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  • Stainless Steel Tubes Manufacturers & Suppliers, Seamless & Welded Stainless Steel Tubes - Seamless & Welded Tubes Available for Sale at Lowest Prices!

    • Specification: ASTM A312, ASTM A213, ASTM A268, ASTM A269, ASTM A789, ASTM A790
    • Size: 6mm to 101.4 mm, Thickness: 0.5mm to 10mm
    • Products: Seamless Tubes, Welded Tubes, ERW Tubes, Electropolished Tubes, Square Tubes, Rectangular Tubes, Thick Wall Tubes, Thin Wall Tubes, Decorative Tubes, Polished Tubes, Round Tubes
    • Stainless Steel Tubes are available in sizes ranging from 1/4 in. OD to 5" OD in. & lengths of 20 ft.
    Metline is a professional stainless steel tube supplier and manufacturer with more than 30 years experience. Our stainless steel tubes are produced in compliance with ASTM A213/A269/A268/A790 standards in stainless steel 304, 304L, 316/316L, 316Ti, 317L, 321/321H, 309S, 310S, 347/347H, S32205/S31803, S32750, S32760, 904L, 409, 410, 410S, 630, 660, and 254SMO. SS tubes supplied by Metline have excellent OD tolerance and mechanical properties enabling us to full fill the most demanding requirements from our customers. The quality of our tubes is ensured by our strict manufacturing process and testings at various stages of production.Specifications:
    • ASTM A 269 Standard for Seamless Welded Stainless Steel Tube - Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service
    • ASTM A312 - Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
    • ASTM A268 - Standard Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
    • ASTM A213 - Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
    • ASTM A790 - Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe
    • ASTM A789 - Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service
  • Specialist Manufacturers of Welded/ERW/Large Diameter Stainless Steel Pipes in India - Largest Suppliers of Fabricated & Custom Size Stainless Steel Welded Pipes at Lowest Prices!

    Metline is one of the biggest manufacturer and supplier of stainless steel welded pipes in India, with daily sales of around 25-30 tons to customers across India and overseas. Our regular stock of products include SS 304/304L welded pipes, SS 316L welded pipes, SS 321/321H welded pipes, Duplex welded pipes, and SS 201 welded pipes in size range of 1/2" NB to 24". We also stock and manufacture stainless steel welded pipes in OD size range from 1/4" OD to 12" OD in thickness upto 10mm.Stainless steel electric resistance welded (ERW) pipe is manufactured by rolling metal and then welding it longitudinally across its length. SS ERW pipes are manufactured from Strip/Coils and can be manufactured upto 12” NB. For sizes from 6” NB to 36” NB, Metline can produce fabricated pipes, made from cut to size plates. The plates are first rolled and then 100% X-Ray welding is done. Since large diameter stainless steel welded pipes cannot be made on a rolling mill, we produce such pipes by rolling cut to size plates and performing welding operations on them. All large diameter welded stainless steel pipes, are produced as per ASTM A358 Class I to Class V specifications. Meanwhile, stainless steel welded pipes in sizes from ½” to 12” (SCH 5, SCH 10, SCH 40) can be produced on rolling mill as per ASTM A312 specification.Stainless steel welded pipes are widely used in crude oil industry, chemical industry, petrochemical industry, construction industry, and food industry. In addition to SS 304 welded or fabricated pipes, we also manufacture and supply related fittings, bends, flanges and fasteners.
    • Specification: ASTM A 312/ASME SA 312, ASTM A 358/ASME SA 358, ASTM A554, ASTM A249
    • Size: 1/2" to 48", Thickness: SCH 5S, 10S, 40S (STD), 80S (XS), 160, XXS
    • Products: Welded Pipes, ERW Pipes, Electropolished Pipes, Square Pipes, Rectangular Pipes, Thick Wall Pipes, Thin Wall Pipes, Decorative Pipes, Polished Pipes, Round Pipes
    • Stainless steel welded pipes are available in sizes ranging from 1/2 in. to 48 in. & lengths of 20 ft.
    Due to their high corrosion resistance and top quality, our stainless steel welded pipes are widely supplied to many industries, such as electricity, petroleum, natural gas, chemicals, shipbuilding, heating, papermaking, metallurgy and so on.Specifications:
    • ASTM A312 - This specification covers seamless, straight-seam welded, and heavily cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service
    • ASTM A358 - This specification includes electric-fusion-welded austenitic chromium-nickel stainless steel pipe.
  • Seamless & Welded Structural Square Pipes or Hollow Sections Manufacturers & Suppliers

