Stainless Steel 321 Pipe
W. Nr. 1.4541 Welded Pipe, AISI 321H Boiler & Heat Exhanger Tubes Manufacturer
Stainless Steel 321 Pipe
AISI 321H Boiler Tubes
Type 321 Stainless Steel Heat Exhanger Tubing
Buy Type 321 Stainless Steel Tubing at a low price, Check AISI 321 Seamless Pipe Dimension & Equivalent
Table of Content
- Specification of Stainless Steel 321 Pipe
- Available AISI 321/ 321H SS Pipe and Tube Types
- View Price List of Type 321 Stainless Steel Tubing
- SS 321/ 321H Tubing & Pipe Chemical Properties
- Mechanical Characteristics of W. Nr. 1.4541 Pipe/ Tube
- Equivalent material of UNS S32100 Pipes & Tubes
- Weight Chart of EN 1.4541 Welded Pipe/ Tube
- Pressure Rating of 321 stainless steel Tube/ Pipe
- Ready Stock of Type 321 Stainless Steel Pipe & Tubes
- Stainless Steel 321H Pipe & Tube Applications
- Dimension Table of 321H SS Seamless Tubes
- AISI 321H Tube Diameter Tolerance
- Wall Thickness Tolerance of Type 321 Stainless Steel Pipe/ Tubing
- We are Stockist of SUS 321 Pipes/ Tubes of Following Manufacturer
Specification of Stainless Steel 321 Pipe
| Specification | ASME SA312 / ASTM A312 |
|---|---|
| Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
| Origin | European, Japanese, Korean, US, Russian, Indian (Strictly No Chinese Material) |
| Test |
|
| Marking | All Stainless Steel Seamless Pipes are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer’s request.) |
| Thickness | exact 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 |
| size | 5.0 mm – 1219.2 mm |
| Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
| 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 / CDW |
| Form | Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes |
| Length | Single Random, Double Random & Required Length End: Plain End, Beveled End, Treaded |
| End Protection | Plastic Caps |
| Surface 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 |
| Our Presence | USA, Canada, Australia, UK, Malaysia, Poland, Iran, Italy, Singapore, UAE |
| Material Test Certificates (MTC) | Material Test Certificates (MTC) as per EN 10204/ 3.1B and EN 10204 3.2 |
| Seamless Pipe size | 5.0 mm – 1219.2 mm |
| Schedule | SCH5, SCH10, SCH40, STD, SCH80, SCH160 |
| Pipe End | Plain End, Beveled End, Treaded. |
| Size | 4 to 219mm W. T.: 0.5 to 20mm |
Available AISI 321/ 321H SS Pipe and Tube Types
AISI 321 Stainless Steel Pipe
SS 321 Pipe
SS 321 Tubing
321 Stainless Steel Tubing
321 Stainless Steel Exhaust Tubing
321 Stainless Steel Seamless Tubing
Stainless Steel 321 Tube
Type 321 Stainless Steel Tubing
W. Nr. 1.4541 Heat Exchanger Tube
UNS S32100 Boiler Tube
SS 321h Pipe
SS 321h Tubing
View Price List of Type 321 Stainless Steel Tubing
