Unifit Metalloys INC manufactures, trades and supplies high quality Stainless Steel 321-321H Seamless Pipes & Tubes to its customers worldwide. Our products are known to offer amazing usability in all environments of use.
Our product range which includes SS 321/321H Welded Pipes & Tubes is known for the optimum utility that it offers even under harsh usage. SS Grade 321 Pipes & Tubes are titanium stabilized austenitic stainless steel. SS Grade 321H Seamless Pipes & Tubes are high carbon version of 321 Alloy that is developed for enhanced creep resistance and high strength at elevated temperatures. UNS S31200 executes excellent resistance to intergranular corrosion even after exposure to temperatures at chromium carbide precipitation range.
Our ASTM SA358 CL1 & CL3 321 Welded Pipes & Tubes can easily be welded and processed by standard fabrication processes.
Our products are known for their precise finishing and robust built, which makes them highly reliable.
SPECIFICATION : ASTM A / ASME SA213/A249/A312/A358
OUTER DIAMETER : 1/8" NPS to 12" NPS
SIZE : 1/8″NB TO 30″NB IN
THICKNESS : 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB
LENGTH : Single Random, Double Random & Cut Length
TYPES : Round, Square, Rectangle, Hydraulic
END : Plain End, Beveled End
In bridges and other structural steel works
Pylons and other architectural structures
Spiral Cases and penstocks in power plants
|SS 321||0.08 max.||2.00 max.||0.75 max.||0.045 max.||0.03 Max.||17.0 – 19.0||9.0-12.0||-||0.1|
|SS 321H||0.04 – 0.10||2.00 max.||0.75 max.||0.045 max.||0.03 max.||17.0 – 19.0||9.0-12.0||-||0.1|
|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|
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