As an acclaimed endeavor of the business, KOBSINDIA are included in offering an unlimited cluster of Stainless Steel 321/321H Pipes and Tubes as a producer, exporter, stockiest and supplier to our local and worldwide customers. We offer a combination of UNS S32100/S32109 Pipes and Tubes which are accessible in differing thicknesses and resistances. 321/321H Stainless Steel Pipes and Tubes (also known as WNR 1.4541/1.4878 Pipes and Tubes) have a portion of the best components, for example, Corrosion resistance, High resilience, Dimensional steadiness, and the sky is the limit from there.
Regarding national and worldwide nature of crude materials, we additionally offer these SS 321/321H Pipes and Tubes in redid sizes and thicknesses according to particular requests by our regarded customers at business sector driving costs.
321/321H stainless steel is a T 300 Series Stainless Steel austenitic. It is defined as a Chromium-Nickel austenitic alloy. KOBSINDIA is a leading supplier and exporter of Stainless Steel 321/321H Pipe & Tube. We provide Stainless Steel 321/321H Pipe & Tube as per the requirements of our customers and deliver quality products on time.
KOBSINDIA is one of the well-known exporter, manufacturer, stockist, supplier and stock holder of a qualitative range of Stainless Steel 321/321H Seamless Tubes that are being designed as per the national and international standard quality of raw materials. We offer SS 321/321H Tubes in different sizes, thickness and standards as per made to order requirements given by our customers. Stainless Steel Cold Drawn 321/321H Tubes is molybdenum demeanour austenitic stainless steel, but in the company of higher molybdenum substance.
We also offer SS 321/321H Tubes in different sizes, thickness and standards as per made to order requirements given by our customers. Stainless Steel Cold Drawn 321/321H Tubes is molybdenum demeanour austenitic stainless steel which is comparatively similar to SS 321/321H, but in the company of higher molybdenum substance. SS 321/321H Tubes can be supplied in cut-to length sizes and as well fabricated or machined to meet up your customized piping requirements.
We can help supply all of the Stainless Steel ASTM 321/321H Seamless Tubes for use in the oil or natural gas industries. Seamless Tubes / Welded Tubes of premium quality is supplied by KOBSINDIA, per ASTM A 213, ASTM A 269 and ASTM A 511. Not only we stock standard sizes and grades of Seamless tubes in Stainless Steel SS304 & SS316, but we also do maintain huge inventories of Alloy Steel based pipes in 304H, 309/S, 310/S, 317/L, 321H, 347H, Alloy 20, Duplex 2205, Duplex 2507, Alloy 200/201, C276, Alloy 400, Alloy 600, Alloy 625, Alloy 800H, Alloy 800HT, 254SMO, AL6XN and others. Stainless Steel ASTM 304H Seamless Tubes, the Tubes shall be suitable for bending, flanging, and similar forming operations, and for fusion welding.
| Standard | 321 - ASTM /ASME A/SA 213 / 249 / 269 / 312 / 358 CL. I to V 321H - ASTM /ASME A/SA 213 / 249/ 269 / 312 / 358 CL. I to V |
|---|---|
| SEAMLESS 321/321H Pipes & Tubes | 1/2" NB - 16" NB |
| ERW 321/321HPipes & Tubes | 1/2" NB - 24" NB |
| EFW 321/321H Pipes & Tubes | 6" NB - 100" NB |
| Certifications | IBR AND NON IBR |
| Schedule | SCH 10 – SCH XXS |
| Type | Seamless / ERW / EFW/ Fabricated / LSAW Pipes |
| Form | Round, Square, Rectangular, Hydraulic Etc |
| Length | Single Random, Double Random & Cut Length. |
| End | Plain End, Beveled End, Threaded |
| Application | Aerospace – piston engine manifolds, Chemical Processing, Expansion Joints, Food Processing – equipment and storage, Petroleum Refining – polythionic acid service, Waste Treatment – thermal oxidizers |
| % | Cr | Ni | C | Si | Mn | P | S | N | Ti | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| 321 | min:17.0 max:19.0 |
min: 9.0 max:12.0 |
max:0.08 | max:0.75 | max:2.0 | max:0.045 | max:0.03 | max:0.10 | min:5*(C+N) max:0.70 |
Balance |
| 321H | min:17.0 max:19.0 |
min: 9.0 max:12.0 |
min:0.04 max:0.10 |
min:18.0 max:20.0 |
max:2.0 | max:0.045 | max:0.03 | max:0.10 | min:5*(C+N) max:0.70 |
Balance |
| Grade | Tensile Strength ksi (min.) |
Yield Strength 0.2% Offset ksi (min.) |
Elongation - % in 50 mm (min.) |
Hardness (Brinell) MAX |
|---|---|---|---|---|
| 321/321H | 75 | 30 | 40 | 217 |
| Denstiy lbm/in3 |
Coefficient of Thermal Expansion (min/in)-°F |
Thermal Conductivity BTU/hr-ft-°F | Specific Heat BTU/lbm -°F | Modules of Elasticity (annealed)2-psi | |
|---|---|---|---|---|---|
| at 68 °F | at 68 – 212°F | at 68 – 1832°F | at 200°F | at 32 – 212°F | in tension (E) |
| 0.286 | 9.2 | 20.5 | 9.3 | 0.12 | 28 x 106 |
KOBSINDIA exports Stainless Steel 321/321H Pipes & Tubes to countries like UAE, Bahrain, Italy, Indonesia, Malaysia, United States, Mexico, Chine, Brazil, Peru, Nigeria, Kuwait, Jordan, Dubai, Thailand (Bangkok), Venezuela, Iran, Germany, UK, Canada, Russia, Turkey, Australia, New Zealand, Sri Lanka, Vietnam, South Africa, Kazakhstan & Saudi Arabia.
