ASTM A320 Grade B8FA, 303 Stainless Steel, Square, Hex Bolts, Hex Cap Screws, Lag Screws, Hex Socket and Spline Socket Screws, Socket Head Cap Screws, ASME B18.2.1, B18.2.3, B18.3, B18.31.3, B1.1, Inch, Metric Threads

ASTM A320 Grade B8FA, 303 Stainless Steel, Square, Hex Bolts, Hex Cap Screws, Lag Screws, Hex Socket and Spline Socket Screws, Socket Head Cap Screws, ASME B18.2.1, B18.2.3, B18.3, B18.31.3, B1.1, Inch, Metric Threads

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ASTM A320 Grade B8FA Bolts are manufactured from 303 Stainless Steel in accordance with ASTM A320 specification. Torqbolt is a prominent A320 gr B8FA bolt supplier in India.

Type 303 Stainless Steel

Austenitic Steel

Carbide Solution Treated in finished condition

– Finish: Pickling and Passivation

– Compatible Fasteners: A194 Gr.8fa Nut | 303 Stainless Steel Washers

– Marking: TorqBolt B8FA

– Type: Cold Forged, Hot Forged, Bar Stock Machined

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Product Features

DimensionsASME B18.2.1, B18.2.3, B18.3, B18.31.3
ThreadsUnless otherwise specified, the threads shall be rolled or cut at the option of TorqBolt
Threads ConfigurationASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads
Melt OriginIndia
Product OriginMade in India
CertificationDual Certified As per ASTM & ASME Codes
Additional CertificationsPED 97/23/EC Certified, Merkblatt AD 2000 W10 Certified
Additional RequirementsNACE MR0103/MR0175/ISO 15156 Compliance
Mandatory RequirementsFree from Mercury & Radioactive Contamination

ASTM A320 Grade B8FA Studs Specification

AISI 303 is most easily machinable Steel of all austenitic grades of stainless steel. This property is due to presence of sulphur in the steel composition, as the sulphur content improves machining, decreases corossion resistance although it remains good in mild environment and reduces the toughness. It is not advisable to use it in marine environments. It has good oxidation resistance when it is exposed to higher temperatures as 760 Degrees celcious. however, it starts to show carbide precipitation at prolonged exposure to higher temperatures. It is easily cold worked, however sharp bending is not advisable.

ASTM A320 Grade B8FA Stud Bolts Properties

Chemical Mechanical Physical Heat Treatment

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ADDITIONAL INFORMATION

TorqBolt is a well known stockist of Pitch Dia ASTM A320 Grade B8FA Round Bars from ¼”-4” & 6mm – 100mm in 1 meter, 3 meter & 6 Meter lengths. All Threaded Bars are Magnetic Particle Examined in accordance with ASTM E 709 with Indications & Cracks within 3% of The Diameter as specified in ASTM A320 Specification .

Surface Discontinuity: ASTM A193 / A320 / F593 / F594 / A638 Bolts, Nuts & threaded rods are manufactured in accordance with surface discontinuities acceptable as per ASTM F788/F788M Specification.