    • If you have any requirement for square structural pipes or technical queries about seamless and welded square steel pipes and tubes, please feel free to contact us on sales@metline.in or call us on +919833604219
    • Material Grades
      • ASTM A500 - Gr.A, Gr.B, Gr.C, Gr.D,
      • EN 10210/EN 10219 - S185, S235JR, S235J0, S355JR, S355J0, S355J2
    • Seamless & Welded Square Structural Hollow Sections, Available on Sale in Size Range of 10mm x 10mm to 800mm x 800mm in thickness upto 40mm
    Metline is a reputed manufacturer of carbon steel and mild steel square pipes and tubes in size 10mm x 10mm to 800mm x 800mm, with wall thickness of 1mm- 40mm and custom lengths. We can offer structural square pipes in both seamless and welded form, with tensile strength ranging from 360 MPa to 680 Mpa. Structural square steel pipes are widely used for structural and civil engineering and the construction industry.Metline sells over 2000-3000 tons of alloy, carbon and mild steel seamless and welded square steel pipes and tubes every year to various engineering and construction industry. Our goal is to fulfill the highest expectations of our customers for delivery and product quality of square hollow sections. We strive to ensure that our quality for square structural hollow sections is the best in the industry. Our continuous focus on quality, price and service has helped us win many order from India, and overseas. We welcome you to contact us for best prices for structural square seamless and welded steel pipes and tubes from our factory.

    Chemical Composition of Structural Square Steel Pipes or Square Hollow Sections (SHS)

    Steel GradeChemical Composition Limits (%)
    C Max.Si Max.Mn Max.P Max.S Max.N Max.
    S235JRH0.17-1.400.0400.0400.009
    S275J0H0.20-1.500.0350.0350.009
    S275J2H0.20-1.500.0300.030-
    S355J0H0.220.551.600.0350.0350.009
    S355J2H0.220.551.600.0300.030-
    S355K2H0.220.551.600.0300.030-

    Mechanical Properties of Structural Square Steel Pipes or Square Hollow Sections (SHS)

    Steel GradeMechanical PropertiesImpact Energy (KV J)
    Yield Strength (Mpa)Tensile Strength (Mpa)Elongation (%)Test Temperature At Test Temperature of ℃
    -20020
    S235JRH235360-51026--27
    S275J0H275410-56023-27-
    S275J2H275410-5602327--
    S355J0H355510-68022-27-
    S355J2H355510-6802227--
    S355K2H355510-6802240--

    Why Choose Metline as Your Source for Seamless and Welded Square Hollow Sections?

    • 100% Tested Square Hollow Sections: All our products pass testing requirements of international manufacturing specification. Square steel pipes are produced by ISO 9001 certified factory, and shipped with MTC according to EN 10204 3.1.
    • Best Price Guaranteed for Structural Square Steel Pipes: When you source Metline Industries, you source everything directly from the manufacturer and stockholder! We have an average daily sale volume of around 40 tons of steel pipes & tubes from our stock. We believe in offering our customer’s high quantity discounts and work closely with them on all their project requirements. We always offer the most competitive prices for structural square steel pipes to both prospective and existing customers.
    • Fast Quotations and Delivery: We understand your need for purchasing materials with short lead times. We have extensive stocks of standard size square steel pipes and tubes, enabling us to deliver goods on an immediate basis to all our customers in India and overseas.
    • Quality Raw Materials: We use high quality raw materials to produce seamless and welded square steel pipes. Our raw materials are quality tested before being used in production of final product. We can also offer stage wise inspection for square steel hollow section pipes and tubes.
    • Standard and Non Standard Sizes for Square Steel Seamless and Welded Pipes : We can offer square structural steel pipes in both standard and non standard sizes with shortest delivery times.
    • Complete Documentation: We provide complete product related documents to our customers before delivery of the goods.
  • Manufacturers of Stainless Steel Stud Bolts & High Tensile Stud Bolts & Fasteners

