Description
Metline is a specialist manufacturer and supplier of stainless steel pipes in India, with over 200 customers throughout the world. Stainless steel pipes are generally used for applications where corrosion protection is necessary. We manufacture, stock and sell various kinds of stainless steel seamless and welded pipes or tube.
Duplex Stainless Steel Pipes | Austentic Stainless Steel Pipes | Pressure Vessel Tubing |
Super Duplex Stainless Steel Pipes | Ferritic Stainless Steel Pipes | Seamless Piping |
Special Alloy Stainless Steel Pipes | Martensitic Stainless Steel Pipes | Instrumentation & Hydraullic SS Pipes |
Applications for Stainless Steel Pipes – Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
Steel Pipes NB Sizes, Stainless Steel Pipes Weight Per Meter, for Stainless Steel Seamless & Welded Pipes
Size NB | O.D. | Pipe Schedules |
inches | 5s | 5 | 10 | 10s | 20 | 30 | 40s | 40 | 60 | 80s | 80 | 100 | 120 | 140 | 160 | Dbl. |
mm | Std | E.H. | E.H. |
1/8 | 0.405 | | 0.89 | 1.24 | 1.24 | | | 1.73 | 1.73 | | 2.41 | 2.41 | | | | | |
10.29 | 0.21 | 0.28 | 0.28 | | | 0.36 | 0.36 | | 0.47 | 0.47 | | | | | |
1/4 | 0.54 | | 1.24 | 1.65 | 1.65 | | | 2.24 | 2.24 | | 3.02 | 3.02 | | | | | |
13.72 | 0.38 | 0.49 | 0.49 | | | 0.63 | 0.63 | | 0.80 | 0.80 | | | | | |
3/8 | 0.675 | | 1.24 | 1.65 | 1.65 | | | 2.31 | 2.31 | | 3.20 | 3.20 | | | | | |
17.15 | 0.49 | 0.63 | 0.63 | | | 0.84 | 0.84 | | 1.09 | 1.09 | | | | | |
1/2 | 0.84 | 1.65 | 1.65 | 2.11 | 2.11 | | | 2.77 | 2.77 | | 3.73 | 3.73 | | | | 4.78 | 7.47 |
21.34 | 0.80 | 0.80 | 1.00 | 1.00 | | | 1.27 | 1.27 | | 1.62 | 1.62 | | | | 1.94 | 2.55 |
3/4 | 1.05 | 1.65 | 1.65 | 2.11 | 2.11 | | | 2.87 | 2.87 | | 3.91 | 3.91 | | | | 5.56 | 7.82 |
26.67 | 1.02 | 1.02 | 1.28 | 1.28 | | | 1.68 | 1.68 | | 2.19 | 2.19 | | | | 2.88 | 3.63 |
1 | 1.315 | 1.65 | 1.65 | 2.77 | 2.77 | | | 3.38 | 3.38 | | 4.55 | 4.55 | | | | 6.35 | 9.09 |
33.40 | 1.29 | 1.29 | 2.09 | 2.09 | | | 2.50 | 2.50 | | 3.23 | 3.23 | | | | 4.23 | 5.45 |
1-1/4 | 1.66 | 1.65 | 1.65 | 2.77 | 2.77 | | | 3.56 | 3.56 | | 4.85 | 4.85 | | | | 6.35 | 9.70 |
42.16 | 1.65 | 1.65 | 2.69 | 2.69 | | | 3.38 | 3.38 | | 4.46 | 4.46 | | | | 5.60 | 7.76 |
1-1/2 | 1.9 | 1.65 | 1.65 | 2.77 | 2.77 | | | 3.68 | 3.68 | | 5.08 | 5.08 | | | | 7.14 | 10.16 |
48.26 | 1.90 | 1.90 | 3.10 | 3.10 | | | 4.04 | 4.04 | | 5.40 | 5.40 | | | | 7.23 | 9.54 |
