Stainless Steel 321 Tube Manufacturer, Supplier

We are leading Stainless Steel 321 Tube Manufacturer in Malaysia, UAE, Ireland, France, Mexico, Hong Kong, Bhutan, Netherlands, Lithuania, Finland, Portugal, Qatar, Iraq, Lebanon, Romania, Libya, Sri Lanka, South Korea, Sweden, Oman, Bulgaria, Mongolia, Japan and more.

Stainless Steel 321 Tube Manufacturer, 321 Stainless Steel Tubing Supplier, ASME SA312 Stainless Steel 321 Tubes

321 stainless steel tubing is a corrosion-resistant and long-lasting alloy of iron, carbon, and various concentrations of chromium and other elements. Stainless steel is a common option for a wide range of applications in numerous industries because of its high chromium content, which makes it highly resistant to rust and corrosion, even in hostile situations.

Siddhgiri Tubes, based in Mumbai, India, is a prominent Stainless Steel 321 Tube Manufacturer, Supplier & Exporter. As a top stainless steel 321 Tube manufacturer & supplier, we deliver higher pipes in accordance with different international standards. High-pressure equipment, boilers, heat exchanger tubes, air preheaters, steam release pipes, air cooler tubes, steam trap piping, and other applications all require 321 ss Tubes.

Stainless steel 321 Tubes are available in a variety of diameters, shapes, and grades to accommodate various uses. among the popular varieties of 321 stainless steel Tubes are:

Austenitic stainless steel 321 Tubes: The most popular and best at resisting corrosion, these pipes are made of stainless steel. It is frequently utilized in applications that call for high-temperature strength as well as oxidation and scaling resistance.

Ferritic stainless steel 321 Tubes: While less resistant to corrosion than austenitic stainless steel, they are nonetheless appropriate for some applications that do not need for high-temperature strength.

Martensitic stainless steel 321 Tubes: Compared to austenitic and ferritic stainless steel, martensitic stainless steel is more prone to corrosion, yet it is still strong and resilient. It is frequently employed in applications where great strength and wear resistance are necessary.



Stainless Steel 321 Tubing Specifications, Size Chart Table

Type Seamless / ERW / Welded / Fabricated / LSAW Pipes
Schedule SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Length Single Random, Double Random & Cut Length.
Form Round, Square, Rectangular, Hydraulic Etc
Specifications ASTM A 312 ASME SA 312 / ASTM A 358 ASME SA 358
Dimensions ASTM, ASME and API
SS 321/321H Pipes 1/2″ NB – 16″ NB
ERW 321/321H Pipes 1/2″ NB – 24″ NB
EFW 321/321H Pipes 6″ NB – 100″ NB
Size 1/8″NB TO 30″NB IN
Specialized in Large Diameter Size
End Plain End, Beveled End, Treaded

