ISO Certified Manufacturer
Spark Steel manufactures and supplies a comprehensive range of Stainless Steel ERW Pipes with sizes varying from 1/8 to 36 inches NB and outer diameters from 6.35 to 114.3 mm. These cold-formed, precision-rolled, and hot-formed pipes are manufactured in compliance with international standards such as ASTM A312, A249, A270, A269, A358, A268, and A213, offering lengths up to 26 meters and wall thicknesses from 0.8 to 12.7 mm. They are available in various shapes—including round, square, rectangle, and hex—with plain or beveled ends, and feature surface finishes like 2B, No.1, No.4, and No.8 Mirror Finish, along with annealed, polished, and bright options.
SS ERW pipe specification
SS ERW pipe specification
| SPECIFICATION | DETAILS |
|---|---|
| Size | 1/8” - 36” NB, 1/4” - 36” OD |
| OD | 6.35 - 114.3 mm |
| Length | up to 26 Meters |
| Standard ASTM No | ASTM A312, A249, A270, A269, A358, A268, A213 |
| Surface Finish | 2B, No.1, No.4, No.8 Mirror Finish |
| Thickness | 0.8 - 12.7 mm |
| Manufacturing Process | Cold Formed, Precision Rolled, Hot Formed |
| Shapes | Rectangle, Round, Square, Hex |
| End | Plain, Beveled |
| Testing | Ultrasonic, PMI, Chemical, Mechanical |
| Advantages | Durability, Weldability, High Strength, Corrosion Resistance |
| Finish | Annealing, Polished, Bright |
ERW SS pipe price
ERW SS pipe price
| Description | Price per kg in INR | Price in USD |
|---|---|---|
| 4 inch Round Stainless Steel ERW Pipe, 6 meter | ₹ 220 | $ 2.56 |
| SS ERW Industrial Pipes, thickness 0.3mm | ₹ 225 | $ 2.62 |
| Coated SS 304 Erw Round Pipes, Wall Thickness: 1 MM, length 6 meter | ₹ 201 | $ 2.34 |
| Erw SS Pipe, Size: 1 Inch - 4inch | ₹ 235 | $ 2.74 |
Stainless steel ERW pipe weight chart
Stainless steel ERW pipe weight chart
| NPS | Outside Diameter | Weight | Weight | ||
|---|---|---|---|---|---|
| milimeter | in | Sched | Lb/feet | kilogram/Mtr | |
| 30″ | 762 | 30.000 | 79.433 | 118.318 | |
| 1/2″ | 21 | 0.840 | 40 STD | 0.851 | 1.268 |
| 10″ | 273 | 10.750 | 21.207 | 31.588 | |
| 36″ | 914 | 36.000 | 95.453 | 142.180 | |
| 3/4″ | 27 | 1.050 | 40 STD | 1.131 | 1.684 |
| 8″ | 219 | 8.625 | 16.940 | 25.233 | |
| 24″ | 610 | 24.000 | 63.413 | 94.456 | |
| 1″ | 33 | 1.315 | 40 STD | 1.679 | 2.501 |
| 20″ | 508 | 20.000 | 52.733 | 78.547 | |
| 1 1/4″ | 42 | 1.660 | 40 STD | 2.273 | 3.385 |
| 16” | 406 | 16.000 | 21.748 | 47.290 | |
| 1 1/2″ | 48 | 1.900 | 40 STD | 2.718 | 4.048 |
| 18″ | 457 | 18.000 | 41.588 | 61.948 | |
| 2″ | 60 | 2.375 | 40 STD | 3.653 | 5.441 |