2 | 2.375 | 1.65 | 1.65 | 2.77 | 2.77 | | | 3.91 | 3.91 | | 5.54 | 5.54 | | | | 8.74 | 11.07 |
60.33 | 2.39 | 2.39 | 3.93 | 3.93 | | | 5.44 | 5.44 | | 7.47 | 7.47 | | | | 11.1 | 13.4 |
2-1/2 | 2.875 | 2.11 | 2.11 | 3.05 | 3.05 | | | 5.16 | 5.16 | | 7.01 | 7.01 | | | | 9.53 | 14.02 |
73.03 | 3.68 | 3.68 | 5.25 | 5.25 | | | 8.62 | 8.62 | | 11.4 | 11.4 | | | | 14.9 | 20.4 |
3 | 3.5 | 2.11 | 2.11 | 3.05 | 3.05 | | | 5.49 | 5.49 | | 7.62 | 7.62 | | | | 11.13 | 15.24 |
88.90 | 4.51 | 4.51 | 6.45 | 6.45 | | | 11.3 | 11.3 | | 15.3 | 15.3 | | | | 21.3 | 27.7 |
3-1/2 | 4 | 2.11 | 2.11 | 3.05 | 3.05 | | | 5.74 | 5.74 | | 8.08 | 8.08 | | | | | 16.15 |
101.6 | 5.17 | 5.17 | 7.40 | 7.40 | | | 13.6 | 13.6 | | 18.6 | 18.6 | | | | | 34.0 |
4 | 4.5 | 2.11 | 2.11 | 3.05 | 3.05 | | | 6.02 | 6.02 | 7.14 | 8.56 | 8.56 | | 11.13 | | 13.49 | 17.12 |
114.3 | 5.83 | 5.83 | 8.35 | 8.35 | | | 16.1 | 16.1 | 18.8 | 22.3 | 22.3 | | 28.3 | | 33.5 | 41.0 |
4-1/2 | 5 | | | | | | | 6.27 | | | 9.02 | | | | | | 18.03 |
127.0 | | | | | | 18.6 | | | 26.2 | | | | | | 48.4 |
5 | 5.563 | 2.77 | 2.77 | 3.40 | 3.40 | | | 6.55 | 6.55 | | 9.53 | 9.53 | | 12.70 | | 15.88 | 19.05 |
141.3 | 9.45 | 9.45 | 11.6 | 11.6 | | | 21.8 | 21.8 | | 30.9 | 30.9 | | 40.2 | | 49.1 | 57.4 |
6 | 6.625 | 2.77 | 2.77 | 3.40 | 3.40 | | | 7.11 | 7.11 | | 10.97 | 10.97 | | 14.27 | | 18.26 | 21.95 |
168.3 | 11.3 | 11.3 | 13.8 | 13.8 | | | 28.2 | 28.2 | | 42.5 | 42.5 | | 54.2 | | 67.4 | 79.1 |
7 | 7.625 | | | | | | | 7.65 | | | 12.70 | | | | | | 22.23 |
193.7 | | | | | | 35.1 | | | 56.6 | | | | | | 93.9 |
8 | 8.625 | 2.77 | 2.77 | 3.76 | 3.76 | 6.35 | 7.04 | 8.18 | 8.18 | 10.31 | 12.70 | 12.70 | 15.09 | 18.26 | 20.62 | 23.01 | 22.23 |
219.1 | 14.8 | 14.8 | 19.9 | 19.9 | 33.3 | 36.8 | 42.5 | 42.5 | 53.0 | 64.6 | 64.6 | 75.7 | 90.7 | 100.8 | 111.2 | 107.8 |
9 | 9.625 | | | | | | | 8.69 | | | 12.70 | | | | | | |
244.5 | | | | | | 50.4 | | | 72.5 | | | | | | |
10 | 10.75 | 3.40 | 3.40 | 4.19 | 4.19 | 6.35 | 7.80 | 9.27 | 9.27 | 12.70 | 12.70 | 15.09 | 18.26 | 21.44 | 25.40 | 28.58 | 25.40 |
273.1 | 22.6 | 22.6 | 27.8 | 27.8 | 41.7 | 51.0 | 60.2 | 60.2 | 81.5 | 81.5 | 95.7 | 114.5 | 132.7 | 154.9 | 172.1 | 155.0 |
11 | 11.75 | | | | | | | 9.53 | | | 12.70 | | | | | | |
298.5 | | | | | | 67.8 | | | 89.4 | | | | | | |
12 | 12.75 | 3.96 | 4.19 | 4.57 | 4.57 | 6.35 | 8.38 | 9.53 | 10.31 | 14.27 | 12.70 | 17.48 | 21.44 | 25.40 | 28.58 | 33.32 | |
