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

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

ASTM A312 SS 304H Welded Pipe Distributor In Hajipur, SS 1.4301 WELDED TUBING SUPPLIER IN Bihta, SS TP304H ASME SA249 WELDED TUBING SUPPLIER IN Kopakala, ASME SA312 SS 304L Welded Pipe Manufacturer In Dehri, STAINLESS STEEL UNS S30400 WELDED TUBING DISTRIBUTOR IN Hajipur

Table of Content:

SS ASTM A312 TP304L Welded Pipe Distributor In Dehri, SS ASME SA249 TP304H Welded Tubing Dealer In Gidha, SS 1.4307 WELDED TUBING STOCKIST IN Patna, ASME SA249 SS TP304 WELDED TUBE MANUFACTURER IN Patna. SS UNS S30409 Welded Pipes Stockist In Patliputra

Preston Pipes and Alloys is a prominent manufacturer, distributor, stockholder and exporter of Stainless Steel 304/304L/304H Welded Pipes/Tubes in Hajipur, Patna. We manufacture these SS 304L ERW Tubes in several of standard sizes, specifications, wall thickness, lengths, and also in customized specifications as per the needs of various clients at the most reasonable prices across Patna. We manufacture these SS 304H Welded Pipes by utilizing certified quality raw materials and latest technology equipment following globally approved quality standards under the guidance of our skilled professionals.

Stainless Steel 304L Welded Pipes have acquired a position in various regions in Patna because of the superlative strength, durability and dimensional accuracy. Our technological knowledge and accurate producing process make us one of the leading Stainless Steel 304L EFW Pipes suppliers in Patna.

Stainless Steel 304H ERW Tubes have outstanding machinability, exceptional corrosion resistance, pitting and crevice corrosion resistance, exceptional corrosion resistance in a wide range of chemicals, particularly in acidic chloride conditions. SS 304H Welded Pipes are particularly resistant to atmospheric corrosion, food, and to few organic and inorganic chemicals in mildly oxidizing environments to low reducing environments. SS 304L Welded Tubes are highly immune to carbide precipitation and can be heated into temperature range of 425 to 860 degrees C.

ASTM SA312 GR. TP 304 Stainless Steel Welded Pipes are immune to decent amounts of potable water in ambient temperatures. SS 304 Welded Tubes have outstanding resistance to oxidation in continuous service to 925 degrees C and intermittent service to 870 degrees C. SS 304 ERW Pipes are used in industries like food processing equipment, Specialty Chemicals, Pharmaceutical Industry, Pressure Vessels, Sea Water Equipment, Condensers, Paper and Pulp Mills, etc.
We make sure our SS 304 Welded Pipes undergo various quality checks such as Hardness Testing, Chemical Analysis, Mechanical Testing, PMI Testing, etc., to assure that our clients receive only superior quality tubes. We also supply different test certificates and documents together with our SS 304 ERW Tubes including Manufacturer Test Certificate according to EN 10204/3.1B, 100% Radiography Test Report, Third Party Inspection Report, etc. We export these Stainless Steel 304H Welded Tubes to various cities across Patna.

SS UNS S30400 Welded Pipes Stockist in Kopakala, ASME SA269 Stainless Steel TP304H Welded Tubing Distributor in Gidha, ASTM A312 Stainless Steel 304H Welded Pipe Supplier in Patna, SS UNS S30400 Welded Pipe Stockist in Patna, 1.4307 SS Welded Tubing Supplier in Bihta.

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

SS 1.4306 Welded Tubing are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of SS UNS S30409 Welded Pipes through a worldwide network of stock-keeping branches. These are use in various industries like :
Application Industry

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