Preston Pipes and Alloys | Pipes Tubes Suppliers in Mumbai, India

Stainless Steel 304/304l/304H Welded Pipes/Tubes in Kolkata

ASME SA312 SS TP304L Welded Pipe Manufacturer In Hooghly, STAINLESS STEEL 1.4307 WELDED TUBING STOCKIST IN Asansol, SS TP304L ASME SA249 WELDED TUBING IN Taltala, ASTM A312 SS TP304L Welded Pipes Stockist In Kankurgachi, STAINLESS STEEL 1.4307 WELDED TUBING IN Hooghly

Table of Content:

SS ASTM A312 TP304L Welded Pipe Dealer In Kankurgachi, Stainless Steel ASTM A249 304H Welded Tubing Manufacturer In Howrah, STAINLESS STEEL UNS S30403 WELDED TUBE IN Kolkata, ASME SA249 SS TP304 WELDED TUBE MANUFACTURER IN Kolkata. SS 1.4301 Welded Pipes In Durgapur

Preston Pipes and Alloys is a notable manufacturer, distributor, stockist and exporter of Stainless Steel 304/304L/304H Welded Pipes/Tubes in Hooghly, Kolkata. We fabricate these SS 304L ERW Pipes in many of standard sizes, specifications, thickness, lengths, and also in customized sizes as per the needs of various clients at the most reasonable prices across Kolkata. We manufacture these SS 304 EFW Tubes by utilizing certified quality raw materials and modern technology machinery following globally approved quality standards under the guidance of our professional team.

Stainless Steel 304H EFW Pipes have acquired a place in different regions in Kolkata because of the superlative strength, durability and dimensional accuracy. Our technological expertise and impeccable producing process make us one of the leading SS 304L Welded Tubes exporters in Kolkata.

SS 304H ERW Pipes have exceptional machinability, higher resistance to corrosion, resistance to pitting and crevice corrosion, outstanding corrosion resistance in a wide range of chemicals, particularly in acidic chloride conditions. Stainless Steel 304 EFW Pipes are particularly resistant to atmospheric corrosion, food, and to few organic and inorganic chemicals in mildly oxidizing environments to low reducing conditions. SS 304L Welded Tubes are more resistant to carbide precipitation and can be heated into temperature range of 800 to 1580 degrees F.

ASTM SA312 GR. TP 304 SS Welded Pipes are resistant to decent amounts of potable water in ambient temperatures. Stainless Steel 304 Welded Pipes have outstanding resistance to oxidation in continuous service to 925 degrees C and intermittent service to 870 degrees C. Stainless Steel 304H Welded Tubes are used in applications such as food processing equipment, Chemical Equipment, Pharmaceutical Industry, Pressure Vessels, Marine Equipment, Condensers, Pulp and Paper Industry, etc.
We ensure our Stainless Steel 304H EFW Pipes undergo various quality checks such as Hardness Testing, Chemical Analysis, Mechanical Testing, Positive Material Identification Testing, etc., to ensure that our customers receive only high quality pipes. We also provide various test certificates and documents along with our Stainless Steel 304 EFW Tubes including Manufacturer Test Certificate according to EN 10204/3.1B, 100% Radiography Test Report, Third Party Inspection Report, etc. We export these SS 304 Welded Pipes to various cities across Kolkata.

Stainless Steel 1.4301 Welded Pipe Stockist in Taltala, ASTM A269 Stainless Steel 304 Welded Tube Dealer in Howrah, ASME SA312 SS 304 Welded Pipe Dealer in Kolkata, Stainless Steel UNS S30400 Welded Pipe Dealer in Kolkata, 1.4948 Stainless Steel Welded Tube Dealer in Asansol.

Equivalent Grades

SS 304 1.4301 S30400 SUS 304 304S31 08Х18Н10 Z7CN18‐09 X5CrNi18-10
SS 304L 1.4306 / 1.4307 S30403 SUS 304L 3304S11 03Х18Н11 Z3CN18‐10 X2CrNi18-9 / X2CrNi19-11
SS 304L 1.4948 S30409 SUS 304H 304S11 - - X5CrNi18-10
Steel Pipes

Standard Specification

Specifications :

Standard :

Welded Size :

ERW Size :

EFW Size :

Outside Diameter :

Length :

Thickness :

Schedule :

Type :


End :

ASTM A/ASME SA213, A249, A269, A312, A358


1/2″ NB – 16″ NB

1/2″ NB – 24″ NB

6″ NB – 100″ NB

6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available

Single Random, Double Random & Required Length

0.3mm – 50 mm

SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH120, SCH140, SCH160, XXS

Seamless, Welded, ERW, EFW

Round Pipes, Square Pipes, Rectangular Pipe

Plain End, Beveled End, Treaded

Chemical Composition

Grade C Mn Si P S Cr Ni
SS 304 0.08 max 2 max 0.75 max 0.045 max 0.030 max 18 – 20 8 – 11
SS 304L 0.035 max 2.0 max 1.0 max 0.045 max 0.03 max 18 – 20 8 – 13
SS 304H 0.10 max 2.0 max 0.75 max 0.045 max 0.03 max 18 – 20 8 – 10.5

Mechanical Properties

Grade Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
304/304L 8.0 g/cm3 1400 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %
304H 8.0 g/cm3 1400 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 40 %

Types Of Grade 304 Stainless Steel Welded Pipes/ Tubes

PipeStainless Steel Grade 304 Welded Pipe/ Tubes

Pipe SS 304 Welded Pipe/ Tube Equivalent Grades

Application Industry

Stainless Steel 1.4306 Welded Pipe are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of Stainless Steel 1.4948 Welded Tube through a worldwide network of stock-keeping branches. These are use in various industries like :
Application Industry

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