| 42″ | 1067 | 42.000 | 138.911 | 206.914 | |
| 2 1/2″ | 73 | 2.875 | 40 STD | 5.793 | 8.629 |
| 48″ | 1219 | 48.000 | STD | 190.738 | 284.112 |
| 3″ | 89 | 3.500 | 40 STD | 7.576 | 11.284 |
| 12″ | 324 | 12.750 | 25.222 | 37.570 | |
| 4″ | 114 | 4.500 | 10.790 | 16.073 | |
| 14″ | 356 | 14.000 | 27.732 | 41.308 | |
| 6″ | 168 | 6.625 | 12.924 | 19.252 | |
SS ERW pipe pressure rating
SS ERW pipe pressure rating
| Pressure Rating (psig) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Size (inches) |
Schedule | Temperature (oF) | ||||||||
| 100 | 750 | 200 | 650 | 300 | 700 | 400 | 600 | 500 | ||
| 1" | 40 | 3048 | 1810 | 2629 | 1867 | 2362 | 1824 | 2171 | 1924 | 2019 |
| 160 | 6140 | 3646 | 5296 | 3761 | 4759 | 3684 | 4375 | 3876 | 4068 | |
| 80 | 4213 | 2501 | 3634 | 2580 | 3265 | 2528 | 3002 | 2659 | 2791 | |
| 1 1/2" | 40 | 2257 | 1340 | 1947 | 1383 | 1750 | 1354 | 1608 | 1425 | 1496 |
| 160 | 4619 | 2743 | 3984 | 2829 | 3580 | 2772 | 3291 | 2916 | 3060 | |
| 80 | 3182 | 1889 | 2744 | 1949 | 2466 | 1909 | 2267 | 2009 | 2108 | |
| 2" | 40 | 1902 | 1129 | 1640 | 1165 | 1474 | 1141 | 1355 | 1201 | 1260 |
| 160 | 4499 | 2671 | 3880 | 2755 | 3486 | 2699 | 3205 | 2840 | 2980 | |
| 80 | 2747 | 1631 | 2369 | 1682 | 2129 | 1648 | 1957 | 1734 | 1820 | |
| 3" | 40 | 1806 | 1072 | 1558 | 1106 | 1400 | 1084 | 1287 | 1140 | 1196 |
| 160 | 3840 | 2280 | 3312 | 2352 | 2976 | 2304 | 2736 | 2424 | 2544 | |
| 80 | 2553 | 1516 | 2202 | 1564 | 1979 | 1532 | 1819 | 1612 | 1691 | |
| 4" | 40 | 1531 | 909 | 1321 | 938 | 1187 | 919 | 1091 | 967 | 1014 |
| 160 | 3601 | 2138 | 3106 | 2206 | 2791 | 2161 | 2566 | 2273 | 2386 | |
| 80 | 2213 | 1314 | 1909 | 1355 | 1715 | 1328 | 1577 | 1397 | 1466 | |
| 5" | 40 | 1342 | 797 | 1158 | 822 | 1040 | 805 | 956 | 847 | 889 |
| 160 | 3414 | 2027 | 2945 | 2091 | 2646 | 2049 | 2433 | 2155 | 2262 | |
| 80 | 1981 | 1176 | 1709 | 1213 | 1535 | 1189 | 1411 | 1250 | 1312 | |
| 6" | 40 | 1219 | 724 | 1052 | 747 | 945 | 732 | 869 | 770 | 808 |
| 160 | 3289 | 1953 | 2836 | 2014 | 2549 | 1973 | 2343 | 2076 | 2179 | |
| 80 | 1913 | 1136 | 1650 | 1172 | 1483 | 1148 | 1363 | 1208 | 1267 | |
| 8" | 40 | 1073 | 637 | 926 | 657 | 832 | 644 | 765 | 678 | 711 |
| 160 | 3175 | 1885 | 2738 | 1944 | 2460 | 1905 | 2262 | 2004 | 2103 | |
| 80 | 1692 | 1005 | 1459 | 1036 | 1311 | 1015 | 1205 | 1068 | 1121 | |
| 10" | 40 | 974 | 578 | 840 | 596 | 755 | 584 | 694 | 615 | 645 |
| 160 | 3147 | 1868 | 2714 | 1927 | 2439 | 1880 | 2242 | 1986 | 2085 | |
| 80 | 1609 | 956 | 1388 | 986 | 1247 | 966 | 1147 | 1016 | 1066 | |
