ASTM A320 Grade B8PA Stud Bolts

1.4303, 305, S30500, X4CRNI18-12

ASTM A320 Grade B8PA Bolts are manufactured from 305 Stainless Steel in accordance with ASTM A320 specification. Torqbolt is a prominent A320 gr B8PA bolt supplier in India.

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ASTM A320 Grade B8PA Stud Bolts Properties

ASTM A320 Grade B8PA 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 B8PA	S 30500	Range,%	0.12	2.00	0.045	0.030, max	1.00	11- 13.0	17.0- 19.0	...	...	...	...	...
ASTM A320 B8PA	S 30500	Product Variation, % Over or Under	0.01 over	0.04 over	0.010 over	0.005 over	0.05 over	0.15	0.20	...	...	...	...	...

ASTM A320 Grade B8PA 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 B8PA : 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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