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  • ISO, PED & IBR Approved Manufacturer for Stainless Steel and Nickel Alloy Flange & Fittings in India

Fasteners

Fasteners

Rio Engineering are leading manufacturers of flanges and Pipe Fittings from Mumbai, Maharashtra, India. We manufacture FORGE FITTINGS – Forged BOSS as per International standard and material Grad. These products are available in various sizes, shapes, and designs as per the specific requirements of our clients.

Rio Engineering is a manufacturer, Stockiest and Exporter of Premium quality treaded boss, stainless steel flanges, and stainless steel pipe fittings that are manufactured under the expert guidance of our diligent workforce. Our ASME B16.11 / BS3799 forged boss and other fitting products are manufactured by using quality material and a quality check process. Designed in compliance with international quality standards which are corrosion resistance, sturdy and durable.

Fasteners Specification

Specifications ASTM A 193 / ASME SA 193
Standard DIN, ISO, JIS, GB, IS, BS, ASTM
Size M0.2 to M33 | 3/6" to 2" | Custom Sizes
Length 3 mm to 200 mm | Custom Sizes
Dimensions DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Form Hex, Threading, Square, Round as per Gauge Etc.
Threads Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or
vertically
Threads available UNF, BSW, BSF, METRIC, UNC, or as required
Threads Configuration ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Certification Dual Certified As per ASTM & ASME Codes
Test Certificate As per EN 10204 / 3.1 Manufacturer Test Certificate, PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
Raw materials Source JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin,etc.
Packing IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request
Surface Coating Cadmium Coating
Hot Dipped Galvanizing Coating
Ptfe Coated Nickel Alloy 200 Fasteners
Phosphate Coating
Teflon Coating
Xylon Coating
Zinc Coating

Types of Fasteners

Bolt
Screw
Nut

Washers
Anchor Fasteners
Stud

Material & Grade

Stainless Steel ASTM A193 202, 304, 304L, 304H, 316, 316Ti, 316H, 316L, 316LN, 309S, 309H, 310S, 310H,317, 317L, 321, 321H, 347, 347H, 201, 202, 904L
Duplex Steel ASTM A182 UNS F 44, F 45, F51, F 53, F 55, F 60, F 61
Super Duplex Steel ASTM A193 / ASTM A194 UNS NO. S32750 / S32760 / S32950
Carbon Steel ASTM / ASME A 105, A53 GR B, A106GR B, API5L GRADE B, API 5L, GRX42 / 46 / 52 / 56 / 60 / 65 / 70, A333 GR 1/GR 3/GR 6, A/SA 672 GR 8C60/C70 etc..
Alloy Steel ASTM / ASME A193, A194 GR F 5, F 9, F 11, F 12, F 22, F 91.
Nickel Alloy ASTM / ASME SB 163 / 165 / 167 / 464/ 517 / 619 / 622 / 626 Nickel 200 (N02200), Nickel 201 (N02201), Nickel 205 (N02205)
Monel ASTM / ASME SB 163 / 167 / 517 / 704 / 705 Monel 400 (UNS N04400), Monel K500 (UNS N05500)
Inconel ASTM / ASME SB 163 / 167 / 517 / 704 / 705 Inconel 600, Inconel 601, Inconel 625, Inconel 625LCF, Inconel 686, Inconel 718, Inconel 800, Inconel 825, Inconel X-750, Incoloy 800, incoloy 825, Incoloy 925, Incoloy a-286
Hastelloy ASTM / ASME SB 163 / 167 / 517 / 704 / 705 Hastelloy C22, Hastelloy C276, Hastelloy C4, Hastelloy B2, Hastelloy C-2000
Cupro Nickel Alloy ASTM SB61, SB62, SB151, SB152 UNS No. C70600 (Cu-Ni 90/10), C71500 (Cu-Ni 70/30), UNS No. C10100, 10200, 10300, 10800, 12000, 12200

Equivalents of grade Fasteners

MATERIAL
ASTM EQUIVALENT STANDARD
UNS GRADE (TP) DIN (EN) AFNOR (NF) JAPAN (JIS)
AUSTENTIC STAINLESS STEEL
S30400 304 1.4301 Z6CN18-09 SUS304
S30403 304L 1.4307 Z2CN18-10 SUS304L
S31600 316 1.4401 Z6CND17-11 SUS316
S31603 316L 1.4404 Z2CND17-12 SUS316L
S31635 316Ti 1.4571 Z2CND17-12 -
S32100 321 1.4541 Z6CNT18-10 SUS321
S34700 347 1.455 Z6CNNb18-10 SUS347
S30409 304H 1.4948 Z6CN19-10 SUS304H
S31609 316H 1.4919 Z6CND17-12 SUS316H
S32109 321H 1.4941 Z10CND18-10 SUS321H
S31000 310 - - SUS310
S31703 317L 1.4438 - SUS317L
FERRITIC STAINLESS STEEL
S40500 405 1.4002 Z6CAL13 SUS405
S41000 410 1.4006 Z12C13 SUS410
S43000 430 1.4016 Z10C17 SUS430
DUPLEX STAINLESS STEEL
S32205 2205 1.4462 Z2CND22-06 -
S31803 - 1.4462 Z2CND22-05 -

Applications Industries

Waste Water Treatment
Oil and Gas
Power Generation

Chemical Processing
Petroleum Refining
Ship Building

USA, China, United Arab Emirates, Saudi Arabia, Germany, United Kingdom, Netherlands, Italy, France, Belgium, Australia, Japan, South Korea, Singapore, Malaysia, Vietnam, Indonesia, Thailand, Bangladesh, Nepal, Sri Lanka, South Africa, Egypt, Kenya, Nigeria, Brazil, Mexico, Canada, Russia, Turkey.

Ahmedabad, Pune, Ludhiana, Faridabad, Surat, Jamshedpur, Coimbatore, Nashik, Vadodara, Kanpur, Rajkot, Indore, Tiruchirappalli, Aurangabad, Bhilai, Visakhapatnam, Bhiwadi, Chandigarh, Nagpur, Jaipur, Bokaro Steel City, Durgapur, Noida, Ghaziabad, Vapi, Kolhapur, Thane, Mangalore, Hyderabad, Chennai.