ASTM A193 Grade B8T Stud Bolts | UNS S32100 Specifications

ASTM A193 Grade B8T Stud Bolts

321S31, BS2337, 1.4541, 321, S32100, X6CRNITI18-10

ASTM A193 Grade B8T Bolts are manufactured from 321 Stainless Steel in accordance with ASTM A193 specification. Torqbolt is a prominent A193 gr B8T bolt supplier in India.

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ASTM A193 Grade B8S Stud Bolts Properties

ASTM A193 Grade B8S Stud Bolts 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 B8T 321, S32100 1, 1A, 2 0.08 2.00 0.045 0.030 1.00 17.0-19.0 9.0-12.0 . . . . . . . . . 5 x (C + N) to 0.70 . . . 0.10
Product Analysis VariationB 0.01 0.04 0.010 0.005 0.05 0.20 0.15 . . . . . . . . . 0.05 under . . . . . .

ASTM A193 Grade B8S Stud Bolts 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 B8T Class 1 All diameters carbide solution treated 75 30 30 50 223 HBW or 96HRBC
ASTM A193 Grade B8T Class 2 3/4 and under carbide solution treated and strain hardened 125 100 12 35 321 HBW or 35 HRC
over 3/4 to 1, incl 115 80 15 35 321 HBW or 35 HRC
over 1 to 11/4 , incl 105 65 20 35 321 HBW or 35 HRC
over 11/4 to 11/2 , incl 100 50 28 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 B8T All diameters Class 1 All diameters carbide solution treated 515 205 30 50 223 HBW or 96HRBC

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