323.9 | 31.4 | 33.0 | 36.0 | 36.0 | 49.7 | 65.1 | 73.8 | 79.7 | 108.9 | 97.4 | 131.7 | 159.5 | 186.8 | 207.9 | 238.7 | |
14 | 14 | 3.96 | | 6.35 | 4.78 | 7.92 | 9.53 | 9.53 | 11.13 | 15.09 | 12.70 | 19.05 | 23.83 | 27.79 | 31.75 | 35.71 | |
355.6 | 34.3 | | 54.6 | 41.3 | 68.0 | 81.2 | 81.2 | 94.3 | 126.4 | 107.3 | 157.9 | 194.5 | 224.3 | 253.3 | 281.4 | |
16 | 16 | 4.19 | | 6.35 | 4.78 | 7.92 | 9.53 | 9.53 | 12.70 | 16.66 | 12.70 | 21.44 | 26.19 | 30.94 | 36.50 | 40.49 | |
406.4 | 41.5 | | 62.6 | 47.2 | 77.9 | 93.1 | 93.1 | 123.2 | 160.0 | 123.2 | 203.1 | 245.3 | 286.2 | 332.6 | 364.8 | |
18 | 18 | 4.19 | | 6.35 | 4.78 | 7.92 | 11.13 | 9.53 | 14.27 | 19.05 | 12.70 | 23.83 | 29.36 | 34.93 | 39.67 | 45.24 | |
457.2 | 46.8 | | 70.5 | 53.2 | 87.8 | 122.1 | 105.1 | 156.0 | 205.7 | 139.1 | 254.2 | 309.5 | 363.3 | 408.1 | 459.1 | |
20 | 20 | 4.78 | | 6.35 | 5.54 | 9.53 | 12.70 | 9.53 | 15.09 | 20.62 | 12.70 | 26.19 | 32.54 | 38.10 | 44.45 | 50.01 | |
508.0 | 59.2 | | 78.5 | 68.9 | 117.0 | 154.9 | 117.0 | 182.9 | 247.6 | 154.9 | 310.9 | 381.1 | 441.1 | 507.6 | 564.0 | |
24 | 24 | 5.54 | | 6.35 | 6.35 | 9.53 | 14.27 | 9.53 | 17.48 | 24.61 | 12.70 | 30.96 | 38.89 | 46.02 | 52.37 | 59.54 | |
609.6 | 82.4 | | 94.4 | 94.4 | 140.8 | 209.5 | 140.8 | 254.8 | 354.3 | 186.8 | 441.1 | 546.8 | 639.0 | 718.9 | 806.4 | |
26 | 26 | | | | 7.92 | 12.70 | | 9.53 | | | 12.70 | | | | | | |
660.4 | | | 127.4 | 202.6 | | 152.7 | | | 202.6 | | | | | | |
28 | 28 | | | | 7.92 | 12.70 | 15.88 | 9.53 | | | | | | | | | |
711.2 | | | 137.3 | 218.5 | 271.9 | 164.7 | | | | | | | | | |
30 | 30 | 0.25 | | 7.92 | 7.92 | 12.70 | 15.88 | 9.53 | | | 12.70 | | | | | | |
762.0 | 79.4 | | 146.8 | 147.2 | 234.4 | 291.8 | 176.6 | | | 234.4 | | | | | | |
32 | 32 | | | | 7.92 | 12.70 | 15.88 | 9.53 | 17.48 | | 12.70 | | | | | | |
812.8 | | | 157.1 | 250.3 | 311.7 | 188.5 | 342.4 | | 250.3 | | | | | | |
34 | 34 | | | | 7.92 | 12.70 | 15.88 | 9.53 | 17.48 | | | | | | | | |
863.6 | | | 167.0 | 266.2 | 331.5 | 200.4 | 364.3 | | | | | | | | |
36 | 36 | | | | 7.92 | | 15.88 | 9.53 | 19.05 | | 12.70 | | | | | | |
914.4 | | | 177.0 | | 351.4 | 212.3 | 420.2 | | 282.1 | | | | | | |
Stainless Steel Pipes Pressure Rating Table – Pipe Sizes & Pressure Ratings
Ratings for standard seamless stainless steel pipes, temperatures ranging 100oF to 750oF. All ratings in psig based on ANSI/ASME B 31.1. ASTM A316L Stainless Steel Pipes
