ASTM A193 Grade B8MLNA Stud Bolts | UNS S31653 Specifications

ASTM A193 Grade B8MLNA Stud Bolts

1.4311, 304LN, S31653, X2CRNIN18-10

ASTM A193 Grade B8MLNA Bolts are manufactured from 304 Stainless Steel in accordance with ASTM A193 specification. Torqbolt is a prominent A193 gr B8MLNA bolt supplier in India.

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ASTM A193 Grade B8MLNA Stud Bolts Properties

ASTM A193 Grade B8MLNA Stud Bolts Chemical Requirements

Austenitic Steels

Grade Description and UNS Designation Classes C Mn P S Si Cr Ni Mo Cu CbF Ti V N
ASTM A193 Grade B8MLN S31653 1, 1A, 1D 0.030 2.00 0.045 0.030 1.00 16.0-18.0 10.0-13.0 2.00-3.00 . . . . . . . . . . . . 0.10-0.16
Product Analysis VariationB 0.005 0.04 0.010 0.005 0.05 0.20 0.15 0.10 . . . . . . . . . . . . 0.01

ASTM A193 Grade B8MLNA 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 B8MLCuNA Class 1A All diameters carbide solution treated in the finished condition 75 30 30 50 192 HBW or 90 HRB

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 B8MLCuNA All diameters Class 1A All diameters carbide solution treated in the finished condition 515 205 30 50 192 HBW or 90 HRB

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