    Also widely known as threaded bars, stud bolts are basically rod's threaded on both ends and are used to join two parts. We are manufacturer and suppliers of Stud Bolts in size range of M2 to M100 and in length up to 6 meters. Stud bolts are often used with 2 nuts and 2 washers to complete a bolting joint.
    • Types of Stud Bolts: Full Threaded Studs, Tap End Studs, Double End Studs, Reduced Shank, Flanged Stud Bolts, Weld Studs
    • Stainless Steel Stud Bolts - ASTM / ASME A/SA 193, Grade: B8 (304), B8C (SS347), B8M (SS316), B8T (SS321)
    • Alloy Steel Stud Bolts  - ASTM / ASME A/SA 193, Grade: B6, B7/ B7M, B16, 2, 2HM, 2H, Gr6, B7, B7M
    • Duplex Steel Stud Bolts: UNS No. S31803, S32205
    • Others: Nickel Alloy Stud Bolts, Titanium Stud Bolts, Aluminium Stud Bolts, Copper, Brass, Ferrous & Non Ferrous Metals

    Metline is a specialized manufacturer of stud bolts in various alloys including stainless steel, carbon steel, high tensile alloy steel, nickel alloys, super duplex, and duplex steels. We are India's biggest distributor of industrial fasteners, with sales to all cities and industrial areas in India as well as overseas destinations such as Europe, US, Middle East and African Countries.

  • Super Duplex 2507 Nuts & Bolts Manufacturers & Suppliers, 2507(F53\S32750) Stud Bolts, Super Duplex Hex Head Bolts & Nuts, Threaded Bars with Washers

    Buy Super Duplex 2507, F53\S32750, F60/S32760 Hex Bolt or Studs with Nut Washer at Best Prices

    • Super Duplex Fastener Products: Super Duplex Hex Head Bolts, Super Duplex U Bolts, 2507 Eyelet Bolts, Super Duplex Hex Nuts, 2507 Washers, Duplex 2507 Stud Bolts, F60 Threaded Rods, Super Duplex Screws
    • Our Manufacturing Size Ranges from M6 to M100, 1/4" to 4" with Varied Lengths
    • Super Duplex Grades: Super Duplex 2507, F53/UNS S32750, F60/UNS S32760
    • Manufacturing Specification: DIN931/933/603/444, ISO4014/4017, ASME B18.2.1, A325, A325M
    • Manufacturing Process: Forging, CNC Machining, Thread Rolling, Heat Treatment, Coating, Unique Marking, Testing & Traceability

    Metline is a full line manufacturer of Super Duplex nuts and bolts in accordance with DIN, ASME, ASTM and ISO standards. The most commonly used Duplex Alloys for manufacturing nuts and bolts are Duplex 2205, Super Duplex 2507 (F53\S32750, F60/S32760), Duplex UNS S31803.

    Key Products We Manufacture & Supply in Duplex Stainless Steel Grades

    • Duplex 2205 & Super Duplex 2507 Bolts & Nuts
    • DIN933 1.4362 Super Duplex Stainless Steel Hex Bolt
    • S32760 Super Duplex Stainless Steel U Bolts
    • Excellent Quality Super Duplex 2205 Stainless Steel Bolts
    • Hexagon Head Bolts Din 933(Full Thread) Duplex S31803 Bolt
    • Super Duplex Stainless Steel Hex Head Bolt with Nut and Flat Washer
    • High Quality Duplex 2205 Stainless Steel Stud Bolt
    • Duplex Stainless Steel Bolts with Nuts and Washers
  • SS 2507 Super Duplex Seamless Pipe Manufacturers - 1.4410, UNS S32750/S32760

    • Equivalents: WNR. 1.4410, UNS S32750/S32760 AISI 2507
    • Specification: ASTM A 790 ASME SA 790
    • Size: 1/2" to 24", Thickness: SCH 5S, 10S, 40S (STD), 80S (XS), 160, XXS
    • Super Duplex 2507 seamless pipes are available in sizes ranging from 1/2 to 24 in. & lengths of 20 ft.

    Metline is a full line service center and supplier of stainless steel Super Duplex 2507 seamless pipes in India. Our stainless steel Super Duplex 2205 seamless pipe processing capabilities include tapering, cutting, reaming, chamfering, grooving, machining and bending. Due to their high corrosion resistance and top quality, our stainless steel Super Duplex 2507 seamless pipes are widely supplied to many industries, such as electricity, petroleum, natural gas, chemicals, shipbuilding, heating, papermaking, metallurgy and so on.

