Stainless Steel 321 Pipe
Stainless Steel 321 Pipe
View ASTM A312 TP321H ERW Pipe Chemical composition, ASME 36.10 SS 321 Seamless Tube Supplier in India.
Stainless steel is available in 200 and 300 series that can be further classified into various specifications. One such grade in Stainless Steel 321 Pipe. They are not sensitive to intergranular corrosion. Stainless Steel 321 Pipe has a carbide precipitation range of 425 degrees C to 850 degrees C. 1.4541 SS 321 Seamless Tube is not recommended as a welding consumable since it has trace amounts of titanium which do not transfer properly under high temperature. Stainless Steel 321 Tube is used for applications under the temperature range of 900 degrees C.
321 Stainless Steel Tubing suppliers recommend these pipes due to their characteristics such as phase stability, and scaling resistance by means of resistance to succeeding aqueous corrosion. Apart from this 321 Exhaust Tubing also displays outstanding formability and weldability. Cres 321 Tubing is a titanium stabilized, heat resistant, an alloy made from austenitic grade. Hence SS 321 Seamless Pipe are used in 1000 degrees C - 1600 degrees C. According to 321 Tubing suppliers post, weld annealing is not required. These 321 Stainless Steel Seamless Tubing are ideal for use in applications with intermittent and continuous services. The addition of titanium in 321 SS Welded Pipe is 5 times that of the carbon content.
Refer DIN 1.4878 Round Pipe Physical Analysis, Manufacturers of SS UNS S32100 Welded Pipe in Mumbai.
321 Stainless Steel Pipe suppliers recommend these pipes to be used in applications requiring intermittent heating between 800 degrees F to 1650 degrees F. The SS grade 1.4541 Polished Pipeis available in the size range of ½ inches to 12 inches. These SA 312 TP 321 Rectangular Pipes are available in polished, annealing, cold drawn, and pickled condition. AISI 321 Schedule 40 Pipe is produced by us using high-quality raw material and advanced technology. Our team of experts passes the raw material used in ASTM A312 TP 321 Round Pipe manufacturing through various tests before converting them into finished products. Our professional team helps our customers in every step of the buying process of 321 UNS S32100 ERW Pipe. Our superior quality and affordable price have made us one of the reputed w.nr. 1.4541 Square Pipe manufacturers in India.
Stainless Steel 321 Tube Chemical Resistance Guide
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Other | |
| 321 | min. max |
- 0.08 |
2.00 | 0.75 | 0.045 | 0.030 | 17.0 19.0 |
- | 9.0 12.0 |
0.10 | Ti=5(C+N) 0.70 |
| 321H | min. max |
0.04 0.10 |
2.00 | 0.75 | 0.045 | 0.030 | 17.0 19.0 |
- | 9.0 12.0 |
- | Ti=4(C+N) 0.70 |
Spec Chart of Stainless Steel 321 Pipe
| Grade | 321/ 321H |
|---|---|
| Specifications | ASTM A312 / ASME SA312 |
| Form | “U” Shape, Square, Pan Cake Coils, Coiled, Rectangular, Round, Hydraulic Tubes. |
| Type | Welded | CDW | ERW | DOM | Seamless | Fabricated | CEW |
| Sizes | 5.0 milimeter - 1219.2 milimeter |
| Length | Single Random, Double Random, Cut to length |
| Schedule Thickness Ranges | SCH XS, SCH 40, SCH 80S, SCH 5, SCH 80, SCH XXS, SCH 160, SCH10, All Schedules |
| Surface Finish | 2B, No.1, No.4, No.8 Mirror Finish |
| Delivery Condition | Annealed & Pickled, Polished, Bright & Annealed, etc |
| O.D. | Sizes up to 12 inch NB, 6.00 mm Other Dia. upto 250 mm Other Dia. |
| Thickness | 0.25, 0.28, 0.32, 0.37, 0.41, 0.51, 0.61, 0.71, 0.91, 1.11, 1.15, 1.41 mm |
| End | Screwed, Beveled, Threaded, Plain |
Get SS 321H Square Pipe at Reasonable rate, Exporter of AISI 321 Stainless steel Rectangular pipe in Cold Drawn.
