316 Stainless Steel Fasteners | ASTM A193 UNS 31600 Specifications

316 Stainless Steel Fasteners

316S31, BS2347, 1.4401, 316, S31600, X5CRNIMO17-12-2

316 Stainless Steel Fasteners are austenitic stainless steel fasteners manufactured from alloy containing chromium, nickel, molybdenum and nitrogen with restricted carbon content. Stainless Steel 316 Fasteners are used for corrosive environments. TorqBolt is an eminent 316 stainless steel fastener supplier in India.

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SS 316 Bolts SS 316 Fasteners 316 SS Forgings 316 Stainless Steel Hex Nuts Type 316 Stainless Steel Screws 316 Springs Type 316 Stainless Threaded Rod 316 Stainless Washers A4 70 Stud Bolts A4 80 Studs Astm A193 Grade B8M Class 1 Bolts Astm A193 Grade B8M2 Stud Bolts Astm A193 Grade B8M3 Class 2 Bolts Astm A193 Grade B8Ma Bolts Astm A194 Grade 8M Nuts Astm A194 Grade 8Ma Hex Nuts Astm A320 Grade B8M Stud Bolts Astm A320 Grade B8Ma Bolts Astm F594 Type 316 Nuts Astm F594H Stainless Steel Nuts Astm F593 Type 316 Bolts Astm F593 Type 316 Screws 1.4401 Stud Bolts

316 Stainless Steel Fasteners Properties

316 Stainless Steel Fasteners Chemical Requirements

Austenitic Steels

Grade Description and UNS Designatio Classes C Mn P S Si Cr Ni Mo Cu CbF Ti V N
ASTM A193 Grade B8M, B8MA 316, S31600 1, 1A, 1D, 2 0.08 2.00 0.045 0.030 1.00 16.0-18.0 10.0-14.0 2.00-3.00 . . . . . . . . . . . . . . .
Product Analysis VariationB 0.01 0.04 0.010 0.005 0.05 0.20 0.15 0.10 . . . . . . . . . . . . . . .

316 Stainless Steel Fasteners Mechanical Requirements

Austenitic Steels (Inch)

Grade Diameter,
in.
Heat TreatmentB Tensile Strength,
min, ksi
Yield Strength, min,
0.2 % offset, ks
Elongation in 4 D,min Reduction of Area,min Hardness,
max
ASTM A193 Grade B8M All diameters carbide solution treated 75 30 30 50 223 HBW or 96 HRBC
ASTM A193 Grade B8M 3/4 and under carbide solution treated and strain hardened 110 95 15 45 321 HBW or 35 HRC
over 3/4 to 1 incl 100 80 20 45 321 HBW or 35 HRC
Over 1 to 11/4 , incl 95 65 25 45 321 HBW or 35 HRC
over 11/4 to 11/2 , incl 90 50 30 45 321 HBW or 35 HRC

Austenitic Steels (Metric)

Grade Class ,
mm
Diameter Heat TreatmentB Tensile Strength,
min,MPa
Yield Strength, min,
0.2 % offset, MPa
Elongation in 4 D,min % Reduction of Area,min % Hardness,
max
ASTM A193M Grade B8MA All diameters carbide solution treated in the finished condition 515 205 30 50 192 HBW or 90 HRB
ASTM A193M Grade B8M M20 and under carbide solution treated and strain hardened 760 655 15 45 321 HBW or 35 HRC
over M20 to M24, incl 690 550 20 45 321 HBW or 35 HRC
over M24 to M30, incl 655 450 25 45 321 HBW or 35 HRC
over M30 to M36, incl 620 345 30 45 321 HBW or 35 HRC

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