ASTM A320 Grade B8CA Stud Bolts

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

A320 Grade B8CA Stud Bolts are manufactured from 347 Stainless Steel in accordance with ASTM A320 specification. Torqbolt is a prominent A320 gr B8CA Stud bolt supplier in India.

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Type 347 Stainless Steel Bolts 347 SS Fasteners 347 Stainless Steel Forgings 347 SS Nuts SS 347 Screws 347 Stainless Steel Stud Bolts 347 Stainless Steel Washers Astm A193 Grade B8C Class 2 Bolts Astm A193 Grade B8Ca Stud Bolts Astm A194 Grade 8C Heavy Hex Nuts Astm A194 Grade 8Ca Nuts Astm A320 Grade B8C Class 1 Bolts Astm A320 Grade B8Ca Bolts 1.4550 Fasteners

ASTM A320 Grade B8CA Stud Bolts Properties

ASTM A320 Grade B8CA 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 B8CA	S34700(347)	Range,%	0.08	2.00	0.045	0.030	1.00	9.0- 12.0	17.0- 19.0	...	...	...	...	10 × C content, min -1.10 max
ASTM A320 B8CA	S34700(347)	Product Variation, % Over or Under	0.01 over	0.04 over	0.010 over	0.005 over	0.05 over	0.15	0.20	...	...	...	...	0.05 under

ASTM A320 Grade B8CA 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 B8CA 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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