Pipe Fittings Manufacturers & Suppliers - Seamless/Welded Steel Pipe Manufacturers in India! Email Us on sales@metline.in | Call Us on +919833604219 | +919967731666

SS 304 Seamless Pipes Manufacturers. Buy Top Quality SS 304 Seamless Pipes at Best Prices

///SS 304 Seamless Pipes & Tubes

SS 304 Seamless Pipes & Tubes

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SS 304/304L Seamless Pipes & Tubes Manufacturers & Suppliers

Leading Manufacturers & Suppliers of SS 304 Seamless Pipes & Tubes in India, with Exports to 60 Countries. Buy Top Quality SS 304 Seamless Tubes, SS 304 Seamless Pipes Factory

Equivalents Heat Treatment Heat Resistance
Welding Chemical Composition Mechanical Properties

  • Seamless 304 Stainless Steel Pipes & Tubes: Φ6~Φ600×0.5~80mm

We are specialized in producing seamless SS 304 pipes and tubes for low or high temperatures, and medium or high pressures. Metline is a largest supplier of seamless ss 304 pipes. Seamless pipes are pipes without a seam or a weld-joint in contrast to ERW, Seam or Welded pipe. We have supplied extensive quantities of hot rolled ss 304 seamless pipes, as well as cold drawn ss 304 seamless pipes in size range of 6mm OD to 600 OD in thickness upto 80mm.

Contact Us If You are Looking to Buy 304/304L Stainless Steel Tubes!

Call Us Now +919833604219 or Email Us “sales@metline.in”

An international piping materials supplier, Metline welcomes you to send us your enquiries for stainless steel 304 tubing, tube fittings & flanges and allow us to partner in your growth. We can assure you the best quality products, with the most competitive prices in the industry.

All pipes supplied by Metline are tested according to requirements of the appropriate standards. In all cases the tube leaking test is performed, and supplied with Test Certificates at per EN 10204 3.1 or NABL approved lab test reports. We focus on each and every customer with a personal touch, making us one of the top supplier of stainless steel pipes & tubes and a reliable business partner for all industrial buyers.

Description

AISI 304 Seamless Pipes & Tubes Manufacturers (1.4301, S30400)  | AISI 304L Seamless Pipes Manufacturers (1.4306, 1.4307, S30403)

Stainless steel 304 seamless pipes are hollow tubes which permit well controlled better circulation and movement of fluids.

Metline is one of the largest and most renowned manufacturing and stockholding company in India, supplying stainless steel 304 seamless pipes as well as stainless steel 304 seamless pipe fittings and stainless steel 304 flanges. Given our extensive expertise and knowledge in stainless steel industry we can offer stainless steel 304 seamless pipes, at the most competitive prices in the Industry. We are Wholesaler for stainless, acid and heat-resistant steel pipes, fittings and flanges with extensive stocks.

Grade 304/304L (UNS S30400/S30403, EN 1.4301/1.4307) is most widely used Austenitic stainless steel. Grade 304L is a low carbon 304, which is a common practice for 304L to be dual certified as 304 and 304L. The low carbon chemistry of 304L combined with an addition of nitrogen enables 304L to meet the mechanical properties of 304. Grade 304L often used to avoid possible sensitization corrosion in welded components.

UNS Designation & International Equivalent for SS 304 Seamless Pipes
Type UNS JIS EN/DIN EN/BS EN/NF ISO GB GOST
304 S30400 SUS304 X5CrNi18-10 304S31 Z7CN18.09 11 0Cr18Ni9 08KH18H10
304L S30403 SUS304L X2CrNi19-11 304S11 X2CrNi19-11 10 00Cr19Ni11 03KH18H11

Type 304 stainless steel is the most versatile, and one of the most widely used of the 300 Series stainless steels, with excellent forming and welding characteristics.

304/304L/304H Stainless Steel Seamless Pipes Chemical Composition

Chemical Composition %
  C Mn Si P S Cr Ni Fe
304 0.08 max. 2.00 max. 1.00 max. 0.045 max. 0.03 max. 18.0 – 20.0 8.0 – 10.5 Balance
304L 0.03 max. 2.00 max. 1.00 max. 0.045 max. 0.03 max. 18.0 – 20.0 8.0 – 12.0 Balance
304H 0.04-0.10 2.00 max. 1.00 max. 0.045 max. 0.03 max. 18.0 – 20.0 8.0 – 12.0 Balance

304/304L/304H Stainless Steel Seamless Pipes Mechanical Properties

  304 304L 304H
Density 8 8 8
Melting Range,℃ 1400 ℃ 1400 ℃ 1400 ℃
Elongation % 40 40 40
Tensile Strength (Mpa) 515 485 515
Yield Strength (Mpa) 205 170 205
Hardness (Brinell) 201 201 201

Heat Resistance of Stainless Steel 304/304L Seamless Pipes

Good oxidation resistance in intermittent service to 870°C and in continuous service to 925°C. Continuous use of 304 in the 425-860°C range is not recommended if subsequent aqueous corrosion resistance is important. Grade 304L is resistant to carbide precipitation and can be heated into this temperature range.

Heat Treatment of Stainless Steel 304/304L Seamless Pipes

Solution Treatment (Annealing) Heat to 1010-1120°C and cool rapidly. These grades cannot be hardened by thermal treatment.

Welding of SS 304/304L Seamless Pipes

Excellent weldability by all standard fusion methods, both with and without filler metals.

304/304L Stainless Steel Seamless Stock and Supply Range

Sr. No. Product Description Outside Diamter, OD (in mm) Wall Thickness, WT (in mm)
1 304, 304L Stainless Steel Round Pipe/Tube 6mm – 630mm 0.5mm-30mm
2 304, 304L Stainless Steel Square Pipe/Tube 12.7mm* 12.7mm to 300mm* 300mm 0.5mm-30mm
3 304, 304L Stainless Steel Rectangular Pipe/Tube 10*20mm to 100*200mm 0.5mm-30mm
4 304, 304L Stainless Steel Colour Coated Pipe/Tube 6mm to 630mm 0.5mm-30mm
5 304, 304L Stainless Steel Ornamental Tubes 12.7mm to 76.2mm 0.5mm-2.0mm
6 304, 304L Stainless Steel Electropolished Pipes/Tubes 12.7mm to 250mm 0.5mm-30mm
7 304, 304L Stainless Steel Slot Round Pipe/Tube 12.7mm to 76.2mm 0.5mm-2.0mm
8 304, 304L Stainless Steel Triangle Tube 16mm to 85mm 0.5mm-3.0mm
9 304, 304L Stainless Steel Hexagonal Tube 13mm to 85mm 0.5mm-2.0mm
10 304, 304L Stainless Steel Handrail Tube 0.5mm-2.0mm
11 304, 304L Stainless Steel U Shaped Tube 20mm to 200mm 0.5mm-2.0mm
12 304, 304L Thin-Wall Stainless Steel Tube 22mm*0.7mm to 108mm*2.0mm 0.5mm-2.0mm
13 304, 304L Inner/Outside Polished Stainless Steel Tube, Pipes 12.5mm to 203.2mm 1.0mm – 5mm
14 304, 304L Stainless Steel Capillary Tube 0.28mm to 10mm 0.08mm – 1.2mm
15 304, 304L Stainless Steel Seamless Tube 6mm to 430mm 0.8mm – 30mm

 

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