ERW stainless steel pipe thickness chart
ERW stainless steel pipe thickness chart
| NPS Designator | Outside Diameter in. | Schedule 5S in. | Schedule 10S in. | Schedule 40S in. | Schedule 80S in. |
|---|---|---|---|---|---|
| 1 1/2 | 1.9 | 0.065 | 0.109 | 0.145 | 0.2 |
| 3/8 | 0.675 | 0.065 | 0.091 | 0.126 | |
| 3 1/2 | 4 | 0.083 | 0.12 | 0.226 | 0.318 |
| 1 1/4 | 1.66 | 0.065 | 0.109 | 0.14 | 0.191 |
| 2 | 2.375 | 0.065 | 0.109 | 0.154 | 0.218 |
| 10 | 10.75 | 0.134 | 0.165 | 0.365 | 0.5 |
| 1 | 1.315 | 0.065 | 0.109 | 0.133 | 0.179 |
| 5 | 5.563 | 0.109 | 0.134 | 0.258 | 0.375 |
| 3 | 3.5 | 0.083 | 0.12 | 0.216 | 0.3 |
| 1/4 | 0.54 | 0.065 | 0.088 | 0.119 | |
| 1/2 | 0.84 | 0.065 | 0.083 | 0.109 | 0.147 |
| 2 1/2 | 2.875 | 0.083 | 0.12 | 0.203 | 0.276 |
| 3/4 | 1.05 | 0.065 | 0.083 | 0.113 | 0.154 |
| 4 | 4.5 | 0.083 | 0.12 | 0.237 | 0.337 |
| 8 | 8.625 | 0.109 | 0.148 | 0.322 | 0.5 |
| 6 | 6.625 | 0.109 | 0.134 | 0.28 | 0.432 |
| 12 | 12.75 | 0.156 | 0.18 | 0.375 | 0.5 |
SS 304 ERW pipe size chart
SS 304 ERW pipe size chart
| Pipe OD milimeter |
Pipe WT mm |
in. | Kg/meter | Sch |
|---|---|---|---|---|
| 13.72 | 2.24 | 1/4 | 0.64 | 40S |
| 21.34 | 3.73 | 1/2 | 1.65 | 80S |
| 60.33 | 2.77 | 2 | 3.99 | 10S |
| 33.40 | 4.55 | 1 | 3.29 | 80S |
| 219.08 | 18.23 | 8 | 91.30 | 120 |
| 114.30 | 8.56 | 4 | 22.67 | 80S |
| 42.16 | 6.352 | 1¼ | 5.69 | 160 |
| 60.33 | 8.742 | 2 | 11.29 | 160 |
| 48.26 | 2.77 | 1½ | 3.16 | 10S |
| 73.03 | 5.16 | 2½ | 8.77 | 40S |
| 26.67 | 3.91 | 3/4 | 2.23 | 80S |
| 168.28 | 10.97 | 6 | 43.21 | 80S |
| 33.40 | 6.352 | 1 | 4.30 | 160 |
| 13.72 | 1.65 | 1/4 | 0.50 | 10S |
| 17.15 | 3.20 | 3/8 | 1.12 | 80S |
| 141.30 | 15.882 | 5 | 49.87 | 160 |
| 219.08 | 23.012 | 8 | 112.97 | 160 |
| 88.90 | 3.05 | 3 | 6.56 | 10S |
| 101.60 | 8.08 | 3½ | 18.92 | 80S |
| 88.90 | 11.132 | 3 | 21.67 | 160 |
| 141.30 | 9.53 | 5 | 31.44 | 80S |
Stainless steel erw pipe manufacturing process
SS ERW round pipe dimenions
SS ERW round pipe dimenions
| Nominal | O.D. Inches | 10 | 40 | 10s | 80s & E.H. | 40s & Std | 160 | 80 |
|---|---|---|---|---|---|---|---|---|
| 1/2 | .840 | .083 | .109 | .083 | .147 | .109 | .187 | .147 |
| 1/8 | .405 | .049 | .068 | .049 | .095 | .068 | .095 | |
| 3 1/2 | 4.000 | .120 | .226 | .120 | .318 | .226 | .318 | |
| 4 1/2 | 5.000 | .355 | .247 | |||||
| 3/8 | .675 | .065 | .091 | .065 | .126 | .091 | .126 | |
| 6 | 6.625 | .134 | .280 | .134 | .432 | .280 | .718 | .432 |
| 3/4 | 1.050 | .083 | .113 | .083 | .154 | .113 | .218 | .154 |