W.Nr. 1.4541 Square Pipe Mechanical Properties
| Material | Heat Treatment |
Temperure Min. º F(º C) |
Tensile Strength Ksi (MPa), Min. |
Yield Strength Ksi (MPa), Min. |
Elongation %, Min |
|---|---|---|---|---|---|
| TP321/ TP321H | Solution | 1900(1040) | 75(515) | 30(205) | 35 |
Equivalent material of SS 321 Seamless Pipe
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
|---|---|---|---|---|---|---|---|
| BS | En | No | Name | ||||
| 321 | S32100 | 321S31 | 58B, 58C | 1.4541 | X6CrNiTi18-10 | 2337 | SUS 321 |
| 321H | S32109 | 321S51 | - | 1.4878 | X10CrNiTi18-10 | - | SUS 321H |
Stockist of UNS S32109 Schedule 40/ SCH 80, Check out DIN 1.4541 Stainless Steel LSAW/ DSAW Pipe Sizes.
321 UNS S32100 ERW Pipe Standard Sizes
| NPS | OD | SCH 5S | SCH 10S | SCH 40S | SCH 80S |
| 1/4 | 13.72 | – | 1.65 | 2.24 | 3.02 |
| 3/8 | 17.15 | – | 1.65 | 2.31 | 3.2 |
| 1/2 | 21.34 | 1.65 | 2.11 | 2.77 | 3.73 |
| 3/4 | 26.67 | 1.65 | 2.11 | 2.87 | 3.91 |
| 1 | 33.4 | 1.65 | 2.77 | 3.38 | 4.55 |
| 1.25 | 42.16 | 1.65 | 2.77 | 3.56 | 4.85 |
| 1.5 | 48.26 | 1.65 | 2.77 | 3.68 | 5.08 |
| 2 | 60.33 | 1.65 | 2.77 | 3.91 | 5.54 |
| 2.5 | 73.03 | 2.11 | 3.05 | 5.16 | 7.01 |
| 3 | 88.9 | 2.11 | 3.05 | 5.49 | 7.62 |
| 3.5 | 101.6 | 2.11 | 3.05 | 5.74 | 8.08 |
| 4 | 114.3 | 2.11 | 3.05 | 6.02 | 8.56 |
| 5 | 141.3 | 2.77 | 3.4 | 6.55 | 9.53 |
| 6 | 168.28 | 2.77 | 3.4 | 7.11 | 10.97 |
| 8 | 219.08 | 2.77 | 3.76 | 8.18 | 12.7 |
| 10 | 273.05 | 3.4 | 4.19 | 9.27 | 12.7 |
| 12 | 323.85 | 3.96 | 4.57 | 9.53 | 12.7 |
| 14 | 355.6 | 3.96 | 4.78 | 9.53 | 12.7 |
| 16 | 406.4 | 4.19 | 4.78 | 9.53 | 12.7 |
| 18 | 457.2 | 4.19 | 4.78 | 9.53 | 12.7 |
| 20 | 508 | 4.78 | 5.54 | 9.53 | 12.7 |
| 22 | 558.8 | 4.78 | 5.54 | – | – |
| 24 | 609.6 | 5.54 | 6.35 | 9.53 | 12.7 |
| 26 | 660.4 | – | – | – | – |
| 28 | 711.2 | – | – | – | – |
| 30 | 762 | 6.35 | 7.92 | – | – |
Most popular types of 321 Stainless Steel Pipe Suppliers in India
Quick delivery of 321H Stainless steel hollow section pipe, Also get free samples of Stainless Steel 321H Welded Pipes, 321 Stainless steel pipe suppliers in India.
