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

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

SS UNS S30403 SMLS Tubing Dealer in Patna, SS 1.4306 SMLS Pipes Stockist in Patliputra, Stainless Steel TP304 ASTM A269 SMLS Tube Manufacturer in Kopakala. SS ASME SA269 TP304L SMLS Tube Supplier in Gidha, SS 1.4301 SMLS Tubing in Hajipur

Table of Content:

Stainless Steel ASME SA312 TP304H Seamless Pipe Stockist in Dehri, ASTM A249 SS 304 Seamless Tubing in Patna, ASTM A312 SS TP304H Seamless Pipes Supplier in Hajipur, SS 1.4306 SMLS Tube Dealer in Bihta, ASTM A312 SS TP304H SMLS Pipes Dealer in Dehri

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

SS 304H Seamless Tubes have exceptional machinability, exceptional corrosion resistance, resistance to pitting and crevice corrosion, superior resistance to corrosion in a wide range of chemicals, especially in acidic chloride conditions. Stainless Steel 304H Seamless Pipes are especially resistant to atmospheric corrosion, beverages, and certain organic and inorganic chemicals in mildly oxidizing conditions to low reducing conditions. Stainless Steel 304L Seamless Pipes are highly resistant to precipitation of carbides and can be heated up to temperature range of 800 to 1580 degrees F. Our SS 304L Seamless Tubes have achieved a place in various cities in Patna owing to the superlative strength, durability and dimensional precision.

Our industry knowledge and impeccable producing methods make us one of the notable SS 304 Seamless Tubes exporters in Patna.ASTM SA312 GR. TP 304 SS Seamless Pipes are resistant to decent amounts of potable water in high temperatures. SS 304H Seamless Pipes have outstanding oxidation resistance in continuous service to 925 degrees C and in intermittent service to 870 degrees C. SS 304 Seamless 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 at Preston Pipes and Alloys make sure our Stainless Steel 304L Seamless Pipes undergo various quality checks such as Hardness Testing, Chemical Analysis, Mechanical Testing, PMI Testing, etc., to assure that our customers receive only high quality tubes. We also provide various test certificates and documents together with our SS 304 Seamless Pipes including Manufacturer Test Certificate according to EN 10204/3.1B, 100% Radiography Test Report, Third Party Inspection Report, etc. We supply these SS 304 Seamless Tubes to various cities across Patna.

Stainless Steel UNS S30409 Seamless Pipe Stockist in Patna, Stainless Steel UNS S30403 SMLS Pipe Stockist in Kopakala, UNS S30403 Stainless Steel SMLS Tube Dealer in Bihta, ASME SA312 Stainless Steel 304H Seamless Pipe Manufacturer in Patna, ASTM A249 Stainless Steel TP304L SMLS Tube Dealer in Gidha.

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

SS UNS S30409 Seamless Tube are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of SS UNS S30400 SMLS Tube through a worldwide network of stock-keeping branches. These are use in various industries like :
Application Industry

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