| 7 | 7.625 | .500 | .301 | |||||
| 1 | 1.315 | .109 | .133 | .109 | .179 | .133 | .250 | .179 |
| 2 | 2.375 | .109 | .154 | .109 | .218 | .154 | .343 | .218 |
| 1 1/4 | 1.660 | .109 | .140 | .109 | .191 | .140 | .250 | .191 |
| 1 1/2 | 1.900 | .109 | .145 | .109 | .200 | .145 | .281 | .200 |
| 1/4 | .540 | .065 | .088 | .065 | .119 | .088 | .119 | |
| 2 1/2 | 2.875 | .120 | .203 | .120 | .276 | .203 | .375 | .276 |
| 9 | 9.625 | .500 | .342 | |||||
| 3 | 3.500 | .120 | .216 | .120 | .300 | .216 | .437 | .300 |
| 10 | 10.750 | .165 | .365 | .165 | .500 | .365 | 1.125 | .593 |
| 4 | 4.500 | .120 | .237 | .120 | .337 | .237 | .531 | .337 |
| 12 | 12.750 | .180 | .406 | .180 | .500 | .375 | 1.312 | .687 |
| 5 | 5.563 | .134 | .258 | .134 | .375 | .258 | .625 | .375 |
| 14 | 14.000 | .250 | .437 | .188 | .500 | .375 | 1.406 | .750 |
| 8 | 8.625 | .148 | .322 | .148 | .500 | .322 | .906 | .500 |
| 16 | 16.000 | .250 | .500 | .188 | .500 | .375 | 1.593 | .843 |
| 11 | 11.750 | .500 | .375 | |||||
| 18 | 18.000 | .250 | .562 | .188 | .500 | .375 | 1.781 | .937 |
SS ERW pipes applications
- Food and beverage industry
- Marine and shipbuilding
- mining and mineral processing
- Water supply and plumbing
- chemical and petrochemical industry
- Automotive industry
- Power generation and energy
- Construction and infrastructure
- Oil and gas industry
- Pharmaceutical industry
- Fire protection systems
Temperature range of stainless steel 316 ERW pipes
Temperature range of stainless steel 316 ERW pipes
| Grade | Temp Range (°C) |
|---|---|
| 316/316L | -196°C to 800°C |
| 304/304L | -196°C to 870°C |
| 321/321H | -196°C to 870°C |
| 310/310S | -196°C to 1150°C |
| 347/347H | -196°C to 870°C |
| 904L | -196°C to 450°C |
SS ERW pipe hsn code
SS ERW pipe hsn code
| HS CODE | |
|---|---|
| SS ERW(Electric Resistance Welded) Pipe | 73064000 |
Stainless steel 304 ERW pipe welding methods
- Submerged Arc Welding
- Laser Beam Welding
- Gas Tungsten Arc Welding
- Shielded Metal Arc Welding
- Flux-Cored Arc Welding
- Gas Metal Arc Welding
- Plasma Arc Welding
ERW SS pipe chemical composition
ERW SS pipe chemical composition
| SS Grades | Phosphorus | Manganese | Carbon | Nickel | Sulfur | Silicon | Chromium | Other |
|---|---|---|---|---|---|---|---|---|
| 304 | 0.04 | 2 | 0.08 | 8.00 11.00 | 0.03 | 0.075 | 18.00 20.00 | |
| 304L | 0.04 | 2 .00 | 0.035 | 8.00 13.00 | 0.03 | 0.75 | 18.00 20.00 | |
| 304H | 0.04 | 2 | 0.04 0.1 | 8.00 11 | 0.03 | 0.75 | 18.00 20 | |
| 316 | 0.040 | 2.00 | 008 | 11.00 4.00 | 0.030 | 0.75 | 16.00 18.00 | Mo2.00- 3.00 |