321 SS Welded Pipe Tolerances
| NPS | ASTM A312 TP321 OD Tolerance | |||
| + | – | |||
| inch | mm | inch | mm | |
| 1/8~1 1 /2 > 1 1 /2~4 > 4~8 > 8~18 > 18~26 > 26~34 > 34~48 |
1/64(0.015) 1/32(0.031) 1/16(0.062) 3/32(0.093) 1/8(0.125) 5/32(0.156) 3/16(0.187) |
0.4 0.8 1.6 2.4 3.2 4.0 4.8 |
1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) |
0.8 0.8 0.8 0.8 0.8 0.8 0.8 |
ASTM A312 TP 321 Seamless Tubing Pressure Rating
| Pipes Size (inches) |
Pipes Schedule | Temperature (°F) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 100 | 200 | 300 | 400 | 500 | 600 | 650 | 700 | 750 | ||
| 1" | 40 | 3048 | 2629 | 2362 | 2171 | 2019 | 1924 | 1867 | 1824 | 1810 |
| 1" | 80 | 4213 | 3634 | 3265 | 3002 | 2791 | 2659 | 2580 | 2528 | 2501 |
| 1" | 160 | 6140 | 5296 | 4759 | 4375 | 4068 | 3876 | 3761 | 3684 | 3646 |
| 1.5" | 40 | 2257 | 1947 | 1750 | 1608 | 1496 | 1425 | 1383 | 1354 | 1340 |
| 1.5" | 80 | 3182 | 2744 | 2466 | 2267 | 2108 | 2009 | 1949 | 1909 | 1889 |
| 1.5" | 160 | 4619 | 3984 | 3580 | 3291 | 3060 | 2916 | 2829 | 2772 | 2743 |
| 2" | 40 | 1902 | 1640 | 1474 | 1355 | 1260 | 1201 | 1165 | 1141 | 1129 |
| 2" | 80 | 2747 | 2369 | 2129 | 1957 | 1820 | 1734 | 1682 | 1648 | 1631 |
| 2" | 160 | 4499 | 3880 | 3486 | 3205 | 2980 | 2840 | 2755 | 2699 | 2671 |
| 3" | 40 | 1806 | 1558 | 1400 | 1287 | 1196 | 1140 | 1106 | 1084 | 1072 |
| 3" | 80 | 2553 | 2202 | 1979 | 1819 | 1691 | 1612 | 1564 | 1532 | 1516 |
| 3" | 160 | 3840 | 3312 | 2976 | 2736 | 2544 | 2424 | 2352 | 2304 | 2280 |
| 4" | 40 | 1531 | 1321 | 1187 | 1091 | 1014 | 967 | 938 | 919 | 909 |
| 4" | 80 | 2213 | 1909 | 1715 | 1577 | 1466 | 1397 | 1355 | 1328 | 1314 |
| 4" | 160 | 3601 | 3106 | 2791 | 2566 | 2386 | 2273 | 2206 | 2161 | 2138 |
| 5" | 40 | 1342 | 1158 | 1040 | 956 | 889 | 847 | 822 | 805 | 797 |
| 5" | 80 | 1981 | 1709 | 1535 | 1411 | 1312 | 1250 | 1213 | 1189 | 1176 |
| 5" | 160 | 3414 | 2945 | 2646 | 2433 | 2262 | 2155 | 2091 | 2049 | 2027 |
| 6" | 40 | 1219 | 1052 | 945 | 869 | 808 | 770 | 747 | 732 | 724 |
| 6" | 80 | 1913 | 1650 | 1483 | 1363 | 1267 | 1208 | 1172 | 1148 | 1136 |
| 6" | 160 | 3289 | 2836 | 2549 | 2343 | 2179 | 2076 | 2014 | 1973 | 1953 |
| 8" | 40 | 1073 | 926 | 832 | 765 | 711 | 678 | 657 | 644 | 637 |
| 8" | 80 | 1692 | 1459 | 1311 | 1205 | 1121 | 1068 | 1036 | 1015 | 1005 |
| 8" | 160 | 3175 | 2738 | 2460 | 2262 | 2103 | 2004 | 1944 | 1905 | 1885 |
| 10" | 40 | 974 | 840 | 755 | 694 | 945 | 615 | 596 | 584 | 578 |
| 10" | 80 | 1609 | 1388 | 1247 | 1147 | 1066 | 1016 | 986 | 966 | 956 |