321 Stainless Steel Tube Pressure Rating Chart

OD inches Ave. Wall inches Min Yield Strength (PSI) Min Tensile Strength (PSI) Theoretical Burst Pressure * (PSI) Working Pressure (PSI) 25% of Burst Theoretical Yield Point ** (PSI) Collapse Pressure *** (PSI)
0.250 0.020 30,000 75,000 14,286 3,571 5,714 4,416
0.250 0.028 30,000 75,000 21,649 5,412 8,660 5,967
0.250 0.035 30,000 75,000 29,167 7,292 11,667 7,224
0.250 0.049 30,000 75,000 48,355 12,089 19,342 9,455
0.250 0.065 30,000 75,000 81,250 20,313 32,500 11,544
0.375 0.020 30,000 75,000 8,955 2,239 3,582 3,029
0.375 0.028 30,000 75,000 13,166 3,292 5,266 4,145
0.375 0.035 30,000 75,000 17,213 4,303 6,885 5,077
0.375 0.049 30,000 75,000 26,534 6,634 10,614 6,816
0.375 0.065 30,000 75,000 39,796 9,949 15,918 8,597
0.500 0.020 30,000 75,000 6,522 1,630 2,609 2,321
0.500 0.028 30,000 75,000 9,459 2,365 3,784 3,172
0.500 0.035 30,000 75,000 12,209 3,052 4,884 3,906
0.500 0.049 30,000 75,000 18,284 4,571 7,313 5,321
0.500 0.065 30,000 75,000 26,351 6,588 10,541 6,786
0.500 0.083 30,000 75,000 37,275 9,319 14,910 8,307
0.625 0.020 30,000 75,000 5,128 1,282 2,051 1,859
0.625 0.028 30,000 75,000 7,381 1,845 2,953 2,568
0.625 0.035 30,000 75,000 9,459 2,365 3,784 3,172
0.625 0.049 30,000 75,000 13,947 3,487 5,579 4,335
0.625 0.065 30,000 75,000 19,697 4,924 7,879 5,591
0.625 0.083 30,000 75,000 27,124 6,781 10,850 6,910
0.625 0.095 30,000 75,000 32,759 8,190 13,103 7,734
0.625 0.109 30,000 75,000 40,172 10,043 16,069 8,639
0.750 0.028 30,000 75,000 6,052 1,513 2,421 2,156
0.750 0.035 30,000 75,000 7,721 1,930 3,088 2,669
0.750 0.049 30,000 75,000 11,273 2,818 4,509 3,664
0.750 0.065 30,000 75,000 15,726 3,931 6,290 4,749
0.750 0.083 30,000 75,000 21,318 5,330 8,527 5,905
0.750 0.095 30,000 75,000 25,446 6,362 10,179 6,637
0.750 0.109 30,000 75,000 30,733 7,683 12,293 7,453
0.750 0.120 30,000 75,000 35,294 8,824 14,118 8,064
0.875 0.020 30,000 75,000 3,593 898 1,437 1,340
0.875 0.028 30,000 75,000 5,128 1,282 2,051 1,859
0.875 0.035 30,000 75,000 6,522 1,630 2,609 2,321
0.875 0.049 30,000 75,000 9,459 2,365 3,784 3,172
0.875 0.065 30,000 75,000 13,087 3,272 5,235 4,126
0.875 0.083 30,000 75,000 17,560 4,390 7,024 5,152
0.875 0.095 30,000 75,000 20,803 5,201 8,321 5,807
0.875 0.109 30,000 75,000 24,886 6,221 9,954 6,543
0.875 0.120 30,000 75,000 28,346 7,087 11,339 7,100
