CBAM
  • Our Steel Forging and Fabricated Products Comply CBAM
  • Requirement and Provide Required Documentation
321 Stainless Steel Pipe

321 Stainless Steel Pipe

Sizes in Stock
Sizes in Stock SS 321 Seamless Pipe OD: 1/8 to 12" NPS WNR 1.4541 Welded Pipe OD: 6.35 to 114.3 mm
European & American Standard
European & American Standard: ASTM A312, ASME SA312, UNS S32100, WNR 1.4541 Other: X6CrNiTi 18-10, SS 2337, BS 321S31
End
Pipe End :Plain, Threaded, Beveled End
Schedule
Pipe Schedule: 5 to XXH
Pressure
Saudi Arabian Standard: SASO-ASTM-A733, A312M, SASO 7306
Length
Pipe Length: Custom
Delivery Time
Delivery Time: Mauritius: 17-19 Days USA: 25-30 Days
Ex.Stock
Ex.Stock : Outokumpu, Jindal, KOBELCO, Salzgitter Mannesmann, OS-LOK, SMT
Process
Process: ERW, Seamless,Welded
Origin
Origin: Indian, European, Japanese
Testing
Testing: ASTM E10, E140, E18, E38, E1473, E8
MTC Certificate
MTC Certificate: EN 10204 3.1 and 3.2
mail
sales@siddhagirimetals.com
321 Stainless Steel Pipe Specification


Supplier of SS 321 Seamless and Welded Pipe with MTC Available in Round, Square, and Rectangular Shapes

SS 321 Seamless Pipe Certificates

  • Raw Materials Certificate
  • Third Party Inspection Report, etc
  • EN 10204/3.1B,
  • 100% Radiography Test Report

 

ASTM A312 Type 321 Round Pipe

ASTM A312 Type 321 Round Pipe

Stainless Steel 321 Square Pipe

Stainless Steel 321 Square Pipe

SUS 321 Rectangular Pipe

SUS 321 Rectangular Pipe

 

Siddhagiri Metals & Tubes

Table of Content

321 Stainless Steel Pipe Specification

Top-tier 321 Stainless Steel Pipe Manufacturer in India, offering precision-made products that provide excellent resistance.

 

321 Stainless Steel Pipe

 

Seamless Pipe Sizes

SS 321 Seamless Pipe Sizes

  • Outside Diameter: 1/8 to 12" NPS
  • Wall Thickness:0.6 to 12.7 mm
  • Length:Single, Double Random & Cut Length
  • Schedule: 5 to XXH
Welded Pipe Sizes

ASTM A312 TP321 Welded Pipe Sizes

  • Outside Diameter: 6.35 to 114.3 mm
  • Wall Thickness: 0.8 to 12.7 mm
  • Length:up to 26 Meters
  • Schedule: 5 to 80S
Thick Walled Pipe Sizes

WNR 1.4541 Thick-Walled Pipe Sizes

  • Outside Diameter: 10-600mm
  • Wall Thickness: 2.5 - 100mm
  • Length: 0.5- 12 meter
Form

SUS 321 Exhaust Pipe Forms

  • Round
  • Square
  • Rectangle etc.
Method

AISI 321 ERW Pipe Method

  • Precision Rolled
  • Cold Formed
  • Hot Formed
Physical Properties

SS 321 Pipe Physical Properties

  • Density: 8.03 g/cm³
  • Melting Point: 2500–2550 °F (1371–1400 °C)
  • Temprature Range:1,650°F (843–899°C)
Standards

321 Stainless Steel Pipe Standards

  • ASTM: A312 | ASME : SA312
  • UNS: S32100 | WNR: 1.4541
  • Trade name: Nirosta 4541, Polarit 731,Remanit 4541

Origin

ASTM A312 Grade 321 Hot Finished Pipe Origin

  • Japanese
  • Indian, Korean
  • European, American
Manufacturing Process

AISI 321 ERW Pipe Manufacturing Process

  • ERW
  • Seamless
  • Welded
Finish

UNS S32100 Clad Pipe Finish

  • Bright
  • Polished
  • Annealing
Testing

WNR 1.4541 Welded Pipe Testing

  • Chemical
  • PMI
  • Mechanical
  • Ultrasonic
Documentation

321 SS Square Pipe Test Certificate

  • MTC EN 1024 3.1/3.2
  • Third Party Inspection
  • Manufacturer Test Certificate
  • Laboratory Test Report from Government Certified Lab
Application

INOX 321 Cold Drawn Pipe Application

  • Heat Exchangers
  • Construction materials
  • Railway cars
  • Food processing equipment
Packaging

Packing of ASTM A312 Type 321 Pipes

  • Wooden Boxes
  • Bubble wraps
  • Steel Strips Bundled
  • Custom

Siddhagiri Metals and Tubes is a suppliers and stockist of AISI 321 Seamless Pipes in accordance with ANSI B36.19M and ANSI B36.10 dimension standards. We specialise in manufacturing and stocking TP 321 pipes available upto 36" inches in size. Contact us for best price.

