ASTM A358 TP 321 Stainless Steel EFW Pipes, 321 Stainless Steel Seamless Manufacturer

SS JIS SUS 321 Pipes, Stainless Steel 321H Pipes Exporters, Stainless Steel WERKSTOFF NR. 1.4541 Pipe

Stainless 321 is chromium-nickel steel which was developed with improved intergranular-corrosion resistance. Stainless 321 is resistant to atmospheric corrosion, sterilizing solutions, many organic chemicals, and a wide variety of inorganic chemicals. Type 321, SS JIS SUS 321 Pipes, 321H Stainless Steel Seamless Pipes should be used for applications requiring heating between 800 °F and 1650 °F such as aircraft collector rings, expansion joints, exhaust manifolds, and high temperature chemical process equipment.

Stainless Steel 321 Pipe Suppliers
Stainless Steel 321 Pipe Suppliers
Stainless Steel 321 Seamless Pipe
Stainless Steel 321 Seamless Pipe
SS 321H Welded Pipe
SS 321H Welded Pipe

We are leading manufacturer, exporter & suppliers of high quality ASTM A312 TP 321 Stainless Steel Pipes, ASTM A358 TP 321 Stainless Steel EFW Pipes, Welded Pipes, Seamless Pipes. These Stainless Steel 321H ERW Pipes has extensive use in aircraft parts, such as exhaust systems where operating temperatures are higher than 800 ° F. These pipes are smoothly processed by our highly veteran experts by using basic material according to the market prevalent norms. We manufacture in SS UNS S32109 Welded 321 Pipe, Suppliers of ASTM A312 TP 321 Stainless Steel Seamless Pipes,321 SS Hollow Pipe, Stainless Steel WERKSTOFF NR. 1.4541 Pipe. We make use of the latest machines and the best technology to fabricate the pipes made available by us.

Stainless Steel 321H Pipes to 1750 ° F – 2050 ° F (954 ° C – 1121 ° C), then water quench or air cool. Our Stainless Steel 321 Seamless Pipes can be stress-relief annealed within the sensitization temperature range 450 Deg C – 800 Deg C without carbide precipitation occurring, thus avoiding the possibility of inter-granular corrosion. Our Stainless Steel 321 Round Pipes has slightly less corrosion resistance to atmospheric conditions than Alloy 302 or Alloy 304 in the annealed condition. These Stainless Steel 321H Square Pipes, ASTM A312 TP321 Stainless Steel Seamless Pipes has equipment and storage units for Food processing and Aerospace applications. The overall characteristics of these Stainless Steel 321H Welded Pipes make it an excellent, relatively low cost choice for many applications. Our Stainless Steel 321 EFW Pipes is generally considered to have comparable weldability to Stainless Steel 304 and Stainless Steel 304L with the main difference being the titanium addition which reduces or prevents carbide precipitation during welding.

SS DIN 1.4878 Rectangular Welded Pipes Specification

Specifications ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790
Dimensions ASTM, ASME and API
Size  1/8″NB TO 30″NB IN
321 Pipes & Tubes 1/2" NB - 24" NB
EFW 321H Pipes & Tubes 6" NB - 100" NB
ERW 321 Pipes & Tubes 1/2" NB - 24" NB
Specialized in Large Diameter Size
Thickness SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type  Seamless / ERW / Welded / Fabricated / LSAW Pitdes
Form  Round, Square, Rectangular, Hydraulic Etc
Length  Single Random, Double Random & Cut Length.
End  Plain End, Beveled End, Treaded

ASTM A312 SS Seamless Pipes Chemical Composition

Grade Ni C Mn P S Si Cr Mo N TI
321 Max 12.00 0.08 2.00 0.045 0.030 1.00 19.0 3 – 4 0.10 max 0.70
Min 9.00 - - - - - 17.0 - - 5(C+N) 
321H Max 12.00 0.08 2.00 0.045 0.030 1.75 19.0 3 – 4 0.10 0.70
Min 9.00 0.04 - - - - 17.0 - - 4(C+N) 

