Stainless Steel 321 and 321H Welded Tubes come out as one of the best feasible choices in resisting corrosion with excellent heat, and for this reason, most industries prefer this particular quality while using them. The stainless steel tubes provided by different manufacturing companies, suppliers, stockists, and exporters such as Metcore Alloys are uniquely composed to make them especially effective to perform in elevated temperatures.
Stainless Steel 321 is a titanium-stabilized stainless steel alloy with outstanding resistance to intergranular corrosion. That makes this grade particularly suitable under conditions where the material may be exposed in the temperature range between 800-1500°F (427-816°C), the range where carbide precipitation and corrosion of other stainless steel grades occurs.
Adding titanium avoids this problem of formation, hence it keeps the tube structurally sound even under high-stress conditions. Thus, due to this quality, 321 welded tube is much in demand in different industries, such as chemical processing, oil and gas, and aerospace industries where stability and resilience to corrosion are highly required.
Stainless Steel 321/321H Welded U Tubes, Stainless Steel 321/321H Welded U Tubes Manufacturers, Stainless Steel 321/321H Welded U Tubes Suppliers, Stainless Steel 321/321H Welded U Tubes Stockists, Stainless Steel 321/321H Welded U Tubes Exporters
Stainless Steel 321H is the high-carbon version of 321, developed to give better high-temperature properties. With this additional carbon content, the 321H welded tube follows all those applications where the temperature is always above 1000°F (537°C).
This grade maintains superior mechanical properties and finds fairly wide employment in heat exchangers and furnace components as well as in thermal oxidizers. The robust constitution of these tubes provides them good resistance against worst thermal cycling with no loss of strength and also without turning susceptible to cracking.
Stainless Steel 321/321H Welded U Tubes Manufacturers in India, Stainless Steel 321/321H Welded U Tubes Suppliers in India, Stainless Steel 321/321H Welded U Tubes Stockists in India, Stainless Steel 321/321H Welded U Tubes Exporters in India
The company offers the finest quality ranges of stainless steel items, which meet requirements at par with international specifications like ASTM A312 and A 358. Accordingly, the range of welded tubes such as those offered by the company displays a wide range of sizes with variations in wall thickness, thereby meeting the demand for goods all over the globe. Precision welding techniques applied at the time of manufacturing make the product strong and durable, besides providing a smooth and clean surface finish that makes the product clean easily and avoids contamination
Stainless Steel 321/321H Welded U Tubes Manufacturers in Mumbai, Stainless Steel 321/321H Welded U Tubes Suppliers in Mumbai, Stainless Steel 321/321H Welded U Tubes Stockists in Mumbai, Stainless Steel 321/321H Welded U Tubes Exporters in Mumbai
Specifications |
ASTM A688 / ASTM SA688 |
Outer Diameter (OD) |
6.35 mm to 273 mm |
Outer Diameter (OD) |
9.52 mm to 50.80 mm |
Thickness |
0.70 mm to 12.70 mm |
Length |
Up to 12 Meters & Custom Required Length |
Other Types |
Hydraulic Tube, Capillary Tube, Boiler Tube, Precision Tube, IBR Tube |
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
N |
321/321H |
min. |
0.04 |
– |
– |
– |
– |
18.0 |
– |
8.0 |
– |
max. |
0.10 |
2.0 |
0.75 |
0.045 |
0.030 |
20.0 |
10.5 |
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 |
321/321H |
515 |
205 |
40 |
92 |
201 |