| 10" | 160 | 3147 | 2714 | 2439 | 2242 | 2085 | 1986 | 1927 | 1880 | 1868 |
Application of 321 Stainless Steel Tube
- Threaded fasteners
- Kitchen sinks, troughs, benches
- Automotive trim
- Heat Exchangers
- Chemical containers
- Railway cars
Physical Analysis of SS 321 Pipe
| Grade | Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Co-eff of Thermal Expansion (µm/m/°C) | Thermal Conductivity (W/m.K) |
Specific Heat 0-100°C (J/kg.K) |
Elec Resistivity (nΩ.m) |
|||
| 0-100°C | 0-315°C | 0-538°C | At 100°C | At 500°C | |||||
| 321 | 8027 | 193 | 16.6 | 17.2 | 18.6 | 16.1 | 22.2 | 500 | 720 |
Available 321 Stainless Steel Exhaust Tubing Stocks
| Outside Diamter, OD (in mm) | Wall Thickness, WT (in mm) |
|---|---|
| 6 – 630 | 0.5-30 |
| 12.7* 12.7 to 300* 300 | 0.5-30 |
| 10*20 to 100*200 | 0.5-30 |
| 6 to 630 | 0.5-30 |
| 12.7 to 250 | 0.5-30 |
| 16 to 85 | 0.5-3.0 |
| 13 to 85 | 0.5-2.0 |
| 20 to 200 | 0.5-2.0 |
| 22*0.7 to 108*2.0 | 0.5-2.0 |
| 12.5 to 203.2 | 1.0 – 5 |
| 0.28 to 10 | 0.08 – 1.2 |
| 6 to 430 | 0.8 – 30 |
AISI 321 Stainless Steel Pipe Price List
| Product | Price |
|---|---|
| 321 Stainless steel capillary tube | $1,500.00 - $2,380.00/ Ton |
| 3/4 Sch 40 SS 321 Pipe | $1,450.00 - $1,600.00/ Ton |
| Surface Polished Finish 20mm diameter 321 Seamless stainless steel pipe | $1,800.00 - $2,170.00/ Ton |
| 321 2 Inch 8 Inch Seamless Stainless Steel Pipe | $990.00 - $2,250.00/ Ton |
Many 321 Stainless Steel Tubing suppliers, stockholders, dealers, stockists, wholesalers, importers, retailers, exporters, and distributors choose us for the best price of ASTM A312 TP321H Pipe in India, Find your sizes in our stock of ASTM A312 Grade TP321 Exhaust Pipe in Mumbai, Contact for a Quick Quote!
Variety of 321H Stainless Steel Pipe Sizes We Offer
| NB Sizes | Sch 5 | Sch 10 | Sch 40 | Sch 80 | Sch 160 |
|---|---|---|---|---|---|
| 1/8" | √ | √ | √ | √ | |
| 1/4" | √ | √ | √ | √ | |
| 3/8" | √ | √ | √ | √ | |
| 1/2" | √ | √ | √ | √ | √ |
| 3/4" | √ | √ | √ | √ | √ |
| 1" | √ | √ | √ | √ | √ |
| 1 1/4" | √ | √ | √ | √ | √ |
| 1 1/2" | √ | √ | √ | √ | √ |
| 2" | √ | √ | √ | √ | √ |
| 2 1/2" | √ | √ | √ | √ | √ |
| 3" | √ | √ | √ | √ | √ |
| 4" | √ | √ | √ | √ | √ |
| 5" | √ | √ | √ | √ | |
| 6" | √ | √ | √ | √ |
Value Added Services on ASTM A312 TP 321H Square Tube
- Beveling
- Annealing
- 100% X-Ray Welding
- Polishing
- Pickling
- Heat Treatment
- Drawing Services
- Destructive/ Non Destructive Testing










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