TP 321H Stainless Steel Pipes Mechanical Properties

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
321 515 205 40% 95 217
321H 515 205 40% 95 217

Grade Density
(kg/m3)
Elastic Modulus
(GPa)
Mean Co-eff of Thermal Expansion (µm/m/°C) Thermal Conductivity
(W/m.K)
Specific Heat 0-100°C
(J/kg.K)
Elec Resistivity
(nΩ.m)
0-100°C 0-315°C 0-538°C At 100°C At 500°C
321 8027 193 16.6 17.2 18.6 16.1 22.2 500 720

TP 321 Stainless Steel Pipes Equivalent Grades

STANDARD WERKSTOFF NR. UNS
SS 321 1.4541 S32100
SS 321H 1.4878 S32109

ASTM A312 SS 321 Round Pipes Grade Specification

Grade UNS   No Old British Euronorm Swedish   SS Japanese   JIS
BS En No Name
321 S32100 321S31 58B,  58C 1.4541 X6CrNiTi18-10 2337 SUS 321
321H S32109 321S51 - 1.4878 X6CrNiTi18-10 - SUS 321H

Types Of Stainless Steel 321/321H Pipes

  • Stainless Steel TP 321 Seamless Pipes
  • Stainless Steel TP 321 Seamless Tubing
  • ASTM A213 Stainless Steel Welded Pipes
  • A249 SS TP 321H Welded Tubes Suppliers
  • ASTM A312 321 Stainless Steel ERW Pipes Manufacturer
  • A312 SS 321 Rectangular Seamless Pipes Manufacturer
  • ASTM A213 321H Stainless Steel Rectangular Tubes
  • TP 321 Stainless Steel ERW Tubes Distributors
  • UNS S32100 Stainless Steel Coiled Seamless Tubing
  • Top Quality Stainless Steel TP 321 Heat Ex-changer Tubes
  • Stainless Steel DIN 1.4541 Round Tubing Exporter
  • ASTM A249 321 Stainless Steel Square Seamless Pipes
  • ASME TP 321H Stainless Steel Electric Fusion Welding Pipes
  • Stainless Steel 321H Workstoff Nr. 1.4878 Pipes
  • ASTM A312 TP 321 SS Seamless Pipes Manufacturer
  • SS 321 Polished Pipes
  • TP 321 SS ERW Pipes Exporter
  • ASTM A213 SS TP321 Pipes
  • ASTM A312 SS Seamless Pipes
  • TP 321H SS ERW Pipes Exporter
  • TP 321H SS Polished Pipes
  • ASTM A312 SS 321H Round Pipes
  • TP 321H SS EFW Tubing Stockiest in India
  • Stainless Steel JIS SUS 321 Cold Rolled Coiled Tubing
  • ASTM A249 321 Stainless Steel Tubing
  • SS 321 Austenitic Stainless Steel Pipes & Tubes
  • TP 321H Stainless Steel LSAW Pipes Dealers
  • ASTM A213 Stainless Steel TP 321 Capillary Tube
  • Stainless Steel 321H U Shaped Tubing Stockholder
  • TP 321 Stainless Steel Hydraulic Tubes Suppliers
  • A213 SS 321 Electric Resistance Welding Pipes Suppliers
  • Stainless Steel ASTM A213 TP 321 Welded Tubing
  • AISI Stainless Steel ASTM A249 321H Seamless Tubing
  • SS ASME SA 269 TP 321H Welded Tubes Exporter
  • TP 321 Stainless Steel Instrumentation Tubes Exporter
  • Stainless Steel UNS S32109 Pipes
  • ASTM A312 SS 321 Round Pipes
  • SS DIN 1.4541 Rectangular Welded Pipes
  • SS UNS S32100 Square Pipes
  • SS DIN 1.4878 Rectangular Welded Pipes
  • ASTM A249 TP 321H SS Seamless Pipes Manufacturer
  • SS UNS S32109 Square Pipes Suppliers
  • ASTM A213 TP321H Pipes