309 Stainless Steel Fasteners | ASTM F2281 UNS 30909 Specifications

309 Stainless Steel Fasteners

1.4833, 309, S30909, X7CrNi23-14

309 Stainless Steel Fasteners are austenitic stainless steel fasteners manufactured from alloy containing chromium and nickel. 309 Stainless Steel Fasteners are used for low temperature service and highly corrosive environments. TorqBolt is an eminent 309 Stainless Steel Fasteners supplier in India.

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309 Stainless Steel Bolts 309 Stainless Steel Bolts And Nuts 309 Stainless Forgings 309 SS Nuts SS 309 Screws Type 309 Stainless Threaded Rod 309 SS Washers 1.4828 Bolts

309 Stainless Steel Fasteners Properties

309 Stainless Steel Fasteners Classfication

Alloy Grade UNS Designation
ASTM F2281 309 Type II S30900

309 Stainless Steel Fasteners Chemical Requirements

Alloy C Mn P S Si Cr Ni Cu Mo Other
ASTM F2281 309 Type II 0.20 2.00 0.045 0.030 1.00 22.0-24.0 12.0-15.0 . . . . . . . . .

309 Stainless Steel Fasteners Mechanical Requirements

Alloy Grades Condition Marking Nominal Diameter, in. Full-Size Tests Rockwell Hardness Machined Specimen Tests
Tensile Strength, min, ksi Yield Strength, min, ksi Tensile Strength, min, ksi Yield Strength, min, ksi Elongation 4D, min %
ASTM F2281 309, 310 Type II, Class A A F2A All diameters 75 30 85 to 95 HRB 75 30 30
CWA F2B All diameters 75 30 65 to 95 HRB 75 30 30
HWA F2C All diameters 75 30 65 to 95 HRB 75 30 30

309 Stainless Steel Fasteners Heat Treatment

Alloy Grade Safe Scaling Temperature at Continuous Service Application Safe Scaling Temperature at Continuous Service Application
ASTM F2281 309 Type II 2000°F (1093°C) 1850°F (1010°C)

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