 

Manufacturer of WNR 1.4541 ERW Pipe and ASTM A312 TP321 Tube in India, which are available in a range 1/8 to 12 inch OD

Stainless Steel 321 Pipe Sizes

OD (mm) WT (mm) Sch in. Kg/m
13.72 1.65 10S 1/4 0.50
17.15 1.65 10S 3/8 0.64
21.34 2.11 10S 1/2 1.02
26.67 2.11 10S 3/4 1.30
33.40 2.77 10S 1 2.13
42.16 2.77 10S 1¼ 2.73
48.26 2.77 10S 1½ 3.16
60.33 2.77 10S 2 3.99
73.03 3.05 10S 2½ 5.35
88.90 3.05 10S 3 6.56
101.60 3.05 10S 3½ 7.53
114.30 3.05 10S 4 8.50
141.30 6.55 40S 5 22.10
168.28 3.4 10S 6 14.04
219.08 8.18 40S 8 43.20

AISI 321 Seamless Pipe Sizes in Stock

Pipe Form Size Range Dimension Standards Thickness
321 SS Seamless Pipe 1/8" to 16" inches ANSI B36.10, ANSI B36.19, ANSI B36.19M Sch 5, Sch 5s, Sch 10, Sch 10s, Sch 20, Sch 30, Sch 40s, Sch 40, Sch STD, Sch 60, Sch 80s, Sch 100, Sch 120, Sch XS, Sch XXS, Sch 160

Dimensions of AISI 321 ERW Pipe

Dimensions of AISI 321 ERW Pipe

 

Size (in.) OD (mm) OD (in.) WT (in.) WT (mm) Weight (kg/m) Weight (lb/ft)
1/2 21.3 0.840 0.065 1.65 0.80 0.54
8 219.1 8.625 0.109 2.77 14.87 9.99
12 323.9 12.750 0.156 3.96 31.44 21.13
1 33.4 1.315 0.065 1.65 1.30 0.87
18 457.0 18.000 0.165 4.19 47.09 31.64
1 1/4 42.2 1.660 0.065 1.65 1.66 1.12
22 559.0 22.000 0.188 4.78 65.75 44.18
10 273.1 10.750 0.134 3.4 22.76 15.29
2 1/2 73.0 2.875 0.083 2.11 3.71 2.49
6 168.3 6.625 0.109 2.77 11.38 7.65
14 355.6 14.000 0.156 3.96 34.56 23.22
3 1/2 101.6 4.000 0.083 2.11 5.21 3.50
3/4 26.7 1.050 0.065 1.65 1.03 0.69
1 1/2 48.3 1.900 0.065 1.65 1.91 1.28
30 762.0 30.000 0.250 6.35 119.09 80.02
2 60.3 2.375 0.065 1.65 2.40 1.61
3 88.9 3.500 0.083 2.11 4.54 3.05
16 406.4 16.000 0.165 4.19 41.83 28.11
5 141.3 5.563 0.109 2.77 9.52 6.40
4 114.3 4.500 0.083 2.11 5.88 3.95
24 610.0 24.000 0.218 5.54 83.11 55.85
20 508.0 20.000 0.188 4.78 59.70 40.12

Weekly Delivery of 321 Stainless Steel Pipe in below Countries

Export to Continent Port Shipping time
Peru
Peru		 South America Santos Port 23-55 Days
Morocco
Morocco		 Africa Durban Port 15-33 Days

321 Stainless Steel Pipe Monthly Delivery in below Nation

Export to Continent Port Shipping time
Bahrain
Bahrain		 Asia Shenzhen Port 9 Days
Algeria
Algeria		 Africa Lagos Port 27 Days

Stockist of 321 Stainless Rectangular Pipe as per ASTM A312 Standard

321 Stainless Rectangular Pipe ASTM Standards

ASTM ASME
A358 TP321 SA358 TP321
A312 TP321 SA312 TP321
A213 TP321 SA213 TP321
A269 TP321 SA269 TP321
A249 TP321 SA249 TP321
A409 TP321 SA409 TP321
A813 TP321 SA813 TP321
A376 TP321 SA376 TP321
A814 TP321 SA814 TP321
A511 TP321 SA511 TP321
A554 TP321 SA554 TP321
A632 TP321 SA632 TP321
A778 TP321 SA778 TP321
A688 TP321 SA688 TP321

