Stainless Steel 309

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Harsh Steel

Siddhivinayak Co Op Hsg Soc(Durgadas Building), Shop No 3, Ground floor, Ardeshir Dadi cross Lane, Near CP Tank, Mumbai, Maharashtra - 400004, India

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Stainless Steel Alloy 309 UNS 30900 / 30908 Werkstoff 1.4828 :
Alloy 309 is an austenitic chromium-nickel stainless steel which has excellent heat-resisting properties. Alloy 309 has improved corrosion resistance and better creep strength than alloy 304. Alloy 309 is used in furnace parts, fire box sheets, high temperature containers and weld wire.

Specifications :

  • AMS 5523 Sheet / strip / plate
  • AMS 5574 Seamless tube
  • AMS 5650 Bar / tube / forgings
  • AMS QQ-A-793
  • ASTM A276 / ASME SA276
  • ASTM A479 / ASME SA479
  • ASTM A484 / ASME SA484
  • ASTM A314 / ASME SA314
  • ASTM A580 / ASME SA580
  • BS 970; 309S24
  • Werkstoff 1.4828
  • AFNOR Z15CN24-13
  • UNS 30900 (309)
  • UNS 30908 (309S)

Specifications

Carbon (C) 0.20 max%
Chromium (Cr) 22.00 - 24.00%
Manganese (Mn) 2.00 max%
Silicon (Si) 0.75 max%
Phosphorous (P) 0.45 max%
Sulphur (S) 0.03 max%
Nickel (Ni) 12.00 - 15.00%
Thickness of 309 Bars 3mm Up to 600mm
Length of 309 Bars 2mm to 6000mm
Tolerance of 309 Bars H8, H9, H10, H11, K12, Din 1013, A484, Grit 240 & 320


Stock availability of contact Sales

Grade US Aerospace/Military US Commercial British Specification European Specification Other
309 AMS 5523 Sheet / strip / plate
AMS 5574 Seamless tube
AMS 5650 Bar / tube / forgings
AMS QQ-A-793
ASTM A276 / ASME SA276
ASTM A479 / ASME SA479
ASTM A484 / ASME SA484
ASTM A314 / ASME SA314
ASTM A580 / ASME SA580
BS 970; 309S24 Werkstoff 1.4828
AFNOR Z15CN24-13
UNS 30900 (309)
UNS 30908 (309S)

Technical Data Sheet

Weight % C P Si Ni Mn S Cr Fe Mo Cu
Alloy 309 0.08 max 0.040 max 1 max 43814 2 max 0.030 max 22-24 Bal 0.75 max 0.75 max

Typical Mechanical Properties

Condition Ultimate Tensile Strength (MPa) Yield Strength 0.2% (MPa) Elongation 2" (%) Reduction of Area (%) Rockwell B Hardness S Cr Fe Mo Cu
Alloy 309 round bar 1" annealed 1950°F, water quench 620 276 50 77 83 0.030 max 22-24 Bal 0.75 max 0.75 max



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