    Specifications:
    • ASTM A790 - The specification covers seamless and straight-seam welded ferritic/austenitic duplex stainless steel pipe for general corrosive service, with particular emphasis on resistance to stress corrosion cracking.
    Related Searches: Super Duplex 2507 Seamless Pipe, 2507 SS SuperDuplex Seamless Pipe, 2507 Super Duplex Stainless Steel Seamless Pipe, UNS S32750/S32760 Super Duplex 2507 Seamless Pipe, WNR. 1.4410 Super Duplex 2507 Seamless Pipe, ASME/ASTM SA/A790 Super Duplex Stainless Steel Seamless Pipes
  • SS 2507 Super Duplex Seamless & Welded Tube Manufacturers - 1.4410, UNS S32750/S32760

    • Equivalents: WNR. 1.4410, UNS S32750/S32760 AISI 2507
    • Specification: ASTM A 790 ASME SA 790
    • Size: 6mm to 101.4 mm, Thickness: 0.5mm to 10mm
    • Products: Seamless Tubes, Welded Tubes, ERW Tubes, Electropolished Tubes, Square Tubes, Rectangular Tubes, Thick Wall Tubes, Thin Wall Tubes, Decorative Tubes, Polished Tubes, Round Tubes
    • Super Duplex 2507 Stainless Steel Tubes are available in sizes ranging from 1/4 in. OD to 5" OD in. & lengths of 20 ft.
    Metline is a professional stainless steel Super Duplex 2507 tube supplier and manufacturer with more than 30 years experience. Our stainless steel Super Duplex 2507 tubes are produced in compliance with ASTM A790, ASTM A789 standards. SS Super Duplex 2507 tubes supplied by Metline have excellent OD tolerance and mechanical properties enabling us to full fill the most demanding requirements from our customers. The quality of our tubes is ensured by our strict manufacturing process and testings at various stages of production.Specifications:
    • ASTM A790 - Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe
    • ASTM A789 - Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service
    SS Super Duplex 2507 Seamless Tubes, SS Super Duplex 2507 Welded Tubes, SS Super Duplex 2507 Tubes Manufacturers, SS Super Duplex 2507 Welded Tubes Wholesalers, UNS S32750/S32760/1.4410 Super Duplex 2507 Seamless & Welded Tubes, ASME/ASTM SA/A790/A789 Super Duplex Stainless Steel Seamless & Welded Tubes, SS Super Duplex 2507 Seamless & Welded Tubes Suppliers in Mumbai, SS Super Duplex 2507 Seamless & Welded Tubes Importers
  • Request a Quote for Super Duplex Stainless Steel Pipes from Metline Industries! (E: sales@metline.in)

    Super Duplex Pipes Manufacturers & Suppliers, Super Duplex Seamless & Welded Stainless Steel Pipes - Top Quality 2507 Duplex at Best Prices (UNS S32750/S32760/1.4410 & 2507)

    • Equivalents: UNS S32750/S32760/1.4410 & 2507 Super Duplex Stainless Steel
    • Specification: ASTM A 790 ASME SA 790
    • Size: 1/2" to 48", Thickness: SCH 5S, 10S, 40S (STD), 80S (XS), 160, XXS
    • Products: Seamless Pipes, Welded Pipes, ERW Pipes, Electropolished Pipes, Square Pipes, Rectangular Pipes, Thick Wall Pipes, Thin Wall Pipes, Decorative Pipes, Polished Pipes, Round Pipes
    • Super Duplex steel pipes are available in sizes ranging from 1/2 in. to 48 in. & lengths of 20 ft.

    Metline is one of the largest manufacturers of standard & custom industrial super duplex stainless steel pipes. We manufacture welded and seamless super duplex stainless steel pipes in schedule 10, 40 and 80 in 1/8" to 24" sizes. Our stainless steel super duplex pipe processing capabilities include tapering, cutting, reaming, chamfering, grooving, machining and bending.

