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

Stainless Steel 321/321H Seamless Pipes/Tubes in Thane

Stainless Steel 1.4878 SMLS Tube Supplier in Thane, Stainless Steel 1.4878 SMLS Pipe Manufacturer in Badlapur, SS 321H TP321 ASME SA269 Seamless Tube Manufacturer in Murbad, SS 1.4878 SMLS Tube Dealer in Dombivli, SS ASME SA312 TP321 Seamless Pipe Dealer in Tarapur.

Table of Content:

ASTM A312 SS 321 SMLS Pipes Supplier in Wagle, Stainless Steel ASME SA269 321H Seamless Tube in Kalyan, SS 1.4878 SMLS Tubing Dealer in Wagle, ASTM A269 Stainless Steel 321 SMLS Tube Dealer in Thane, ASTM A312 Stainless Steel TP321H SMLS Pipe Dealer in Tarapur.

Preston Pipes & Alloys is a prominent manufacturer, distributor and exporter of Stainless Steel 321/321H Seamless Pipes/Tubes in Mumbai, India.

SS 321 Seamless Tubes are utilized for applications with a temperature range of up to around 900 degrees C, integrating high toughness, resistance to scaling and phase stability with resistance to subsequent aqueous corrosion. Stainless Steel 321H Seamless Tubes have outstanding forming and welding characteristics, superior durability, even down to cryogenic temperatures. Stainless Steel 321 Seamless Tubes demonstrate resistance to oxidation in temperature ranges up to 1500 degrees F, superior creep and stress rupture properties, and good cryogenic temperature toughness.

Stainless Steel 321H Seamless Pipes is the modified high carbon version of SS 321 a general purpose austenitic SS that is strengthened against carbide precipitation. SS 321 Seamless Tubes are used in numerous applications due to their improved creep resistance and superior toughness at temperatures above 1000 degrees F. Our Stainless Steel 321 Seamless Tubes are well-known for their characteristics like durability, seamless finishing, easy machinability, ready weldability by most standard methods, and dimensional accuracy and highly demanded across India. SS 321H Seamless Tubes are developed to work within the carbide precipitation temperature range 800 to 1500 degrees F.

SS 321H Seamless Tubes are supplied by us in various industrial application across India these industries include Aerospace Engineering, Petrochemical Equipment, Petroleum Industry, Breweries, Oil and Gas Refining, Desalination Plants, and Pharmaceutical Production, etc. 321 Stainless Steel Seamless Pipes can be utilized in most diluted organic acids at medium temperatures and in pure phosphoric acid at lower temperatures and up to 10% diluted solutions at high temperatures. Stainless Steel 321 Seamless Pipes are immune to polythionic acid stress corrosion cracking in hydrocarbon service and are used in chloride free caustic solutions at moderate temperatures.

We at Preston Pipes & Alloys make sure that our consumers get only high quality products and undertake numerous quality checks such as Mechanical Testing, Chemical Analysis, Positive Material Identification Testing, and so on. We also provide numerous test certificates along with our Stainless Steel 321H Seamless Tubes including Manufacturer Test Certificate according to EN 10204/3.1B, 100 per cent Radiography Test Report, Quality Certificates, Third Party Inspection Report. We supply these Stainless Steel 321 Seamless Tubes to various regions across India.

Stainless Steel UNS S32109 SMLS Pipe Stockist in Thane, SS 1.4541 Seamless Pipe in Murbad, UNS S32100 SS SMLS Tubing Dealer in Dombivli, ASTM A312 SS TP321H SMLS Pipe Dealer in Thane, ASTM A249 SS TP321H SMLS Tube Stockist in Kalyan.

Equivalent Grades

SS 321 1.4541 S32100 SUS 321 X6CrNiTi18-10
SS 321H 1.4878 S32109 SUS 321H X6CrNiTi18-9
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 N Ni Ti
SS 321 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 - 19.00 0.10 max 9.00 - 12.00 5(C+N) – 0.70 max
SS 321H 0.04 – 0.10 2.0 max 1.0 max 0.045 max 0.030 max 17.00 - 19.00 0.10 max 9.00 – 12.00 4(C+N) – 0.70 max

Mechanical Properties

Grade Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
321/321H 8.0 g/cm3 1457 °C (2650 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

Types Of Grade 321/321H Stainless Steel Seamless Pipes/ Tubes

PipeStainless Steel Grade 321/321H Seamless Pipe

Pipe SS 321/321H Seamless Tubes Equivalent Grades

Application Industry

SS 321H Seamless Tube are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of Stainless Steel UNS S32100 SMLS Tubing through a worldwide network of stock-keeping branches. These are use in various industries like :

Application Industry

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