Stainless Steel 321/321H Pipes Supplier

Stainless Steel 321 Pipes, ASME SA 312 321 Stainless Steel Pipes, 321H Stainless Steel Pipe, SS TP 321H Welded Pipes, 321/321H SS Pipes, Stainless Steel 321 Seamless Pipes, Stainless Steel 321H Pipe, ASTM A312 TP 321/321H Stainless Steel Pipes Manufacturer in India.

Alloy 321 is a titanium-stabilized austenitic SS known for its superior general corrosion resistance. It performs exceptionally well against intergranular corrosion, even when exposed to temperatures between 427°C and 816°C where chromium carbide precipitation occurs. This alloy resists oxidation up to 816°C and exhibits high creep and stress rupture resistance, along with good toughness at low temperatures. The 321H stainless steel variant, with its higher carbon content, is engineered to offer enhanced strength at temperatures above 537°C. This makes SS321/SS321H pipes and tubes particularly valuable, as they often meet dual certification requirements.

Solitaire Overseas excels as a premier 321 stainless steel pipe supplier, providing top-quality SS321/SS321H pipes and tubes. Our alloy 321 pipe offerings are manufactured to meet rigorous national and international standards. We supply a broad range of SS321 and SS321 material in various sizes, wall thicknesses, lengths, and diameters. Our products are available in customized specifications to suit specific needs and are offered at competitive market rates for both global and national clients.

Stainless Steel 321/321H Pipes

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SS 321/321H Pipe

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Stainless Steel 321/321H Pipes

Features it possesses-
As the SS321/SS321H pipes are manufactured using pure quality of stainless steel alloy, it tends to offer many good attributes. It is like durability, flexibility, toughness, high durability, longevity, high tensile strength, good dimensional accuracy, fine surface finishes etc. Also, it is having greater resistant ability against pitting, corrosion, oxidation, stress corrosion cracking and crevice corrosion.
Testing-
Positive material identification test, intergranular corrosion test, pitting resistant test, mechanical test, chemical test, macro/micro test, flattening/flaring test are tests conducted.
Documents provided-
Heart treatment chart, quality assurance plan, commercial invoice, certificate of origin, raw material test report, material traceability report etc are a few essential documents provided to the buyers. Additionally, the other documents like MTC as per EN 10204/3.1B, TC like radiography test report and the third party test report are provided.
Packaging-
SS321/SS321H pipes are packed in wooden cases/pallets, bundles only to assure safer and harmless shipping of the product to its buyers.

TP321H SS Square Pipe, 321 SS Round Pipes, Stainless Steel 321 Pipe Stockist, ASTM A358 SS 321H EFW Pipe, SS 1.4541 Welded Pipes, SS S32109 Pipes, Werkstoff Nr 1.4878 Pipes, Stainless Steel 321/321H Pipes Supplier, Austenitic Stainless Steel 321/321H Pipes, SS UNS S32100 Seamless Pipes in Mumbai, India.

Specification

Specifications

ASTM A312, A358 / ASME SA312, SA358
01

Dimensions

ASTM, ASME and API
02

Seamless Pipe Size

1/2″ NB – 16″NB
03

ERW Pipe Size

1/2″ NB – 24″ NB
04

EFW Pipe Size :

6″ NB – 100″ NB
05

Outside Diameter :

6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available
06

Length

Single Random, Double Random & Required Length
07

Thickness

0.3mm – 50 mm
08

Schedule

SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH120, SCH140, SCH160, XXS
09

Type

Seamless, Welded, ERW, EFW
10

Form

Round Pipes, Square Pipes, Rectangular Pipe
11

End

Plain End, Beveled End, Treaded
12

Stainless Steel 321/321H Pipes Equivalent Grades

STANDARD WERKSTOFF NR. UNS JIS EN
SS 321 1.4541 S32100 SUS 321 X6CrNiTi18-10
SS 321H 1.4878 S32109 SUS 321H X12CrNiTi18-9

SS 321/321H Pipes Chemical Composition

Element SS 321 SS 321H
C 0.08 max 0.04 – 0.10
Mn 2.0 max 2.0 max
Si 1.0 max 1.0 max
P 0.045 max 0.045 max
S 0.030 max 0.030 max
Cr 17.00 - 19.00 17.00 - 19.00
N 0.10 max 0.10 max
Ni 9.00 - 12.00 9.00 – 12.00
Ti 5(C+N) – 0.70 max 4(C+N) – 0.70 max

Stainless Steel 321/321H Pipes Mechanical & Physical Properties

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

Stainless Steel 321/321H Pipe Application

SS 321 Pipes in various Application Industries
  Food Processing Industry
  Fabrication Industry
  Oil and Gas Industry
  Chemical Industry
  Plumbing
  General Purpose Applications
  Heating
  Water Supply Systems
  Power Plant
  Paper & Pulp Industry

 

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FAQ

The key difference between SS 321 and 321H is carbon content: SS 321 has a maximum of 0.08% carbon, while 321H ranges from 0.04% to 0.10%. Both have similar compositions.

321 stainless steel is a heat-resistant grade known for its good corrosion resistance and strength at high temperatures. This austenitic alloy maintains toughness and overall strength even at cryogenic temperatures, making it suitable for a range of high-temperature applications.