SS 321/321H Pipes & Tubes
SS 321/321H pipes and tubes, leading distributor and stockist of industrial steel is Om Export India Pvt Ltd. All of our items are manufactured using premium raw materials that meet international quality requirements. We even provide complete industrial steels as well as pipes and tubes in customized forms. Prior to being delivered to customers and vendors, each one of our item is thoroughly tested and inspected.
Stainless Steel 321 Exporter, SS ASTM A312 TP321H Seamless, ASTM A358 Stainless Steel 321H EFW Pipe Supplier, ASTM A213 Stainless Steel 321, SS 321 Tubing, SS 321 Welded Tube Manufacturer in India.
Physical and mechanical characteristics such as elongation, density, modules of expansion, thermal conductivity, electrical resistivity, tensile strength, yield strength, ultimate tensile strength, electrical conductivity, and proof stress are used in their manufacturing. A variety of specifications, including grade, dimensions, tolerance, applications, types, forms, shape, size, schedule, finish, surface, length, breadth, thickness, and end, are taken into consideration during the construction of these pipes. There are several varieties of these tubes, including polished, ornamental, thick wall, round, square, rectangular, seamless, welded, and electro polished tubes. Many chemical combinations, including carbon, manganese, silicon, phosphorus, sulphur, chromium, nitrogen, nickel, and titanium, are used to make these pipes.
DIN 1.4878 Seamless, UNS S32100 ERW Pipes Dealer, ASTM A213 SS TP321 Tubes Stockist, 321H Stainless Steel, Stainless Steel UNS S32109 Welded, SS DIN 1.4541 ERW Tubing Trader, ASME SA312 SS 321H Pipes Supplier in India.
The applications of these are numerous and include the pharmaceutical industry, gas processing, petrochemicals, paper, pulp, and offshore oil drilling industries, among others. They are also appropriate for use in chemical, specialty, pharmaceutical, and seawater industries.
Flues and spiral welded pipes can both benefit from the use of them. The ideal temperatures for using these pies are those that have not deformed the steel pipes, or annealed. By adding titanium throughout the manufacturing process, the pipes become more durable and resistant to carbide precipitation. Due to their non-corrosive nature, these tubes are known for their application in numerous storage units and aircraft equipment. A few of the incredible properties of these tubes include their high strength, tensile strength, ductility, durability, flexibility, and formability.
Many tests, including the flaring test, mechanical test, chemical test, hardness test, hydrostatic test, radiography test, micro test, macro test, PMI test, and flattening test, are required of these following their manufacture by the industry.
321/321H STAINLESS STEEL PIPES AND TUBES EQUIVALENT GRADES
| STANDARD | UNS | WNR. | EN | JIS |
| SS 321 | S32100 | 1.4541 | X6CrNiTi18-10 | SUS 321 |
| SS 321H | S32109 | 1.4878 | X12CrNiTi18-9 | SUS 321H |
SPECIFICATION OF STAINLESS STEEL 321/321H SEAMLESS WELDED PIPES AND TUBES
STAINLESS STEEL PIPE SPECIFICATION : ASTM A312, A358 / ASME SA312, SA358
SS TUBE SPECIFICATION : ASTM A213, A269, A249, A511, A554 / ASME SA213, SA269, SA249, SA511, SA554
PIPE SIZE : 1/8” NB TO 24” NB, 1/4” OD TO 24” OD SIZES.
TUBE SIZE : 1/2″ OD TO 8″ OD.
THICKNESS RANGE : 0.3MM – 50 MM, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
TYPE : SEAMLESS / ERW / WELDED / FABRICATED PIPES
FORM : ROUND, SQUARE, RECTANGULAR, OVAL, HYDRAULIC ETC
LENGTH : SINGLE RANDOM, DOUBLE RANDOM & REQUIRED LENGTH
END : PLAIN END, BEVELED END, TREADED
END PROTECTION : PLASTIC CAPS
OUTSIDE FINISH : 2B, NO.4, NO.1, NO.8 MIRROR FINISH FOR STAINLESS STEEL PIPES, FINISH AS PER CUSTOMER REQUIREMENTS
DELIVERY CONDITION : ANNEALED AND PICKLED, POLISHED, BRIGHT ANNEALED, COLD DRAWN
INSPECTION, TEST REPORTS : MILL TEST CERTIFICATES, EN 10204 3.1, CHEMICAL REPORTS, MECHANICAL REPORTS, PMI TEST REPORTS, VISUAL INSPECTION REPORTS, THIRD PARTY INSPECTION REPORTS, NABL APPROVED LAB REPORTS, DESTRUCTIVE TEST REPORT, NON DESTRUCTIVE TEST REPORTS
PACKING : PACKED IN WOODEN BOXES, PLASTIC BAGS, STEEL STRIPS BUNDLED, OR AS PER CUSTOMERS REQUESTS
SPECIALS : SIZES AND SPECIFICATIONS OTHER THAN ABOVE CAN BE MANUFACTURED ON REQUEST
CHEMICAL COMPOSITION OF STAINLESS STEEL 321/321H SEAMLESS PIPES AND TUBES
| % | Cr | Ni | C | Si | Mn |
| 321 | min:17.0 max:19.0 | min: 9.0 max:12.0 | max:0.08 | max:0.75 | max:2.0 |
| 321H | min:17.0 max:19.0 | min: 9.0 max:12.0 | min:0.04 max:0.10 | min:18.0 | max:2.0 max:20.0 |
| % | P | S | N | Ti | Fe |
| 321 | max:0.045 | max:0.03 | max:0.10 | min:5*(C+N) max:0.70 | Balance |
| 321H | max:0.045 | max:0.03 | max:0.10 | min:5*(C+N) max:0.70 | Balance |
MECHANICAL PROPERTIES OF STAINLESS STEEL 321/321H SEAMLESS PIPES AND TUBES
| 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 |
PHYSICAL PROPERTIES OF 321/321H STAINLESS STEEL PIPES AND TUBES
| 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 |
