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ASTM A320 Grade B8A Stud Bolts | UNS S30400 Specifications
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  • ASTM A320 Grade B8A Stud Bolts

    • ASTM A320 Grade B8A Stud Bolts

    304S31, BS2332, 1.4301, 304, S30400, X5CRNI18-10

    ASTM A320 Grade B8A Bolts are manufactured from 304 Stainless Steel in accordance with ASTM A320 specification. Torqbolt is a prominent A320 gr B8A bolt supplier in India.

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    ASTM A320 Grade B8A Stud Bolts Properties

    ASTM A320 Grade B8A 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 B8A S 30400(304) Range,% 0.08 2.00 0.045
    0.030    		 1.00 8.0-11.0 18.0 - 20.0 ... ... ... ... ...
    Product Variation, % Over or Under 0.01 over 0.04 over 0.010 over 0.005 over 0.05 over 0.15 0.20 ... ... ... ... ...

    ASTM A320 Grade B8A 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 B8A: 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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