| Price list of Stainless Steel 321 Pipe | Type 321 Pipe Price in INR | SS 321H Pipe Price in USD | Type 321 Pipe Price in UAE Dirham |
|---|---|---|---|
| Sch 40 SS 321H Pipe | INR 421 | 4.53 USD | 21.72 UAE Dirham |
| S.S. PIPE (GR. 321H) SIZE: 2 X 2 | INR 16,591 | $218.82 | 803.73 UAE Dirham |
Refer 321 Stainless Steel Exhaust Tubing weight Chart, Check UNS S32100 ERW Pipe price list in Mumbai, India
SS 321/ 321H Tubing & Pipe Chemical Properties
| 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 |
Mechanical Characteristics of W. Nr. 1.4541 Pipe/ Tube
| 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 % |
Equivalent material of UNS S32100 Pipes & Tubes
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
| SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
Weight Chart of EN 1.4541 Welded Pipe/ Tube
| PIPE SIZE | OD IN INCHES | A.S.A. Pipe Schedules | |||||||||||
| 5s | 5 | 10s | 10 | 40s & Std. | 40 | 60 | 80s & E.H. | 80 | 120 | 160 | DBL E.H. | ||
| 1/8 | .405 | .035.1383 | .049.1863 | .049.1863 | .068.2447 | 068.2447 | 0.95.3145 | 0.95.3145 | |||||
| 1/4 | .540 | .049.2570 | .065.3297 | .065.3297 | .088.4248 | 088.4248 | .119.5351 | .119.5351 | |||||
| 3/8 | .675 | .049.3276 | .065.4235 | .065.4235 | .091.5676 | .091.5676 | .126.7338 | .126.7338 | |||||
| 1/2 | .840 | .065.5383 | .065.5383 | .083.6710 | .083.6710 | .109.8510 | .109.8510 | .1471.088 | .1471.088 | .1871.304 | .2941.714 | ||
| 3/4 | 1.050 | .065.6838 | .065.6838 | .083.8572 | .083.8572 | .1131.131 | .1131.131 | .1541.474 | .1541.474 | .2181.937 | .3082.441 | ||
| 1 | 1.315 | .065.8678 | .065.8678 | .1091.404 | .1091.404 | .1331.679 | .1331.679 | .1792.172 | .1792.172 | .2502.844 | .3583.659 | ||
| 1-1/4 | 1.660 | .0651.107 | .0651.107 | .1091.806 | .1091.806 | .1402.273 | .1402.273 | .1912.997 | .1912.997 | .2503.765 | .3825.214 | ||
| 1-1/2 | 1.900 | .0651.274 | .0651.274 | .1092.085 | .1092.085 | .1452.718 | .1452.718 | .2003.631 | .2003.631 | .2814.859 | .4006.408 | ||
| 2 | 2.375 | .0651.604 | .0651.604 | .1092.638 | .1092.638 | .1543.653 | .1543.653 | .2185.022 | .2185.022 | .3437.444 | .4369.029 | ||
| 2-1/2 | 2.875 | .0832.475 | .0832.475 | .1203.531 | .1203.531 | .2035.793 | .2035.793 | .2767.661 | .2767.661 | .37510.01 | .55213.70 | ||
| 3 | 3.500 | .0833.029 | .0833.029 | .1204.332 | .1204.332 | .2167.576 | .2167.576 | .30010.25 | .30010.25 | .43714.32 | .60018.58 | ||
| 3-1/2 | 4.000 | .0833.472 | .0833.472 | .1204.973 | .1204.973 | .2269.109 | .2269.109 | .31812.51 | .31812.51 | .63622.85 | |||
| 4 | 4.500 | .0833.915 | .0833.915 | .1205.613 | .1205.613 | .23710.79 | .23710.79 | .28112.66 | .33714.98 | .33714.98 | .43719.01 | .53122.51 | .67427.54 |
| 4-1/2 | 5.000 | .24712.53 | .35517.61 | .71032.53 | |||||||||
