Different international standards fall under IS 3074 Steel Tube. The heat exchangers, petroleum industry, construction, and automobile industries all employ the cold drawn electric resistance welded IS 3074 Cew pipes. These are carbon, phosphorus, sulphur, and silicon-containing carbon steel pipes. Each grade has a unique makeup, and there are different grades. The IS 3074 ERW 2 has a minimum tensile strength of 687 MPa and a minimum yield strength of 589 MPa. The carbon steel pipes' exceptional toughness, resistance to creep, and resistance to corrosion are all made possible by the material composition. The majority of conventional welding techniques can be used to weld the IS 3074 Cew 1 and preheating is not necessary. Additionally, no post-weld heat treatment is necessary to protect the welded connections. The pipes' outside diameters can range from 5mm to 1219.2m, and their wall thicknesses can be between 0.5mm and 20mm thanks to the ERW 1 IS 3074 Properties. The pressure capacities of the pipes range from sch5 to XXS and heavier. The carbon content of the pipes serves as the primary basis for the IS 3074 Pipe grades and separation. The highest amount of carbon in the cew2's composition, cew3's at 0.2, cew4's at 0.25, and cew5's at 0.23 percent. According to the needs of the customer, the IS 3074 Cdw Tubes Steel Coating may be coated with galvanising, PTFE, 3LPE, or any other appropriate material.
IS 3074 Pipe
ERW 1 IS 3074
Seamless Steel Tube of BS 3074
| Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
|---|---|---|---|---|---|---|---|
| 32 | - | - | 0.23 | - | |||
| 382 | 448 | - | 24.3 | 231 | - | ||
| 273 | - | 44 | 41.2 | 442 | 332 |
IS 3074 Cdw Tubes Steel Coating
IS 3074 Stainless Steel Pipe
Steel Pipes IS 3074
IS 3074 Steel Tube
IS 3074 Erw-2
IS Erw-1 IS 3074
| Specifi cation | Grade | Rm kgf/mm2 N/mm2 | Re kgf/mm2 N/mm2 Min. |
Flattening Test | Drift Expansion on D% | Chemical Composition | Tolerances | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C% | Mn% | C% | Mn% | Mean Outside Diameter | Tole– rance ± mm |
Thickness | ||||||||||
| Min. | Max. | Min. | Max. | |||||||||||||
| Over mm | U.T.I. mm | |||||||||||||||
| IS:3074 – 1979 | ERW–1 | 32 310 |
17 160 |
3t | 12 ½ | – | 0.20 | 0.30 | 0.60 | – | 25 | 0.10 | ±8%^ (excluding the weld). The height of the internal fin shall not be greater than 60% of the specified wall thickness. | |||
| ERW–2 | 39 380 |
25 240 |
5t | 10 | 0.20 | 0.30 | 0.30 | 0.60 | 25 51 |
51 63 |
0.13 0.15 |
|||||
| ERW–3 | 44 430 |
28 270 |
8t | 7 ½ | – | 0.40 | 0.30 | 0.60 | 63 76 |
76 88 |
0.20 0.25 |
|||||
| Crushing Test % mm | Tolerance | |||||||||||||||
| Mean Outside Inside Diameter |
Thickness | Tole–rance on mean thick–ness ± mm | ||||||||||||||
| Over mm |
U.T.I. mm |
Tole–rance ± mm | Over mm |
U.T.I. mm |
||||||||||||
| CEW–1 (anne–aled) | 32 310 |
– | 17 160 |
50 | – | 0.20 | 0.30 | 0.60 | – | 38 | 0.10 | – | 2 | 0.08 | ||
| CEW–1 (As drawn) | 44 430 |
– | 38 370 |
25 | – | 0.20 | 0.30 | 0.60 | 38 | 51 | 0.31 | |||||
| CEW–2 (anne–aled) | 44 430 |
– | 28 270 |
50 | 0.20 | 0.30 | 0.30 | 0.60 | 51 | 64 | 0.16 | |||||
| CEW–2 (As drawn) | 56 550 |
– | 46 450 |
25 | 0.20 | 0.30 | 0.30 | 0.60 | 64 | 77 | 0.19 | 2 | 5 | 0.10 | ||
| Rm: Tensile strength, Re: Yield stress, D: Outside diameter, t: Wall thickness | ||||||||||||||||
| Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 699 (≥) | 168 (≥) | 23 | 32 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 342 |
1169°C - 1613°C