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ASTM A193 Grade B8C Stud Bolt | UNS S34700 Specifications
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  • ASTM A193 Grade B8C Stud Bolt

    • ASTM A193 Grade B8C Stud Bolt

    347S31, BS2338, 1.4550, 347, S34700, X6CrNiNb18-10

    ASTM A193 Grade B8C Bolts are manufactured from 347 Stainless Steel in accordance with ASTM A193 specification. Torqbolt is a prominent A193 grade B8C bolt supplier in India

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    ASTM A193 Grade B8C Stud Bolt Properties

    ASTM A193 Grade B8C Stud Bolt Chemical Requirements

    Grade Description and UNS Designatio Classes C Mn P S Si Cr Ni Mo Cu CbF Ti V N
    ASTM A193 Grade B8C 347, S34700 1, 1A, 1D, 2 0.08 2.00 0.045 0.030 1.00 17.0-19.0 9.0-12.0 . . . . . . 10 x C to 1.10 . . . . . . . . .
    Product Analysis VariationB 0.01 0.04 0.010 0.005 0.05 0.20 0.15 . . . . . . 0.05 under . . . . . . . . .

    ASTM A193 Grade B8C Stud Bolt 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 B8C Class 1 All diameters carbide solution treated 75 30 30 50 223 HBW or 96HRBC
    ASTM A193 Grade B8C 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 B8C Class 1 All diameters carbide solution treated 515 205 30 50 223 HBW or 96HRBC
    ASTM A193M Grade B8C Class 2 M20 and under carbide solution treated and strain hardened 860 690 12 35 321 HBW or 35 HRC
    over M20 to M24, incl 795 550 15 35 321 HBW or 35 HRC
    over M24 to M30, incl 725 450 20 35 321 HBW or 35 HRC
    over M30 to M36, incl 690 345 28 45 321 HBW or 35 HRC

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