| 5 | 5.563 | .1096.349 | .1096.349 | .1347.770 | .1347.770 | .25814.62 | .25814.62 | .37520.78 | .37520.78 | .50027.04 | .62532.96 | .75038.55 | |
| 6 | 6.625 | .1097.585 | .1097.585 | .1349.290 | .1349.290 | .28018.97 | .28018.97 | .43228.57 | .43228.57 | .56236.39 | .71845.30 | .86453.16 | |
| 7 | 7.625 | .30123.57 | .50038.05 | .87563.08 | |||||||||
| Medium Type = Wall thickness in inches Bold Type = Steel weight per foot in pounds | |||||||||||||
Pressure Rating of 321 stainless steel Tube/ Pipe
| OD inches | Ave. Wall inches | Min Yield Strength (PSI) | Min Tensile Strength (PSI) | Theoretical Burst Pressure * (PSI) | Working Pressure (PSI) 25% of Burst | Theoretical Yield Point ** (PSI) | Collapse Pressure *** (PSI) |
|---|---|---|---|---|---|---|---|
| 0.250 | 0.020 | 30,000 | 75,000 | 14,286 | 3,571 | 5,714 | 4,416 |
| 0.250 | 0.028 | 30,000 | 75,000 | 21,649 | 5,412 | 8,660 | 5,967 |
| 0.250 | 0.035 | 30,000 | 75,000 | 29,167 | 7,292 | 11,667 | 7,224 |
| 0.250 | 0.049 | 30,000 | 75,000 | 48,355 | 12,089 | 19,342 | 9,455 |
| 0.250 | 0.065 | 30,000 | 75,000 | 81,250 | 20,313 | 32,500 | 11,544 |
| 0.375 | 0.020 | 30,000 | 75,000 | 8,955 | 2,239 | 3,582 | 3,029 |
| 0.375 | 0.028 | 30,000 | 75,000 | 13,166 | 3,292 | 5,266 | 4,145 |
| 0.375 | 0.035 | 30,000 | 75,000 | 17,213 | 4,303 | 6,885 | 5,077 |
| 0.375 | 0.049 | 30,000 | 75,000 | 26,534 | 6,634 | 10,614 | 6,816 |
| 0.375 | 0.065 | 30,000 | 75,000 | 39,796 | 9,949 | 15,918 | 8,597 |
| 0.500 | 0.020 | 30,000 | 75,000 | 6,522 | 1,630 | 2,609 | 2,316L |
| 0.500 | 0.028 | 30,000 | 75,000 | 9,459 | 2,365 | 3,784 | 3,172 |
| 0.500 | 0.035 | 30,000 | 75,000 | 12,209 | 3,052 | 4,884 | 3,906 |
| 0.500 | 0.049 | 30,000 | 75,000 | 18,284 | 4,571 | 7,313 | 5,316L |
| 0.500 | 0.065 | 30,000 | 75,000 | 26,351 | 6,588 | 10,541 | 6,786 |
| 0.500 | 0.083 | 30,000 | 75,000 | 37,275 | 9,319 | 14,910 | 8,307 |
| 0.625 | 0.020 | 30,000 | 75,000 | 5,128 | 1,282 | 2,051 | 1,859 |
| 0.625 | 0.028 | 30,000 | 75,000 | 7,381 | 1,845 | 2,953 | 2,568 |
| 0.625 | 0.035 | 30,000 | 75,000 | 9,459 | 2,365 | 3,784 | 3,172 |
| 0.625 | 0.049 | 30,000 | 75,000 | 13,947 | 3,487 | 5,579 | 4,335 |
| 0.625 | 0.065 | 30,000 | 75,000 | 19,697 | 4,924 | 7,879 | 5,591 |
| 0.625 | 0.083 | 30,000 | 75,000 | 27,124 | 6,781 | 10,850 | 6,910 |
| 0.625 | 0.095 | 30,000 | 75,000 | 32,759 | 8,190 | 13,103 | 7,734 |
| 0.625 | 0.109 | 30,000 | 75,000 | 40,172 | 10,043 | 16,069 | 8,639 |
| 0.750 | 0.028 | 30,000 | 75,000 | 6,052 | 1,513 | 2,421 | 2,156 |
| 0.750 | 0.035 | 30,000 | 75,000 | 7,721 | 1,930 | 3,088 | 2,669 |
| 0.750 | 0.049 | 30,000 | 75,000 | 11,273 | 2,818 | 4,509 | 3,664 |
| 0.750 | 0.065 | 30,000 | 75,000 | 15,726 | 3,931 | 6,290 | 4,749 |