    Due to their high corrosion resistance and top quality, our super duplex stainless steel seamless and welded pipes are widely supplied to many industries, such as electricity, petroleum, natural gas, chemicals, shipbuilding, heating, papermaking, metallurgy and so on.Specifications:
    • ASTM A790 - The specification covers seamless and straight-seam welded ferritic/austenitic duplex stainless steel pipe for general corrosive service, with particular emphasis on resistance to stress corrosion cracking.
    Super Duplex 2507 Seamless Pipes, Super Duplex Welded Pipes, Super Duplex Pipes Manufacturers, Super Duplex 2507  Welded Pipes Wholesalers, Super Duplex 2507 Seamless Pipes Suppliers in Mumbai, Super Duplex 2507 Seamless Pipes Importers
  • Manufacturers of Stainless Steel Threaded Rods& Bars & High Tensile Threaded Rods

    Threaded bars are basically rod's threaded on both ends and are used to join two parts. We are manufacturer and suppliers of threaded bars or rods in size range of M2 to M150 and in length up to 6 meters. Threaded rods are often used with nuts and washers to complete a bolting joint.
    • Types of Threaded Bars & Rods: Full Threaded Bars, Tap End Stud Bars, Double End Threaded Bars, Threaded Rods
    • Stainless Steel Threaded Bars - ASTM / ASME A/SA 193, Grade: B8 (304), B8C (SS347), B8M (SS316), B8T (SS321)
    • Alloy Steel Threaded Bars - ASTM / ASME A/SA 193, Grade: B6, B7/ B7M, B16, 2, 2HM, 2H, Gr6, B7, B7M
    • Duplex Steel Threaded Bars: UNS No. S31803, S32205
    • Others: Nickel Alloy Threaded Bars, Titanium Threaded Bars, Aluminium Threaded Bars, Copper Threaded Bars, Brass Threaded Bars, Ferrous & Non Ferrous Metals

    Metline is a specialized manufacturer of threaded bars or threaded rods in various alloys including stainless steel, carbon steel, high tensile alloy steel, nickel alloys, super duplex, and duplex steels. We are India's biggest distributor of industrial fasteners, with sales to all cities and industrial areas in India as well as overseas destinations such as Europe, US, Middle East and African Countries.

  • U Bolts

    750.00

    U Bolts Manufacturers & Suppliers in India - Buy Top Quality U Bolts at Factory Prices!

    Metline is a leading manufacturer of "U bolts" in multiple sizes and lengths as per ASTM A193, ASTM A320, ASTM A325, ASTM A307B, and ASTM A490. We offer U bolts in materials such as ASTM A193 Grade B8M, Inconel, Monel, Titanium and Other Special Alloys. U-bolts are bolts that are shaped in the letter U. They can come either round (curved at the bottom) or square bent.

    1. GRADE: SS 304 U Bolts
    2. GRADE SS 316 U Bolts
    3. Duplex & Super Duplex U Bolts
    4. HIGH TENSILE U Bolts in Gr. 8.8 / Gr. 10.9
    5. MILD STEEL U Bolts in Gr. 4.6 / Gr. 5.6
    6. Hot Dip Galvanised U Bolts
    7. Round Bend U Bolts, Square Bend U Bolts
    U-bolts are u-shaped bolts with two machine-threaded ends. These bolts include attached nuts and plates. U-bolts can be used to support pipework and plates.
  • SS 317 Seamless & Welded Tubes Manufacturers & Suppliers, UNS S31700/1.4449 Tubes

    • Equivalents: WRN. 1.4449, UNS S31700 , AISI 317
    • Specification: ASTM A312, ASTM A213, ASTM A268, ASTM A269
    • Size: 6mm to 101.4 mm, Thickness: 0.5mm to 10mm
    • Products: Seamless Tubes, Welded Tubes, ERW Tubes, Electropolished Tubes, Square Tubes, Rectangular Tubes, Thick Wall Tubes, Thin Wall Tubes, Decorative Tubes, Polished Tubes, Round Tubes
    • Stainless Steel 317 Tubes are available in sizes ranging from 1/4 in. OD to 5" OD in. & lengths of 20 ft.
    Metline is a professional stainless steel 317 tube supplier and manufacturer with more than 30 years experience. Our stainless steel 317 tubes are produced in compliance with ASTM A213/A269/A268 standards. SS 317 tubes supplied by Metline have excellent OD tolerance and mechanical properties enabling us to full fill the most demanding requirements from our customers. The quality of our tubes is ensured by our strict manufacturing process and testings at various stages of production.Specifications:
    • ASTM A 269 Standard for Seamless Welded Stainless Steel Tube - Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service
    • ASTM A312 - Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
    • ASTM A268 - Standard Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
    • ASTM A213 - Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
    SS 317 Seamless Tubes, SS 317 Welded Tubes, SS 317 Tubes Manufacturers, SS 317 Welded Tubes Wholesalers, SS 317 Seamless Tubes Suppliers in Mumbai, SS 317 Seamless Tubes Importers

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