1.000 0.028 30,000 75,000 4,449 1,112 1,780 1,633
1.000 0.035 30,000 75,000 5,645 1,411 2,258 2,027
1.000 0.049 30,000 75,000 8,149 2,037 3,259 2,796
1.000 0.065 30,000 75,000 11,207 2,802 4,483 3,647
1.000 0.083 30,000 75,000 14,928 3,732 5,971 4,567
1.000 0.095 30,000 75,000 17,593 4,398 7,037 5,159
1.000 0.109 30,000 75,000 20,908 5,227 8,363 5,827
1.000 0.120 30,000 75,000 23,684 5,921 9,474 6,336
1.000 0.134 30,000 75,000 27,459 6,865 10,984 6,963
1.250 0.035 30,000 75,000 4,449 1,112 1,780 1,633
1.250 0.049 30,000 75,000 6,380 1,595 2,552 2,260
1.250 0.065 30,000 75,000 8,705 2,176 3,482 2,958
1.250 0.083 30,000 75,000 11,485 2,871 4,594 3,719
1.250 0.095 30,000 75,000 13,443 3,361 5,377 4,213
1.250 0.109 30,000 75,000 15,843 3,961 6,337 4,776
1.250 0.120 30,000 75,000 17,822 4,455 7,129 5,207
1.250 0.134 30,000 75,000 20,468 5,117 8,187 5,742
1.500 0.035 30,000 75,000 3,671 918 1,469 1,367
1.500 0.049 30,000 75,000 5,243 1,311 2,097 1,896
1.500 0.065 30,000 75,000 7,117 1,779 2,847 2,487
1.500 0.083 30,000 75,000 9,333 2,333 3,733 3,136
1.500 0.095 30,000 75,000 10,878 2,719 4,351 3,559
1.500 0.109 30,000 75,000 12,754 3,188 5,101 4,043
1.500 0.120 30,000 75,000 14,286 3,571 5,714 4,416
1.500 0.134 30,000 75,000 16,315 4,079 6,526 4,881
1.500 0.148 30,000 75,000 18,439 4,610 7,375 5,336
1.750 0.035 30,000 75,000 3,125 781 1,250 1,176
1.750 0.049 30,000 75,000 3,864 966 1,546 1,434
1.750 0.065 30,000 75,000 6,019 1,505 2,407 2,146
1.750 0.083 30,000 75,000 7,860 1,965 3,144 2,711
1.750 0.095 30,000 75,000 9,135 2,284 3,654 3,080
1.750 0.109 30,000 75,000 10,672 2,668 4,213 3,504
1.750 0.120 30,000 75,000 11,921 2,980 4,768 3,832
1.750 0.134 30,000 75,000 13,563 3,391 5,425 4,242
1.750 0.148 30,000 75,000 15,268 3,817 6,107 4,645
1.750 0.165 30,000 75,000 17,430 4,357 6,972 5,124
2.000 0.035 30,000 75,000 2,720 680 1,088 1,032
2.000 0.049 30,000 75,000 3,864 966 1,546 1,434
2.000 0.065 30,000 75,000 5,214 1,303 2,086 1,887
2.000 0.083 30,000 75,000 6,788 1,697 2,715 2,387
2.000 0.095 30,000 75,000 7,873 1,968 3,149 2,715
2.000 0.109 30,000 75,000 9,175 2,294 3,670 3,092
2.000 0.120 30,000 75,000 10,227 2,557 4,091 3,384
2.000 0.134 30,000 75,000 11,605 2,901 4,642 3,751
2.000 0.148 30,000 75,000 13,028 3,257 5,211 4,111
2.000 0.165 30,000 75,000 14,820 3,705 5,928 4,542

