AS 9100 C / ISO 9001:2008
Certificate of Registration

Email:
info@progressivealloy.com

View Certificate
AS 9100C Certification

Typical Applications

  • Balls
  • Bearings
  • Races
  • Nozzles
  • Oil well pump parts
  • Valve parts
  • Cams
  • Aircraft parts

Stainless Steel 440C in bar

GRADE STAINLESS STEEL 440C | AISI 440C | UNS S44004

Stainless Steel 440C is a high carbon chromium stainless steel. It has great corrosion resistance when hardened. It shows great resistance to wear and abrasion. It is magnetic in all conditions and yields the highest hardnesses of hardenable stainless steels.

440C Bearing Quality (BQ) is a Martensitic stainless steel with high strength, corrosion resistance and hardness obtained by low temperature heat treatment.

Chemistry (range or maximum in %)

Grade C MN S NI CR Other
440C .95/1.20 1.00 0.03 0.75 16.00/18.00 Mo .40/.65
Cu .50
440C BQ

 

Grade 440C Bar Properties

Grade Shape Size Range Tensile KSI Elongation % Red. of area % Brinell Hardness Relative Machinability * Specification
440C Rounds 1/4" - 8" 110 65 14 25 230 40% AMS 5630/ASTM A-276
440C BQ Rounds 1/2" - 6" - - - - - - -

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South Carolina Office
Progressive Alloy Steels Unlimited
2217 Bobo Newsome Hwy
Hartsville, South Carolina 29551
Map & Driving Directions

Telephone:
800.798.5619 or 843.383.2182

Fax:
843.383.2183

Las Vegas Office
Progressive Alloy Steels Unlimited
6180 N. Hollywood Blvd, Suite 102
Las Vegas, Nevada 89115
Map & Driving Directions

Telephone:
800.798.5619 or 702.405.2710

Fax:
702.405.2714

Connecticut Office
Progressive Alloy Steels Unlimited
322 Main St. Ste. 1S
Williamantic, CT. 06226
Map & Driving Directions

Telephone:
860.455.2191

Fax:
860.455.2109