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Corrosion-resistant 440C Stainless Steel Flat Bar/Rod
440C Stainless steel flat bar/rod is a high carbon martensitic stainless steel bar known for its excellent hardness, wear resistance and corrosion resistance. Its high carbon content (about 1.0%) and chromium content (about 16-18%) enable it to achieve extremely high hardness (HRC 58-60) after heat treatment while maintaining good corrosion resistance and wear resistance.
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Product Description

440C Stainless steel flat bar/rod is a high carbon martensitic stainless steel bar known for its excellent hardness, wear resistance and corrosion resistance. Its high carbon content (about 1.0%) and chromium content (about 16-18%) enable it to achieve extremely high hardness (HRC 58-60) after heat treatment while maintaining good corrosion resistance and wear resistance.


440C stainless steel flat bar/rod is suitable for manufacturing high-precision knives, bearings, molds, surgical instruments and other parts that require high hardness and wear resistance. In addition, its excellent polishing properties enable it to achieve a mirror effect, which is widely used in precision machinery, medical equipment and high-end industrial fields. It is a high-performance and versatile material choice.


Product Parameters


Product Name

440C Stainless Steel Bar/Rod

Type

Steel Bar/Rod

Outer Diameter

Round Bar

4mm-500mm

Hexagon Bar

18mm-57mm (11/16″ to 2-3/4″)

Square Bar

18mm-47mm (11/16″ to 1-3/4″)

Flat Steel

1/2 "to 10", Thickness: 2mm-150mm, Can provide customized

Length

1-6 meters, Length can be customized

Standard

ASTM, AISI, JIS, GB, DIN, EN, etc.

Surface

Black, Bright Polished, Rough Turning, Mattness Surface Treatment, No. 4. BA, etc.

Scope of Application

Stainless 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


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