| 0.750 | 0.083 | 30,000 | 75,000 | 21,318 | 5,330 | 8,527 | 5,905 |
| 0.750 | 0.095 | 30,000 | 75,000 | 25,446 | 6,362 | 10,179 | 6,637 |
| 0.750 | 0.109 | 30,000 | 75,000 | 30,733 | 7,683 | 12,293 | 7,453 |
| 0.750 | 0.120 | 30,000 | 75,000 | 35,294 | 8,824 | 14,118 | 8,064 |
| 0.875 | 0.020 | 30,000 | 75,000 | 3,593 | 898 | 1,437 | 1,340 |
| 0.875 | 0.028 | 30,000 | 75,000 | 5,128 | 1,282 | 2,051 | 1,859 |
| 0.875 | 0.035 | 30,000 | 75,000 | 6,522 | 1,630 | 2,609 | 2,316L |
| 0.875 | 0.049 | 30,000 | 75,000 | 9,459 | 2,365 | 3,784 | 3,172 |
| 0.875 | 0.065 | 30,000 | 75,000 | 13,087 | 3,272 | 5,235 | 4,126 |
| 0.875 | 0.083 | 30,000 | 75,000 | 17,560 | 4,390 | 7,024 | 5,152 |
| 0.875 | 0.095 | 30,000 | 75,000 | 20,803 | 5,201 | 8,321 | 5,807 |
| 0.875 | 0.109 | 30,000 | 75,000 | 24,886 | 6,221 | 9,954 | 6,543 |
| 0.875 | 0.120 | 30,000 | 75,000 | 28,346 | 7,087 | 11,339 | 7,100 |
| 1.000 | 0.028 | 30,000 | 75,000 | 4,449 | 1,112 | 1,780 | 1,633 |
| 1.000 | 0.035 | 30,000 | 75,000 | 5,645 | 1,411 | 2,258 | 2,027 |
| 1.000 | 0.049 | 30,000 | 75,000 | 8,149 | 2,037 | 3,259 | 2,796 |
| 1.000 | 0.065 | 30,000 | 75,000 | 11,207 | 2,802 | 4,483 | 3,647 |
| 1.000 | 0.083 | 30,000 | 75,000 | 14,928 | 3,732 | 5,971 | 4,567 |
| 1.000 | 0.095 | 30,000 | 75,000 | 17,593 | 4,398 | 7,037 | 5,159 |
| 1.000 | 0.109 | 30,000 | 75,000 | 20,908 | 5,227 | 8,363 | 5,827 |
| 1.000 | 0.120 | 30,000 | 75,000 | 23,684 | 5,921 | 9,474 | 6,336 |
| 1.000 | 0.134 | 30,000 | 75,000 | 27,459 | 6,865 | 10,984 | 6,963 |
| 1.250 | 0.035 | 30,000 | 75,000 | 4,449 | 1,112 | 1,780 | 1,633 |
| 1.250 | 0.049 | 30,000 | 75,000 | 6,380 | 1,595 | 2,552 | 2,260 |
| 1.250 | 0.065 | 30,000 | 75,000 | 8,705 | 2,176 | 3,482 | 2,958 |
| 1.250 | 0.083 | 30,000 | 75,000 | 11,485 | 2,871 | 4,594 | 3,719 |
| 1.250 | 0.095 | 30,000 | 75,000 | 13,443 | 3,361 | 5,377 | 4,213 |
| 1.250 | 0.109 | 30,000 | 75,000 | 15,843 | 3,961 | 6,337 | 4,776 |
| 1.250 | 0.120 | 30,000 | 75,000 | 17,822 | 4,455 | 7,129 | 5,207 |
| 1.250 | 0.134 | 30,000 | 75,000 | 20,468 | 5,117 | 8,187 | 5,742 |
| 1.500 | 0.035 | 30,000 | 75,000 | 3,671 | 918 | 1,469 | 1,367 |
| 1.500 | 0.049 | 30,000 | 75,000 | 5,243 | 1,311 | 2,097 | 1,896 |
| 1.500 | 0.065 | 30,000 | 75,000 | 7,117 | 1,779 | 2,847 | 2,487 |
| 1.500 | 0.083 | 30,000 | 75,000 | 9,333 | 2,333 | 3,733 | 3,136 |
| 1.500 | 0.095 | 30,000 | 75,000 | 10,878 | 2,719 | 4,351 | 3,559 |
| 1.500 | 0.109 | 30,000 | 75,000 | 12,754 | 3,188 | 5,101 | 4,043 |
| 1.500 | 0.120 | 30,000 | 75,000 | 14,286 | 3,571 | 5,714 | 4,416 |
| 1.500 | 0.134 | 30,000 | 75,000 | 16,315 | 4,079 | 6,526 | 4,881 |
| 1.500 | 0.148 | 30,000 | 75,000 | 18,439 | 4,610 | 7,375 | 5,336 |
| 1.750 | 0.035 | 30,000 | 75,000 | 3,125 | 781 | 1,250 | 1,176 |
