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

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

ASTM A312 Stainless Steel TP304L Welded Pipe Distributor In Karam Pura, SS 1.4301 WELDED TUBE DEALER IN Okhla, SS 304H ASTM A249 WELDED TUBING SUPPLIER IN Patparganj, ASME SA312 SS TP304H Welded Pipes Distributor In Bawana, SS UNS S30409 WELDED TUBE SUPPLIER IN Karam Pura

Table of Content:

Stainless Steel ASTM A312 TP304L Welded Pipe Supplier In Bawana, Stainless Steel ASME SA269 TP304H Welded Tubing In Naraina, STAINLESS STEEL UNS S30403 WELDED TUBE SUPPLIER IN Delhi, ASME SA249 SS 304H WELDED TUBE MANUFACTURER IN Delhi. SS UNS S30409 Welded Pipe Dealer In Mayapuri

Preston Pipes and Alloys is a leading manufacturer, supplier, stockholder and exporter of Stainless Steel 304/304L/304H Welded Pipes/Tubes in Karam Pura, Delhi. We fabricate these Stainless Steel 304L EFW Tubes in several of standard sizes, specifications, wall thickness, lengths, and also in customized specifications as per the demands of various industries at fair prices across Delhi. We fabricate these Stainless Steel 304L ERW Pipes by utilizing certified quality raw materials and latest technology machinery following globally approved quality standards under the guidance of our professional team.

SS 304L Welded Tubes have acquired a place in different regions in Delhi owing to the superlative strength, durability and dimensional accuracy. Our technological expertise and impeccable manufacturing process make us one of the notable Stainless Steel 304 Welded Tubes exporters in Delhi.

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

ASTM SA312 GR. TP 304 SS Welded Pipes are resistant to decent amounts of potable water in ambient temperatures. Stainless Steel 304H Welded Tubes have superior oxidation resistance in continuous service to 925 degrees C and intermittent service to 870 degrees C. SS 304 ERW Pipes are used in industries such as food processing equipment, Chemical Equipment, Pharmaceutical Industry, Industrial Boilers, Sea Water Equipment, Heat Exchangers, Paper and Pulp Mills, etc.
We make sure our Stainless Steel 304 Welded Pipes pass through numerous quality checks such as Hardness Testing, Spectro Analysis, Mechanical Testing, PMI Testing, etc., to ensure that our clients receive only superior quality tubes. We also provide different test certificates and documents together with our SS 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 304H Welded Tubes to various cities across Delhi.

SS UNS S30400 Welded Pipes Distributor in Patparganj, ASTM A249 SS TP304H Welded Tubing Stockist in Naraina, ASTM A312 Stainless Steel TP304L Welded Pipe Manufacturer in Delhi, Stainless Steel 1.4306 Welded Pipe in Delhi, UNS S30400 SS Welded Tubing Manufacturer in Okhla.

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

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