REPUTE STEEL ENGINEERING COMPANY | Manufacturer & Exporter in India

Duplex & Super Duplex Fasteners

Repute Steel & Engineering Company is a leading manufacturer and exporter of premium Duplex & Super Duplex Fasteners in India. Our fasteners are engineered to deliver exceptional corrosion resistance, strength, and durability, making them ideal for demanding applications in marine, offshore, and chemical environments.


Specification of Duplex & Super Duplex Fasteners


Standard ASTM / ASME / BS / DIN / JIS / BS EN ISO / IS
Material Duplex & Super Duplex Stainless Steel (e.g., UNS S31803, UNS S32750)
Size Range M6 to M100 in metric series, ¼” to 4” in imperial.
Strength Grades Typically higher than standard stainless steel grades (e.g., 1.4462, 1.4501)
Head Styles Hexagonal, square, slotted, Phillips, Torx, and more.
Thread Types Coarse, fine, metric, UNC, UNF, and more.
Finishes Bare, galvanized (hot-dip or electro), zinc-plated, cadmium-plated, powder-coated, and more.

Duplex & Super Duplex Fasteners

Our Duplex & Super Duplex Fasteners are engineered to provide exceptional corrosion resistance and mechanical properties, making them ideal for applications in harsh environments such as marine, offshore, chemical processing, and pulp and paper industries.


Coating Options

  • Electro Galvanized
  • Hot Dip Galvanized
  • Black
  • Dracomet
  • Zinc Plated
  • PTFE
  • Yellow
  • TIN
  • Client Specific Requirements

Stainless Steel Anchor Bolts

ASTM / ASME A 193 B 8 ( 304 )
B 8C ( SS 347 )
B 8M ( SS 316 )
B 8 T( SS 321 ), A 2 , A 4 // ASTM / ASME A 194 B 8 ( 304 ) , B 8C ( SS 347 ) ,B 8M ( SS 316 ) ,B 8T ( SS 321 )
AISI 202, 304, 304L, 316, 316L, 310, 410, 420 Etc.
: 4.6, 5.6, 6.6, 8.8, 10.9 & 12.9 / 'R', 'S', 'T' Conditions. .


Stainless Steel Anchor Bolts

ASTM / ASME A 193 B 6, B 7/ B 7M , B 16// ASTM / ASME A 194 GR. 2 , 2 HM , 2H , GR 6 , B 7 , B 7M.
Bare Condition, Galvanized, Phosphetised, Cadmium Plated,


Nickel Alloy Anchor Bolts

ASTM / ASME SB 160 UNS 2200 ( NICKEL 200 ) / UNS 2201 (NICKEL 201 )
ASTM / ASME SB 164 UNS 4400 (MONEL 400 )
ASTM / ASME SB 425 UNS 8825 (INCONEL 825)
ASTM / ASME SB 166 UNS 6600 (INCONEL 600 ) / UNS 6601 ( INCONEL 601 ) ASTM / ASME SB 446 UNS 6625 (INCONEL 625)
ASTM / ASME SB 574 UNS 10276 ( HASTELLOY C 276 )
ASTM / ASME SB 472 UNS 8020 ( ALLOY 20 / 20 CB 3 ).


Coating

  • Electro Galvanized
  • Hot Dip Galvanized
  • Black
  • Dracomet
  • Zinc Plated
  • PTFE
  • Yellow
  • TIN
  • Client Specific Requirements