| 1.750 | 0.049 | 30,000 | 75,000 | 3,864 | 966 | 1,546 | 1,434 |
| 1.750 | 0.065 | 30,000 | 75,000 | 6,019 | 1,505 | 2,407 | 2,146 |
| 1.750 | 0.083 | 30,000 | 75,000 | 7,860 | 1,965 | 3,144 | 2,711 |
| 1.750 | 0.095 | 30,000 | 75,000 | 9,135 | 2,284 | 3,654 | 3,080 |
| 1.750 | 0.109 | 30,000 | 75,000 | 10,672 | 2,668 | 4,269 | 3,504 |
| 1.750 | 0.120 | 30,000 | 75,000 | 11,921 | 2,980 | 4,768 | 3,832 |
| 1.750 | 0.134 | 30,000 | 75,000 | 13,563 | 3,391 | 5,425 | 4,242 |
| 1.750 | 0.148 | 30,000 | 75,000 | 15,268 | 3,817 | 6,107 | 4,645 |
| 1.750 | 0.165 | 30,000 | 75,000 | 17,430 | 4,357 | 6,972 | 5,124 |
| 2.000 | 0.035 | 30,000 | 75,000 | 2,720 | 680 | 1,088 | 1,032 |
| 2.000 | 0.049 | 30,000 | 75,000 | 3,864 | 966 | 1,546 | 1,434 |
| 2.000 | 0.065 | 30,000 | 75,000 | 5,214 | 1,303 | 2,086 | 1,887 |
| 2.000 | 0.083 | 30,000 | 75,000 | 6,788 | 1,697 | 2,715 | 2,387 |
| 2.000 | 0.095 | 30,000 | 75,000 | 7,873 | 1,968 | 3,149 | 2,715 |
| 2.000 | 0.109 | 30,000 | 75,000 | 9,175 | 2,294 | 3,670 | 3,092 |
| 2.000 | 0.120 | 30,000 | 75,000 | 10,227 | 2,557 | 4,091 | 3,384 |
| 2.000 | 0.134 | 30,000 | 75,000 | 11,605 | 2,901 | 4,642 | 3,751 |
| 2.000 | 0.148 | 30,000 | 75,000 | 13,028 | 3,257 | 5,211 | 4,111 |
| 2.000 | 0.165 | 30,000 | 75,000 | 14,820 | 3,705 | 5,928 | 4,542 |
Ready Stock of 321h Stainless Steel Tubing, View 321 SS Exhaust Pipe Size Chart
Ready Stock of Type 321 Stainless Steel Pipe & Tubes
| ASME SA312 TP 321 EFW Pipe | Schedule 40 321 SS Pipe |
| UNS S32100 12mm Tube | ASME SA249 TP 321 Seamless Tubing |
| 321H Stainless Steel High Pressure Tube | ASTM A249 TP 321H Thin Wall Tubing |
| Stainless Steel 321 Seamless Steel Precision Pipe | High pressure UNS S32100 Pipe |
| 321 SS Cold Drawn Seamless Pipes | Stainless Steel 1.4541 Electropolished Pipe |
| SS A312 TP321H Custom Pipe | Stainless Steel 321 Cold Drawn Pipes |
| Stainless Steel 1.4541 Cold Drawn Seamless Pipes | SS A312 TP321H Precision Pipe |
| 321 SS Electropolished Tubing | UNS S32100 Rectangular Tube |
| SS A249 TP321H Square Tubing | Stainless Steel 1.4541 Polished Tube |
| ASME SA249 TP 321 Tubing | Stainless Steel 321 Fabricated Tube |
| Stainless Steel 1.4541 Electropolished Tubes | ASME SA249 TP 321 Cold Drawn Seamless Tube |
| Stainless Steel 321 Hydraulic Tubing | ASTM A249 TP 321H Coiled Tube |
Stainless Steel 321H Pipe & Tube Applications
- Off-Shore Oil Drilling Companies
- Power Generation
- Petrochemicals
- Gas Processing
- Specialty Chemicals
- Condensers
- Pulp and Paper Industry
Dimension Table of 321H SS Seamless Tubes
|
PIPE SCHEDULES WALL THICKNESS (Inches)
|
||||||||
|---|---|---|---|---|---|---|---|---|
|
Nominal
|
O.D. Inches
|
10s
|
10
|
40s & Std
|
40
|
80s & E.H.
