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

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

SS 1.4307 SMLS Tube Stockist in Visakhapatnam, SS UNS S30409 Seamless Pipes Supplier in Parawada, SS TP304H ASME SA249 Seamless Tubing Stockist in Suryabagh. Stainless Steel ASME SA269 TP304L SMLS Tube Supplier in Duvvada, Stainless Steel 1.4301 SMLS Tube Supplier in Siddeswaram

Table of Content:

SS ASTM A312 304L SMLS Pipe Supplier in Gajuwaka, ASME SA269 SS 304 SMLS Tubing in Visakhapatnam, ASTM A312 SS TP304 SMLS Pipe Dealer in Siddeswaram, SS 1.4301 Seamless Tube Manufacturer in Allipuram, ASTM A312 SS TP304H SMLS Pipes Dealer in Gajuwaka

Preston Pipes and Alloys is a leading manufacturer, supplier, stockist and exporter of Stainless Steel 304/304L/304H Seamless Pipes/Tubes in Siddeswaram, Visakhapatnam. We manufacture these SS 304 Seamless Pipes by utilizing certified quality raw materials and modern technology machinery in compliance with national and international quality standards under the supervision of our professional team. We manufacture these SS 304 Seamless Pipes in a number of standard sizes, specifications, wall thickness, lengths, and also in customized specifications as per the requirements of various industries at fair prices across Visakhapatnam.

Stainless Steel 304 Seamless Tubes have exceptional machinability, exceptional corrosion resistance, pitting and crevice corrosion resistance, exceptional resistance to corrosion in a wide variety of chemicals, especially in acidic chloride environments. Stainless Steel 304L Seamless Tubes are particularly immune to atmospheric corrosion, food, and certain organic and inorganic chemicals in mildly oxidizing conditions to low reducing conditions. SS 304L Seamless Tubes are highly resistant to precipitation of carbides and can be heated up to temperature range of 425 to 860 degrees C. Our SS 304L Seamless Tubes have achieved a position in various cities in Visakhapatnam because of the superlative toughness, durability and dimensional precision.

Our technical knowledge and accurate producing methods make us one of the notable Stainless Steel 304 Seamless Pipes exporters in Visakhapatnam.ASTM SA312 GR. TP 304 SS Seamless Pipes are immune to decent amounts of potable water in high temperatures. Stainless Steel 304H Seamless Pipes have exceptional oxidation resistance in continuous service to 925 degrees C and in intermittent service to 870 degrees C. Stainless Steel 304L Seamless Tubes are used in applications such as food processing equipment, Specialty Chemicals, Pharmaceutical Industry, Pressure Vessels, Sea Water Equipment, Condensers, Paper and Pulp Mills, etc.

We at Preston Pipes and Alloys make sure our SS 304L Seamless Pipes undergo various quality tests such as Hardness Testing, Chemical Analysis, Mechanical Testing, Positive Material Identification Testing, etc., to ensure that our customers receive only superior quality pipes. We also provide various test certificates and documents along with our SS 304H Seamless Tubes including Manufacturer Test Certificate according to EN 10204/3.1B, 100% Radiography Test Report, Third Party Inspection Report, etc. We export these SS 304L Seamless Pipes to various regions across Visakhapatnam.

Stainless Steel UNS S30403 Seamless Pipe Dealer in Visakhapatnam, SS UNS S30403 SMLS Pipes Dealer in Suryabagh, 1.4307 Stainless Steel Seamless Tube Distributor in Allipuram, ASTM A312 Stainless Steel 304L Seamless Pipes Stockist in Visakhapatnam, ASTM A249 Stainless Steel 304H SMLS Tubing Stockist in Duvvada.

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 S30400 Seamless Pipe are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of Stainless Steel 1.4307 SMLS Pipe through a worldwide network of stock-keeping branches. These are use in various industries like :
Application Industry

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