Home > Stainless Steel > Stainless Steel 321H Tubing
Discover exceptional quality and dependability with our Stainless Steel 321H Tubing, a foundation of our broad product lineup. Explore a wide array of premium solutions thoughtfully custom built to satisfy the demanding needs of industrial applications. Crafted with outstanding accuracy, our 321H tubing delivers impressive resistance to both weldability difficulties and elevated temperatures, guaranteeing fitness across a wide range of project needs. Designed to surpass industry standards for durability and long life, every tubing component embodies the pinnacle of sophisticated metallurgical engineering. As your reliable partner, we place your satisfaction first by delivering tailored solutions, competitive rates, and rapid shipping. Whether for automotive, construction, or heavy machinery projects, our Stainless Steel 321H Tubing ensures unrivaled performance, ushering in a new age of excellence and innovation. Enhance your projects with our steadfast commitment to trustworthy solutions, supported by our devotion to excellence.
Standard ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790
Dimensions ASTM, ASME and API
Range 1/2″ NB TO 24″ NB IN SCH 5, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160 & XXS as Per NACE MR 01 75
Thickness 0.3mm – 50 mm
Outer Diameter 6.00 mm OD up to 914.4 mm OD
Schedule SCH 10, SCH20, SCH30, SCH40, STD, SCH60, XS, SCH80, SCH120, SCH140, SCH160, XXS
Type Seamless / ERW / Welded / Fabricated
Form Round, Square, Rectangular, Hydraulic, and more
Length Single Random, Double Random & Cut Length
| 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 |
| 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 % |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering innovative solutions for all your piping requirements. With cutting-edge manufacturing facilities strategically situated in the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.
Reach out to us for a fast quote tailored to your requirement.
We supply these Stainless Steel 321H Tubing in accordance with DIN, ISO, JIS or ANSI Standard.
Stainless Steel 321H Tubing applications are as varied as the industries they support, driven mainly by the aerospace, railway, construction and automotive industries along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Yes, Stainless Steel 321H Tubing is completely recyclable. It can be melted down and repurposed without any loss of its properties, supporting sustainable practices and lessening environmental impact.
Mail: sales@koasteel.nz