|
80
|
160
|
|
1/8
|
.405
|
.049
|
.049
|
.068
|
.068
|
.095
|
.095
|
|
|
1/4
|
.540
|
.065
|
.065
|
.088
|
.088
|
.119
|
.119
|
|
|
3/8
|
.675
|
.065
|
.065
|
.091
|
.091
|
.126
|
.126
|
|
|
1/2
|
.840
|
.083
|
.083
|
.109
|
.109
|
.147
|
.147
|
.187
|
|
3/4
|
1.050
|
.083
|
.083
|
.113
|
.113
|
.154
|
.154
|
.218
|
|
1
|
1.315
|
.109
|
.109
|
.133
|
.133
|
.179
|
.179
|
.250
|
|
1 1/4
|
1.660
|
.109
|
.109
|
.140
|
.140
|
.191
|
.191
|
.250
|
|
1 1/2
|
1.900
|
.109
|
.109
|
.145
|
.145
|
.200
|
.200
|
.281
|
|
2
|
2.375
|
.109
|
.109
|
.154
|
.154
|
.218
|
.218
|
.343
|
|
2 1/2
|
2.875
|
.120
|
.120
|
.203
|
.203
|
.276
|
.276
|
.375
|
|
3
|
3.500
|
.120
|
.120
|
.216
|
.216
|
.300
|
.300
|
.437
|
|
3 1/2
|
4.000
|
.120
|
.120
|
.226
|
.226
|
.318
|
.318
|
|
|
4
|
4.500
|
.120
|
.120
|
.237
|
.237
|
.337
|
.337
|
.531
|
|
4 1/2
|
5.000
|
.247
|
.355
|
|||||
|
5
|
5.563
|
.134
|
.134
|
.258
|
.258
|
.375
|
.375
|
.625
|
|
6
|
6.625
|
.134
|
.134
|
.280
|
.280
|
.432
|
.432
|
.718
|
|
7
|
7.625
|
.301
|
.500
|
|||||
|
8
|
8.625
|
.148
|
.148
|
.322
|
.322
|
.500
|
.500
|
.906
|
|
9
|
9.625
|
.342
|
.500
|
|||||
|
10
|
10.750
|
.165
|
.165
|
.365
|
.365
|
.500
|
.593
|
1.125
|
|
11
|
11.750
|
.375
|
.500
|
|||||
|
12
|
12.750
|
.180
|
.180
|
.375
|
.406
|
.500
|
.687
|
1.312
|
|
14
|
14.000
|
.188
|
.250
|
.375
|
.437
|
.500
|
.750
|
1.406
|
|
16
|
16.000
|
.188
|
.250
|
.375
|
.500
|
.500
|
.843
|
1.593
|
|
18
|
18.000
|
.188
|
.250
|
.375
|
.562
|
.500
|
.937
|
1.781
|
Get free sample of Large Diameter 321 stainless steel pipe suppliers, SS 321H Tube at low cost in India
AISI 321H Tube Diameter Tolerance
| NPS | ASTM A312 OD Tolerance | |||
| + | – | |||
| inch | mm | inch | mm | |
| 1/8~1 1 /2 | 1/64(0.015) | 0.4 | 1/32(0.031) | 0.8 |
| > 1 1 /2~4 | 1/32(0.031) | 0.8 | 1/32(0.031) | 0.8 |
| > 4~8 | 1/16(0.062) | 1.6 | 1/32(0.031) | 0.8 |
| > 8~18 | 3/32(0.093) | 2.4 | 1/32(0.031) | 0.8 |
| > 18~26 | 1/8(0.125) | 3.2 | 1/32(0.031) | 0.8 |
| > 26~34 | 5/32(0.156) | 4 | 1/32(0.031) | 0.8 |
| > 34~48 | 3/16(0.187) | 4.8 | 1/32(0.031) | 0.8 |
Wall Thickness Tolerance of Type 321 Stainless Steel Pipe/ Tubing
| NPS | ASTM A312 WT Tolerance, % | |
| + | – | |
| 1/8-2 1 /2 | 20 | 12.5 |
| 3~18, t/D≤ 5% | 22.5 | 12.5 |
| 3~18, t/D> 5% | 15 | 12.5 |
| ≥ 20, welded | 17.5 | 12.5 |
| ≥ 20, seamless, t/D≤ 5% | 22.5 | 12.5 |
| ≥ 20, seamless, t/D> 5% | 15 | 12.5 |
We are Stockist of SUS 321 Pipes/ Tubes of Following Manufacturer
DMV
Sanyo Special Steel
Sumitomo
Sandvik
Tubacex
Tachen Taiwan