| 316L | 0.04 | 2 | 0.035 | 10.00 15 | 0.03 | 0.75 | 16.00 18 | Mo 2.00 3.00 |
| 310 | 0.04 | 2 | 0.15 | 19.00 22 | 0.03 | 0.75 | 24.00 26 | |
| 321 | 0.04 | 203 | 0.48 | 9.00 13 | 0.03 | 0.75 | 17.00 20 | Ti 5XC-0.60 |
| 416 | 0.066 | 1.25 | 0.15 | 0.15 | 1.00 | 12.00 14.00 | ||
| 317 | 0.04 | 2 | 0.08 | 11.00 14 | 0.03 | 0.75 | 18.00 20 | Mo 3.00 4.00 |
| 347 | 0.04 | 200 | 0.08 | 7.00 13 | 0.03 | 0.75 | 17.00 20 | Cb + Ta 10 XC-1.00 |
| 316H | 0040 | I 2.00 | 0_04 0.10 | 11.00 14.00 | 0.030 | 0.75 | 16.00 18.00 | Mo2.00-3.00 |
Mechanical properties of SS ERW square pipe
Mechanical properties of SS ERW square pipe
| Type | Yield Strength | Tensile Strength | Rockwell Hardness | Elongation |
|---|---|---|---|---|
| SS 304 | 35000 75000 |
85000 105000 |
RB80 RB95 |
55 20 |
| SS 304L | 30000 75000 |
80000 105000 |
RB75 RB95 |
55 20 |
| SS 304H | 35,000 | 85,000 | RB80 | 55 |
| SS 317 | 40,000 | 90,000 | RB85 | 45 |
| SS 310 | 45,000 | 95,000 | RB85 | 45 |
| 316L | 30000 | 80000 | RB75 | 50 |
| SS 316 | 35000 | 85000 | RB80 | 50 |
| SS 416 | 35,000 | 75,000 | RB95 | 20 |
| SS 347 | 40,000 | 95,000 | RB85 | 50 |
| 316H | 35000 | 85000 | RB80 | 50 |
| SS 321 | 35000 75000 |
90,000 105000 |
RB80 RB95 |
55 20 |
Equivalent grades of Stainless steel electric fusion welded pipe
Equivalent grades of Stainless steel electric fusion welded pipe
| America | United Kingdom | Russia | Russia | Japan | North America | Europe | France |
|---|---|---|---|---|---|---|---|
| ASTM | BS | GOST | WERKSTOFF NR. | JIS | UNS | EN | AFNOR |
| SS 304 | 304S31 | 08Х18Н10 | 1.4301 | SUS 304 | S30400 | X5CrNi18-10 | Z7CN18‐09 |
| SS 304L | 3304S11 | 03Х18Н11 | 1.4306 / 1.4307 | SUS 304L | S30403 | X2CrNi18-9 / X2CrNi19-11 | Z3CN18‐10 |
| SS 316H | 316S51 | - | - | - | S31609 | - | - |
| SS 317L | - | - | 1.4438 | SUS 317L | S31703 | X2CrNiMo18-15-4 | - |
| SS 317 | - | - | 1.4449 | SUS 317 | S31700 | X5CrNiMo1713 | - |
| SS 347 | - | - | 1.4550 | SUS 347 | S34700 | X6CrNiNb18-10 | - |
| SS 310 | 310S24 | 20Ch25N20S2 | 1.4841 | SUS 310 | S31000 | X15CrNi25-20 | – |
| SS 316L | 316S11 / 316S13 | 03Ch17N14M3 / 03Ch17N14M2 | 1.4404 / 1.4435 | SUS 316L | S31603 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
Z3CND17‐11‐02 / Z3CND18‐14‐03 |
| SS 304H | – | – | 1.4301 | – | S30409 | – | – |
| SS 316 | 316S31 / 316S33 | - | 1.4401 / 1.4436 | SUS 316 | S31600 | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 |
Z7CND17‐11‐02 |
| SS 347H | - | - | 1.4961 | SUS 347H | S34709 | X6CrNiNb18-12 | - |
