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

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

Stainless Steel 1.4301 SMLS Tubing Distributor in Kolkata, Stainless Steel UNS S30400 SMLS Pipes Dealer in Durgapur, SS TP304L ASME SA269 SMLS Tubing Supplier in Taltala. SS ASME SA249 TP304 SMLS Tube Supplier in Howrah, Stainless Steel 1.4307 SMLS Tube Supplier in Hooghly

Table of Content:

SS ASTM A312 TP304H SMLS Pipe Dealer in Kankurgachi, ASTM A249 SS 304L SMLS Tubing Manufacturer in Kolkata, ASTM A312 SS 304L Seamless Pipe Distributor in Hooghly, Stainless Steel UNS S30403 SMLS Tubing Stockist in Asansol, ASME SA312 Stainless Steel TP304H SMLS Pipe Distributor in Kankurgachi

Preston Pipes and Alloys is a leading manufacturer, supplier, stockist and exporter of Stainless Steel 304/304L/304H Seamless Pipes/Tubes in Hooghly, Kolkata. We manufacture these Stainless Steel 304L Seamless Pipes by making use of certified quality raw materials and latest technology machinery in accordance with national and international quality standards under the supervision of our professional team. We manufacture these SS 304H Seamless Pipes in a number of standard sizes, specifications, thickness, lengths, and also in customized sizes as per the demands of various industries at the most reasonable prices across Kolkata.

Stainless Steel 304L Seamless Tubes have superior machinability, exceptional corrosion resistance, pitting and crevice corrosion resistance, exceptional resistance to corrosion in a wide range of chemicals, particularly in acidic chloride environments. Stainless Steel 304H Seamless Pipes are particularly immune to atmospheric corrosion, food, and few organic and inorganic chemicals in low oxidizing conditions to low reducing conditions. Stainless Steel 304L Seamless Pipes are highly immune to precipitation of carbides and can be heated up to temperature range of 425 to 860 degrees C. Our Stainless Steel 304H Seamless Tubes have achieved a position in many regions in Kolkata because of the exceptional toughness, durability and dimensional precision.

Our industry expertise and accurate producing methods make us one of the notable SS 304 Seamless Tubes suppliers in Kolkata.ASTM SA312 GR. TP 304 Stainless Steel Seamless Pipes are immune to decent amounts of potable water in high temperatures. SS 304H Seamless Tubes have outstanding resistance to oxidation in continuous service to 925 degrees C and in intermittent service to 870 degrees C. Stainless Steel 304L Seamless Tubes are used in industries like food processing equipment, Specialty Chemicals, Pharmaceutical Industry, Pressure Vessels, Marine Equipment, Condensers, Paper and Pulp Mills, etc.

We at Preston Pipes and Alloys make sure our Stainless Steel 304 Seamless Tubes pass through numerous quality checks such as Hardness Testing, Chemical Analysis, Mechanical Testing, PMI Testing, etc., to assure that our customers receive only superior quality pipes. We also provide different test certificates and documents along with our SS 304H Seamless Tubes including Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report, etc. We export these SS 304 Seamless Tubes to various cities across Kolkata.

Stainless Steel 1.4307 SMLS Pipes Dealer in Kolkata, SS 1.4301 Seamless Pipes Manufacturer in Taltala, 1.4307 SS Seamless Tube Manufacturer in Asansol, ASTM A312 Stainless Steel TP304 Seamless Pipe Manufacturer in Kolkata, ASME SA269 SS 304L SMLS Tubing Manufacturer in Howrah.

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 :

Seamless 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 304/304L/304H Stainless Steel Seamless Pipes/ Tubes

PipeStainless Steel Grade 304/304L/304H Seamless Pipe

Pipe SS 304/304L/304H Seamless Tubes Equivalent Grades

Application Industry

Stainless Steel 1.4301 Seamless Tube are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of SS 1.4948 Seamless Pipes through a worldwide network of stock-keeping branches. These are use in various industries like :
Application Industry

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