ASTM A320 Grade B8MLNA Stud Bolts | UNS S31653 Specifications

ASTM A320 Grade B8MLNA Stud Bolts

316S61, 1.4406, 316LN, S31653, X2CRNIMON17-11-2

A320 Grade B8MLNA Stud Bolts are manufactured from 316 Stainless Steel in accordance with ASTM A320 specification. Torqbolt is a prominent A320 Grade B8MLNA Stud Bolt supplier in India.

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ASTM A320 Grade B8MLNA Stud Bolts Properties

ASTM A320 Grade B8MLNA 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 B8MLNA S31653 Range,% 0.030 2.00 0.045 0.030 1.00 10.0-13.0 16.0-18.0 2.00-3.00 ... ... 0.10-0.16 ...
Product Variation, % Over or Under 0.005 over 0.04 over 0.010 over 0.005 over 0.05 over 0.15 0.20 0.10 ... ... 0.01 ...

ASTM A320 Grade B8MLNA 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 B8MLNA 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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