Stainless Steel 321 Tube Chemical Composition Chart

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

Stainless Steel 321 Tube Mechanical Properties Chart

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

Stainless Steel 321 Tube Available Stock

8″ NB in Thickness Schedule Seamless Stainless Steel 321 Tube Suppliers & Manufacturer in India Sch 5 Stainless Steel 321 Tube Suppliers & Manufacturer in India
14″ NB in Thickness Schedule Seamless Stainless Steel 321 Tube Manufacturer & Suppliers in India Stainless Steel Seamless 321 Tube Sizes per meter
Seamless Stainless Steel Bright Annealed 321 Tube Supplier & Manufacturer in India Stainless Steel Seamless Square 321 Tube Manufacturer & Supplier in India
Stainless Steel Oval 321 Tube Supplier & Manufacturer in India Stainless Steel Hollow 321 Tube Exporter
Stainless Steel Seamless Electropolished 321 Tube ASTM A312 TP321 Seamless Stainless Steel 321 Tube Suppliers & Manufacturer in India
SS Seamless Color Coated 321 Tube Manufacturer ASTM A312 TP321 Seamless Stainless Steel 321 Tube Manufacturer & Suppliers in India
Hot Rolled seamless stainless Steel 321 Tube Manufacturer & Suppliers in India ASTM A312 TP321L Seamless Stainless Steel 321 Tube Suppliers & Manufacturer in India
Seamless Stainless Steel Ornamental 321 Tube ASTM A312 TP321L Seamless Stainless Steel 321 Tube Manufacturer
Stainless Steel Hexagonal 321 Tubes Supplier & Manufacturer in India ASTM A312 TP321H Seamless Stainless Steel 321 Tube Manufacturer & Supplier in India
Stainless Steel Exhaust 321 Tube Supplier & Manufacturer in India ASTM A312 TP321/321L Seamless Stainless Steel 321 Tube Manufacturer & Suppliers in India
6″ NB in Thickness Schedule Seamless Stainless Steel 321 Tube Manufacturer & Suppliers in India Schedule 80 SS 321 Tubes Stockist
7″ NB in Thickness Schedule Seamless Stainless Steel 321 Tube Manufacturer & Supplier in India Schedule 10 SS 321 Tubes Exporters
1/2″ NB in Thickness Schedule Seamless Stainless Steel 321 Tube Manufacturer & Supplier in India ASTM A312 TP321H Seamless Stainless Steel 321 Tube Manufacturer & Supplier in India
4″ NB in Thickness Schedule Seamless Stainless Steel 321 Tube Manufacturer & Supplier in India ASTM A312 TP321/321L Seamless Stainless Steel 321 Tube Manufacturer & Supplier in India
5″ NB in Thickness Schedule Seamless Stainless Steel 321 Tube Manufacturer & Supplier in India Schedule 40 SS 321 Tubes Supplier & Manufacturer in India
Stainless Steel Seamless Round 321 Tube Supplier & Manufacturer in India SS Seamless Cold Drawn 321 Tube Supplier & Manufacturer in India
16″ NB in Thickness Schedule Seamless Stainless Steel 321 Tube Manufacturer & Supplier in India Seamless Stainless Steel 321 Tube Per Foot
18″ NB in Thickness Schedule Seamless Stainless Steel 321 Tube Manufacturer & Supplier in India Cold Rolled Seamless Stainless Steel 321 Tube Manufacturer & Supplier in India

Supplier of Stainless Steel 321 Tube all over India

Indian Cities We Supply Stainless Steel 321 Tube
Bengaluru Mumbai Chennai Hyderabad Kolkata Pune
New Delhi Ahmedabad Jaipur Surat Salem Gandhinagar
Bhiwandi Tiruppur Sivakasi Jamnagar Thiruvananthapuram Rajahmundry
Bhubaneswar Vijaywada Firozabad Bokaro Steel City Rajkot Bharuch
Panna Raipur Cochin Ludhiana Panipat Durgapur
Peenya Pimpri-Chinchwad Channapatna Kharagpur Nashik Bareilly
Varanasi Haldia Rourkela Bangalore Moradabad Indore
Visakhapatnam Trivandrum Pithampur Dibrugarh Angul Gwalior
Coimbatore Kannur Nagpur Vadodara Rudrapur Noida
Agra Bhagalpur Jamshedpur Bhilai Lucknow Kanpur

Exporter of Stainless Steel 321 Tube all over the world

Countries We Export Stainless Steel 321 Tube
Argentina USA Saudi Arabia Nigeria Russia India Syria Hungary
Bolivia Canada Iran Algeria Norway Singapore Jordan Albania
Brazil Mexico Iraq Angola Germany Malaysia Cyprus Austria
Chile Panama UAE South Africa France Indonesia Greece Switzerland
Venezuela Costa Rica Qatar Libya Italy Thailand Czech Republic Slovakia
Colombia Puerto Rica Bahrain Egypt UK Vietnam Portugal Finland
Ecuador Trinidad And Tobago Oman Sudan Spain South Korea Bangladesh Ireland
Guyana Jamaica Kuwait Equatorial Guinea Ukraine Japan Mayanmar Croatia
Paraguay Bahamas Turkey The Republic Of Congo Netherlands Sri Lanka Taiwan Slovenia
Uruguay Denmark Yemen Gabon Belgium Maldives Cambodia Malta