SS 321 Seamless Pipe Equivalent Standards

Grade UNS No Euronorm Old British Japanese JIS Swedish SS
Name No En BS
321 S32100 X6CrNiTi18-10 1.4541 58B, 58C 321S31 SUS 321 2337

SS 321 Pipe HS Code

Material HS code
SS 321 73044900

Pressure Rating of 321 Stainless Steel Pipe

Size (inch) Temperature (°F)
750 700 650 600 500 400 300 200 100
10" 578 584 596 615 945 694 755 840 974
8" 637 644 657 678 711 765 832 926 1073
6" 724 732 747 770 808 869 945 1052 1219
5" 797 805 822 847 889 956 1040 1158 1342
4" 909 919 938 967 1014 1091 1187 1321 1531
3" 1072 1084 1106 1140 1196 1287 1400 1558 1806
2" 1129 1141 1165 1201 1260 1355 1474 1640 1902
1.5" 1340 1354 1383 1425 1496 1608 1750 1947 2257
1" 1810 1824 1867 1924 2019 2171 2362 2629 3048
Exporter of AISI 321 Seamless Tube provide PMI and Ultrasonic Test at affordable Cost in Mumbai

Test of Tp321 Stainless Steel Welded Pipe

Test of Tp321 Stainless Steel Welded Pipe

SS 321 Pipe Price

For the most affordable 321 Stainless Steel Pipe, Click here

Schedule Chart of Stainless Steel 321 Pipe

NPS OD DN SCH-l0s SCH-5s SCH-10 SCH-30 SCH-20 SCH40s SCH-40 SCH-STD SCH-60 SCH-XS SCH80s SCH-80 SCH-120 SCH-100 SCH-140 SCH-XXS SCH-160
1/4 13.7 8 1.65 - - - - 2.24 2.24 2.24 - 3.02 3.02 3.02 - - - - -
1/2 21.3 15 2.11 1.65 - - - 2.77 2.77 2.77 - 3.73 3.73 3.73 - - - 7.47 4.78
3/8 17.1 10 1.65 - - - - 2.31 2.31 2,31 - 3.20 3.20 3.20 - - - - -
3/4 26.7 20 2.11 1.65 - - - 2.87 2.87 2.87 - 3.91 3.91 3.91 - - - 7.82 5.56
1 1/4 42.2 32 2.77 1.65 - - - 3.56 3,56 3.56 - 4.85 4.85 4.85 - - - 9.70 6.35
1 33.4 25 2.77 1.65 - - - 3.38 3.38 3.38 - 4.55 4.55 4.55 - - - 9.09 6.35
1 1/2 48.3 40 2.77 1.65 - - - 3.68 3.68 3.68 - 5.08 5.08 5.08 - - - 10.15 7.14
2 1/2 73 65 3.05 2.11 - - - 5.16 5.16 5.16 - 7.01 7.01 7.01 - - - 14.02 9.53
2 60.3 50 2.77 1.65 - - - 3.91 3.91 3.91 - 5.54 5.54 5.54 - - - 11.07 8.74
3 88.9 80 3.05 2.11 - - - 5.49 5.49 5.49 - 7.62 7.62 7.62 - - - 15.24 11.13
4 114.3 100 3.05 2.11 - - - 6.02 6.02 6.02 - 8.56 8.56 8.56 11.13 - - 17.12 13.49
3 1/2 101.6 90 3.05 2.11 - - - 5.74 5.74 5.74 - 8.08 8.08 8.08 - - - - -
5 141.3 125 3.40 2.77 - - - 6.55 6.55 6.55 - 9,53 9.53 9.53 12.70 - - 19.05 15.88
8 219.1 200 3.76 2.77 - 7.04 6.35 8.18 8.18 8.18 10.31 12.70 12.70 12.70 18.26 15.09 20.62 22.23 23.01
1/8 10.3 6 1.24 - - - - 1.73 1.73 1.73 - 2.41 2.41 2.41 - - - - -
6 168.3 150 3.40 2.77 - - - 7.11 7.11 7.11 - 10.97 10.97 10.97 14.27 - - 21.95 18.26
10 273.1 250 4.19 3.40 - 7.80 6.35 9.27 9.27 9.27 12.70 12.70 12.70 15.09 21.44 18.26 25.40 25.40 28.58
14 355.6 350 4.78 3.96 6.35 9.53 7.92 - 11.13 9.53 15.09 12.70 - 19.05 27.79 23.83 31.75 - 35.71
12 323.9 300 4.57 3.96 - 8.38 6.35 9.53 10.31 9.53 14.27 12.70 12.70 17.48 25.40 21.44 28.58 25.40 33.32
16 406.4 400 4.78 4.19 6.35 9.53 7.92 - 12.70 9.53 i6.66 12.70 - 21.44 30.96 26.19 36.53 - 40.49
20 508 500 5.54 4.78 6.35 12.70 9.53 - 15.09 9.53 20.62 12.70 - 26.19 38.10 32.54 44.45 - 50.01
18 457.2 450 4.78 4.19 6.35 11.13 7.92 - 14.27 9.53 19.05 12.70 - 23.83 34.93 29.36 39,67 - 45.24

321 Stainless Steel Pipe Types

Distinguished 321 Stainless Steel Pipe Supplier in India, known for providing high-temperature resistant pipes.

