Only
  • ASTM: A480
  • SAE AMS 5630

Features

  • Hardenable chromium steel
  • High strength
  • High wear resistance

Inventory Size Range

  • Plate : 0.1875" - 2.500"

Please contact us for more details.

The technical data provided is for information only and not for design purposes. It is not warranted or guaranteed.

440C Chemical Composition

ElementPercent By Weight
CCarbon1.20
CrChromium18.0
MnManganese1.00
MoMolybdenum0.75
PPhosphorous0.04
SiSilicon1.00
SSulfur

0.30


Percent maximum unless a range is specified

Common Applications of 440C Stainless Steel Plate include:

  • Cutting Instruments
  • Knife Blades
  • Surgical Instruments
  • Chisels
  • Measuring instruments
  • Ball Bearings and Valves

PHYSICAL PROPERTIES


Density kg/mᶟ7650
Thermal Conductivity at 212°F (100°C)24.2
Thermal Conductivity at 932°F (500°C)-
Electrical Resistivity600
Elastic Modulus (Gpa)200

MECHANICAL PROPERTIES

ANNEALED

Yield Strength 0.2% Proof (Mpa)448
Tensile Strength (Mpa)75
Elongation (% in 50mm)14
Hardness (HB)269 max
China Wear Resistance 440C Stainless Steel Round Bar Hot Rolled Round Bar For Cutting Instruments supplier

Wear Resistance 440C Stainless Steel Round Bar Hot Rolled Round Bar For Cutting Instruments

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