ASTM A193 Grade B8MLCuNA Stud Bolts

1.4547, S31254, X1CRNIMOCUN20-18-7

ASTM A193 Grade B8MLCuNA Bolts are manufactured from 254 Smo Stainless Steel in accordance with ASTM A193 specification. Torqbolt is a prominent A193 gr B8MLCuNA bolt supplier in India.

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254 Smo Hex Bolts 254 Smo Stainless Fasteners 254 Smo SS Forgings 254 Smo Stainless Steel Hex Nuts 254 Smo Stainless Steel Screws 254 Smo Stainless Threaded Rod 254 Smo Stainless Steel Washers Astm A193 Grade B8Mlcun Class 2 Bolts Astm A193 Grade B8Mlcuna Bolts Astm A194 Grade 8Mlcun Nuts Astm A194 Grade 8Mlcuna Nuts 1.4547 Nuts

ASTM A193 Grade B8MLCuNA Stud Bolts Properties

ASTM A193 Grade B8MLCuNA Stud Bolts Chemical Requirements

Austenitic Steels

Grade	Description and UNS Designatio	Classes	C	Mn	P	S	Si	Cr	Ni	Mo	Cu	Cb^F	Ti	V	N
ASTM A193 Grade B8MLCuNA	S31254	1A, 1B, 1D, 2	0.020	1.00	0.030	0.010	0.80	19.5-20.5	17.5-18.5	6.0-6.5	0.50-1.00	. . .	. . .	. . .	0.18-0.25
ASTM A193 Grade B8MLCuNA	Product Analysis Variation^B	1A, 1B, 1D, 2	0.005	0.03	0.005	0.002	0.05	0.20	0.15	0.10	. . .	. . .	. . .	. . .	0.02

ASTM A193 Grade B8MLCuNA Stud Bolts Mechanical Requirements

Austenitic Steels (Inch)

Grade	Diameter, in.	Heat Treatment^B	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 Treatment^B	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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