 

SS 321 Annealed Pipe

SS 321 Annealed Pipe

DIN 1.4541 Hot Finished Pipe

DIN 1.4541 Hot Finished Pipe

AISI 321 Cold-Finished Pipe

AISI 321 Cold-Finished Pipe

 

SS 321 Seamless Pipe

SS 321 Seamless Pipe

321 Decorative Pipe

321 Decorative Pipe

INOX 321 ERW Pipe

INOX 321 ERW Pipe

 

Alloy 321 Polished Pipe

Alloy 321 Polished Pipe

ASTM A312 Grade 321 Welded Pipe

ASTM A312 Grade 321 Welded Pipe

UNS S32100 Steel Thick Wall Pipe

UNS S32100 Steel Thick Wall Pipe

 

ASTM A312 Type 321 Hot and Cold Finished Pipe with Plain and Beveled End, refer Properties

Ends of ASTM A312 Type 321 Hot Finished Pipe

Ends of ASTM A312 Type 321 Hot Finished Pipe

Alloy 321 Welded Pipe Physical Properties

Property Unit Value
Density lb/in³ 0.285
kg/dm³ 7.9
Modulus of Elasticity psi 29 x 10-6
GPa 200
Thermal Conductivity Btu/ft hr°F 8.7
W/m°C 15
Heat Capacity Btu/lb°F 0.12
J/kg°C 500
Electrical Resistivity Ω-inch 27.6 x 10-6
µΩm 0.73
Poissons ratio   0.3

SS 321 Seamless Pipe Temperature Rating

Properties (MPa) Temperature Range
800°C 700 °C 600 °C
Creep resistance Rz/100000 10 22 65
Rz/1000 30 88 200
Rz/10000 15 48 142
Creep limit R1/10000 10 30 85
R1/1000 15 45 110

Can SS321 be welded to SS316?

  • Yes, SS321 can be welded to SS316. It is a most common practice.

What are the key features and applications of the 321 Stainless Steel Pipe?

Key Features Applications
  • High-Temperature Resistance
  • Titanium Stabilization
  • Resistance to Oxidation and Scaling
  • High Strength and Toughness
  • Good Welding and Forming
  • Automotive Industry
  • Aerospace Industry
  • Food processing Industry
  • Chemical processing Industry
  • Petrochemical Industry
  • Medical Industry

Welding of 321 Pipe

Welding of 321 Pipe

321 Stainless Steel Pipe Chemical Composition

Ni

Nickel

9-12%

Cr

Chromium

17-19%

Ti

Titanium

0.700% max

N

Nitrogen

0.100% max

 

C

Carbon

0.080% max

Si

Silicon

0.750% max

P

Phosphorus

0.045% max

Mn

Manganese

2% max

Mechanical Properties of Alloy 321 Welded Pipe

Yield Strength
0.2% Proof
(MPa)		 Tensile strength
(MPa)		 Elongation
(% in 50mm)		 Hardness
(HRB)
MIN 205 515 40.00  
MAX       95

What are the advantages of 321 Stainless Steel Pipe?

  • High-Temperature Resistance
  • Mechanical Properties
  • Applications
  • Fabrication and Welding
  • Corrosion Resistance

 

Additional service : Small quantity | Custom order | hard to find items | Sourcing from other countries

Siddhagiri Metals & Tubes

Why Siddhagiri Metals & Tubes ?

  • PED 2014/68/ EU Approved Manufacturer for Steel Forgings.
  • Stockist, Wholesaler, Retailer and Trader of Steel Bars, Bolts and Nuts, Machined Components in Nickel Alloys, High Temperature Alloys, Super Alloys
  • Rank in Top 5 Exporter of Nickel Alloy Forgings in India and 73rd Position in Asia As Per Import and Export data of 2022
  • Supplying Oil and Gas Piping Products As Per Standard NACE MR0175 / ISO 15156 to the Netherlands, Tunisia, South Africa, Azerbaijan, Saudi Arabia, Alzeria, Morocco and Egypt Since 2002.
  • India's Largest Importer and Stockholder of Bolting Accessories in Ferrous and Non Ferrous Metals.

 

 

Let Us Know What You Need

We Cherish All Your Requirements

Contact Us