Pressure Rating (psig) |
Pipe Size | Pipe Schedule | Temperature (◦F)/(◦C) |
(inches) | 100 | 200 | 300 | 400 | 500 | 600 | 650 | 700 | 750 |
| 37.8 | 93.3 | 149 | 204 | 260 | 316 | 343 | 371 | 399 |
1″ | 40 | 3048 | 2629 | 2362 | 2171 | 2019 | 1924 | 1867 | 1824 | 1810 |
80 | 4213 | 3634 | 3265 | 3002 | 2791 | 2659 | 2580 | 2528 | 2501 |
160 | 6140 | 5296 | 4759 | 4375 | 4068 | 3876 | 3761 | 3684 | 3646 |
1 1/2″ | 40 | 2257 | 1947 | 1750 | 1608 | 1496 | 1425 | 1383 | 1354 | 1340 |
80 | 3182 | 2744 | 2466 | 2267 | 2108 | 2009 | 1949 | 1909 | 1889 |
160 | 4619 | 3984 | 3580 | 3291 | 3060 | 2916 | 2829 | 2772 | 2743 |
2″ | 40 | 1902 | 1640 | 1474 | 1355 | 1260 | 1201 | 1165 | 1141 | 1129 |
80 | 2747 | 2369 | 2129 | 1957 | 1820 | 1734 | 1682 | 1648 | 1631 |
160 | 4499 | 3880 | 3486 | 3205 | 2980 | 2840 | 2755 | 2699 | 2671 |
3″ | 40 | 1806 | 1558 | 1400 | 1287 | 1196 | 1140 | 1106 | 1084 | 1072 |
80 | 2553 | 2202 | 1979 | 1819 | 1691 | 1612 | 1564 | 1532 | 1516 |
160 | 3840 | 3312 | 2976 | 2736 | 2544 | 2424 | 2352 | 2304 | 2280 |
4″ | 40 | 1531 | 1321 | 1187 | 1091 | 1014 | 967 | 938 | 919 | 909 |
80 | 2213 | 1909 | 1715 | 1577 | 1466 | 1397 | 1355 | 1328 | 1314 |
160 | 3601 | 3106 | 2791 | 2566 | 2386 | 2273 | 2206 | 2161 | 2138 |
5″ | 40 | 1342 | 1158 | 1040 | 956 | 889 | 847 | 822 | 805 | 797 |
80 | 1981 | 1709 | 1535 | 1411 | 1312 | 1250 | 1213 | 1189 | 1176 |
160 | 3414 | 2945 | 2646 | 2433 | 2262 | 2155 | 2091 | 2049 | 2027 |
6″ | 40 | 1219 | 1052 | 945 | 869 | 808 | 770 | 747 | 732 | 724 |
80 | 1913 | 1650 | 1483 | 1363 | 1267 | 1208 | 1172 | 1148 | 1136 |
160 | 3289 | 2836 | 2549 | 2343 | 2179 | 2076 | 2014 | 1973 | 1953 |
8″ | 40 | 1073 | 926 | 832 | 765 | 711 | 678 | 657 | 644 | 637 |
80 | 1692 | 1459 | 1311 | 1205 | 1121 | 1068 | 1036 | 1015 | 1005 |
160 | 3175 | 2738 | 2460 | 2262 | 2103 | 2004 | 1944 | 1905 | 1885 |
10″ | 40 | 974 | 840 | 755 | 694 | 645 | 615 | 596 | 584 | 578 |
80 | 1609 | 1388 | 1247 | 1147 | 1066 | 1016 | 986 | 966 | 956 |
160 | 3147 | 2714 | 2439 | 2242 | 2085 | 1986 | 1927 | 1880 | 1868 |
Stainless Steel Tubing Pressure Rating Table
Tube OD | Walll Thickness (mm) |
(mm) | 0.8 | 1 | 1.2 | 1.5 | 1.8 | 2 | 2.2 | 2.5 | 2.8 | 3 | 3.5 | 4 | 4.5 | 5 |
| Working Pressure (bar) |
3 | 670 | | | | | | | | | | | | | |
6 | 310 | 420 | 540 | 710 | | | | | | | | | | |
8 | | 310 | 390 | 520 | | | | | | | | | | |
