440C Stainless Steel Bar

440C stainless steel, as a high carbon martensitic stainless steel, is widely favored for its high strength, moderate corrosion resistance, and good hardness and wear resistance. It has the property to achieve the highest strength, hardness and wear resistance of all the stainless alloys after heat treatment.

PRODUCT DESCRIPTION


440C Stainless Steel Bar Description

440C stainless steel bar has good cutting and wear resistance with its high carbon content. Besides, it has excellent corrosion resistance and is resistant to the erosion of a range of chemical corrosive media. Owing to its high carbon content, 440C has excellent hardness. Heat treatment and quenching gives it brilliant cutting ability and wear resistance. In addition, there is a high chromium content in the chemical composition of 440 C stainless steel bars, which accounts for its excellent corrosion resistance in most acidic and alkaline environments. So 440C stainless steel bars are a very ideal choice for high-end manufacturing fields such as aerospace, mechanical manufacturing, electronic equipment and medical devices.


Product Parameters

Product Name 440C Stainless Steel Bar
TypeSteel Bar
Outer DiameterRound Bar4mm-500mm
Hexagon Bar18mm-57mm (11/16″ to 2-3/4″)
Square Bar18mm-47mm (11/16″ to 1-3/4″)
Flat Steel1/2 "to 10", Thickness: 2mm-150mm, Can provide customized
Length1-6 meters, Length can be customized
StandardASTM, AISI, JIS, GB, DIN, EN, etc.
SurfaceBlack, Bright Polished, Rough Turning, Mattness Surface Treatment, No. 4. BA, etc.
Scope of ApplicationStainless steel bars are used in a variety of industries such as shipbuilding,

Defense, Automotive, Textiles, Paper and pulp, Manufacturing, Cement,

Heavy earthmoving equipment and construction, etc.

Chemical Composition

CSiMnCrSP
0.95~1.20≤ 1.0≤ 1.016.0～18.0≤ 0.03≤ 0.04

Mechanical Properties

Tensile Strength Kb (MPa)Yield Strength σ0.2 (MPa)Elongation D5 (%)Hardness
≥560≥205≥ 18≤ 250HB

Physical Performance

Density(g/cm³)Modulus of Elasticity(Gpa)Coefficient of Thermal Expansion(10-6/°C)Coefficient of Thermal Conductivity(W/m*K)Resistivity(ΜΩ. cm)
7.9919316.016.27.4


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