ASTM A320 Grade B8TA Stud Bolts | UNS S32100 Specifications

ASTM A320 Grade B8TA Stud Bolts

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

A320 Grade B8TA Stud Bolts are manufactured from 321 Stainless Steel in accordance with ASTM A320 specification. Torqbolt is a prominent A320 Grade B8TA Stud Bolt supplier in India.

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#ASTM A320 Grade B8TA Stud Bolts Properties

ASTM A320 Grade B8TA Stud Bolts Chemical Requirements

Austenitic Steels

Grade Symbol UNS Designation C, max Mn, max P, max S, max Si, max Ni Cr Mo Se Ti N Nb E + Ta
ASTM A320 B8TA S32100(321) Range,% 0.08 2.00 0.045 0.030, max 1.00 9.0- 12.0 17.0- 19.0 ... ... 5 × (C+N) min -0.7 max 010, max ...
Product Variation, % Over or Under 0.01 over 0.04 over 0.010 over 0.005 over 0.05 over 0.15 0.20 ... ... 0.05 under 1 ...

ASTM A320 Grade B8TA Stud Bolts Mechanical Requirements

Austenitic Steels

Grade and Class Diameter, in. [mm] Heat Treatment Minimum Tempering Temperature, °F [°C] Tensile Strength, min, ksi [MPa] Yield Strength, min, ksi [MPa] (0.2 % offset) Elongation in 2 in. or 50 mm, min, % Reduction of Area, min, % Hardness, max
ASTM A320 B8TA Class 1A All diameters carbide solution treated in the  finished condition ... 75 [515] 30 [205] 30 50 192 HBW or 90  HRB

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