10 | | 240 | 300 | 400 | 510 | 582 | | | | | | | | |
12 | | 200 | 250 | 330 | 410 | 470 | | | | | | | | |
14 | | 160 | 200 | 270 | 340 | 380 | 430 | | | | | | | |
15 | | 150 | 190 | 250 | 310 | 360 | 400 | | | | | | | |
16 | | | 170 | 230 | 290 | 330 | 370 | 400 | | | | | | |
18 | | | 150 | 200 | 260 | 290 | 320 | 370 | | | | | | |
20 | | | 140 | 180 | 230 | 260 | 290 | 330 | 380 | | | | | |
22 | | | 140 | 160 | 200 | 230 | 260 | 300 | 240 | | | | | |
25 | | | | | 180 | 200 | 230 | 260 | 290 | 320 | | | | |
28 | | | | | | 180 | 200 | 230 | 260 | 280 | 330 | | | |
30 | | | | | | 170 | 180 | 210 | 240 | 260 | 310 | | | |
32 | | | | | | 160 | 170 | 200 | 220 | 240 | 290 | 330 | | |
38 | | | | | | | 140 | 160 | 190 | 200 | 270 | 270 | 310 | |
50 | | | | | | | | | | 150 | 210 | 210 | 240 | 270 |
Manufacturing & Stock Range for Stainless Steel Pipes in India
Name | Stainless Steel Pipes |
Standard | ASTM A554, A249, A269 and A270, A312 |
Material Grade | 201 ( Ni 1.2%), |
202 (Ni 3.5%~4.5%), |
301(Ni 5%) |
304 (Ni 8%, Cr 18%), |
316 (Ni 10%, Cr 18%), |
316L (Ni10%~14%), |
430 |
Outer Diameter | 6mm–914.4 (1/4″ NB to 36″ NB) |
Thickness | 0.8mm to 30 mm Wall thickness |
Length | 6m or as customer’s request |
| a) Outer Diameter: +/- 0.2mm |
Tolerance | b) Thickness: +/- 0.02mm |
| c) Length: +/- 5mm |
Surface | Annealed & Pickled (Passivated) Finish |
180G, 320G, 400G Satin / Hairline |
400G, 500G, 600G or 800G Mirror finish |
Test | Hydro Test, Eddy Current Test, Heat Treatment, NDT |
Chemical Composition of Material | Material | 201 | 202 | 304 | 316 | 430 |
C | ≤0.15 | ≤0.15 | ≤0.08 | ≤0.08 | ≤0.12 |
Si | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 |
Mn | 5.5-7.5 | 7.5-10 | ≤2.00 | ≤2.00 | ≤1.00 |
P | ≤0.06 | ≤0.06 | ≤0.045 | ≤0.045 | ≤0.040 |
S | ≤0.03 | ≤0.03 | ≤0.030 | ≤0.030 | ≤0.030 |
Cr | 16-18 | 17-19 | 18-20 | 16-18 | 16-18 |
Ni | 3.5-5.5 | 4-6 | 8-10.5 | 10-14 | |
Mo | | | | 2.0-3.0 | |
Mechanical Property | Material Item | 201 | 202 | 304 | 316 |
Tensile Strength | ≥535 | ≥520 | ≥520 | ≥520 |
Yield Strength | ≥245 | ≥205 | ≥205 | ≥205 |
Extension | ≥30% | ≥30% | ≥35% | ≥35% |
Hardness (HV) | <253 | <253 | <200 | <200 |
Payment | Payment by T/T, 30% as advance payment and 70% balance, against Invoice Before Delivery |
Delivery time | 3 days if goods are in stock. |
20 days if goods nee to be produced after order |
Validity | Valid time is 3 days for price usually. |