| SS 321 | - | - | 1.4541 | SUS 321 | S32100 | X6CrNiTi18-10 | - |
| SS 409 | - | - | 1.4512 | SUS409 | S40900 | X2CrTi12 | - |
| SS 410S | - | - | 1.4516 | SUS410S | S41008 | X6CrNiTi12 | - |
| SS 310S | 310S16 | 20Ch23N18 | 1.4845 | SUS 310S | S31008 | X8CrNi25-21 | – |
| SS 321H | - | - | 1.4878 | SUS 321H | S32109 | X12CrNiTi18-9 | - |
| SS 904L | 904S13 | STS 317J5L | 1.4539 | SUS 904L | N08904 | X1NiCrMoCu25-20-5 | Z2 NCDU 25-20 |
SS ERW steel pipe physical properties
SS ERW steel pipe physical properties
| SS Grades | Coefficient of Thermal Expansion (μm/m·°C) | Density (gram/cm³) | Electrical Resistivity (µΩ·cm) | Melting Point (°C) | Thermal Conductivity (W/m·K) |
|---|---|---|---|---|---|
| 304L | 16.0 | 7.93 | 72.3 | 1400 – 1450 | 16.2 |
| 904L | 16.0 | 8.00 | 70.0 | 1350 – 1400 | 15.0 |
| 304 | 17.2 | 7.93 | 0.072 | 1400 – 1450 | 16.2 |
| 310S | 17.0 | 7.90 | 72.0 | 1400 – 1450 | 14.0 |
| 317 | 16.5 | 7.95 | 74.5 | 1375 – 1400 | 16.3 |
| 316Ti | 16.5 | 7.98 | 74.0 | 1375 – 1400 | 16.3 |
| 317L | 16.5 | 7.95 | 74.5 | 1375 – 1400 | 16.3 |
| 316L | 16.5 | 7.98 | 74.0 | 1375 – 1400 | 16.3 |
| 410 | 11.5 | 7.75 | 78.0 | 1480 – 1530 | 30.0 |
| 310 | 17.0 | 7.90 | 72.0 | 1400 – 1450 | 14.0 |
| 446 | 11.5 | 7.80 | 76.0 | 1400 – 1450 | 30.0 |
| 304H | 16.0 | 7.93 | 72.3 | 1400 – 1450 | 16.2 |
| 321H | 16.0 | 7.93 | 74.0 | 1400 – 1450 | 16.2 |
| 347 | 16.0 | 7.93 | 74.0 | 1400 – 1450 | 16.2 |
| 316 | 16.5 | 7.98 | 74.0 | 1375 – 1400 | 16.3 |
| 321 | 16.0 | 7.93 | 74.0 | 1400 – 1450 | 16.2 |
Stainless steel ERW pipes dimensionial standards
- JIS G3459
- EN 10217
- ISO 1127
- DIN 11850
- ASME B36.10M
- GOST 9941
- ASTM A312
- ASME B36.19M
ERW vs EFW stainless steel pipe
ERW vs EFW stainless steel pipe
| Feature | ERW (Electric Resistance Welded) | EFW (Electric Fusion Welded) |
|---|---|---|
| Size Range | up to 24 inches | larger diameters above 6 inches |
| Schedule | (SCH 5 to SCH 80) | (SCH 40, SCH 80, SCH 160, and XXS) |
| Standards | ASTM A312, ASTM A249, and ASTM A269 | ASTM A671, ASTM A672 |
| Diameter Range | up to 24 inches (610mm) | above 6 inches (150mm) and up to 100 inches (2540mm) |
| Heat Input | Lower heat input | Higher heat input |
| Temperature & pressure handling | Suitable for low to medium pressure applications | Suitable for high-pressure and high-temperature |
| Applications | Oil & gas,automotive exhausts, structural, water supply | Boilers, petrochemical plants, heat exchangers, power plants |
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