ASTM A193 GR. 347 (UNS S34700) threaded fasteners are stainless steel.
SS 347 Grade is corrosion resistance. and it is resistance in strong oxidizing conditions than 321 (UNS S32100).
Stainless steel 347 grade has excellent resistance to corrosion . The alloy has good oxidation resistance and creep strength to 1500°F (816°C). And It also possesses good low temperature toughness.
Alloy 347H (UNS S3409) is the higher carbon (0.04 – 0.10) version of the alloy.
Stainless steel 347 can be hardened by cold working. And It can be easily welded.
Applications:
• Chemical Processing equipments.
• Food Processing—equipment and storage.
• Petroleum Refining—fluid catalytic cracking units.
• Waste Heat Recovery
Aanuraj Fasteners Pvt Ltd manufactures Hex Bolts Nuts and washers from Gr. 347 materials with confirm test report of specification of chemical and physical properties.
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