pipe
| Country | Product | Outer Diameter (mm) | Wall Thickness (mm) | Length (m) | Steel Grade | Chemical Composition | Mechanical Properties | Standard | Notes |
| Iran | Pipe | 21.3 | 2.65 | 6, 12, 18 | ST37 | C≤0.20%, Si 0.15–0.35%, Mn 0.35–0.75%, P≤0.05%, S≤0.05% | Yield ≈235 MPa, Tensile 360–460 MPa, Elongation 25% | — | Water/Gas pipe |
| Iran | Pipe | 26.9 | 2.65 | 6, 12, 18 | ST37 | C≤0.20%, Si 0.15–0.35%, Mn 0.35–0.75%, P≤0.05%, S≤0.05% | Yield ≈235 MPa, Tensile 360–460 MPa, Elongation 25% | — | Water/Gas pipe |
| Iran | Pipe | 33.7 | 3.25 | 6, 12, 18 | ST37 | C≤0.20%, Si 0.15–0.35%, Mn 0.35–0.75%, P≤0.05%, S≤0.05% | Yield ≈235 MPa, Tensile 360–460 MPa, Elongation 25% | — | Water/Gas pipe |
| Iran | Pipe | 42.4 | 3.25 | 6, 12, 18 | ST37 | C≤0.20%, Si 0.15–0.35%, Mn 0.35–0.75%, P≤0.05%, S≤0.05% | Yield ≈235 MPa, Tensile 360–460 MPa, Elongation 25% | — | Water/Gas pipe |
| Iran | Pipe | 48.3 | 3.25 | 6, 12, 18 | ST37 | C≤0.20%, Si 0.15–0.35%, Mn 0.35–0.75%, P≤0.05%, S≤0.05% | Yield ≈235 MPa, Tensile 360–460 MPa, Elongation 25% | — | Water/Gas pipe |
| Iran | Pipe | 60.3 | 3.65 | 6, 12, 18 | ST37 | C≤0.20%, Si 0.15–0.35%, Mn 0.35–0.75%, P≤0.05%, S≤0.05% | Yield ≈235 MPa, Tensile 360–460 MPa, Elongation 25% | — | Water/Gas pipe |
| Iran | Pipe | 76.1 | 3.65 | 6, 12, 18 | ST37 | C≤0.20%, Si 0.15–0.35%, Mn 0.35–0.75%, P≤0.05%, S≤0.05% | Yield ≈235 MPa, Tensile 360–460 MPa, Elongation 25% | — | Water/Gas pipe |
| Iran | Pipe | 88.9 | 4.05 | 6, 12, 18 | ST37 | C≤0.20%, Si 0.15–0.35%, Mn 0.35–0.75%, P≤0.05%, S≤0.05% | Yield ≈235 MPa, Tensile 360–460 MPa, Elongation 25% | — | Water/Gas pipe |
| Iran | Pipe | 114.3 | 4.05 | 6, 12, 18 | ST37 | C≤0.20%, Si 0.15–0.35%, Mn 0.35–0.75%, P≤0.05%, S≤0.05% | Yield ≈235 MPa, Tensile 360–460 MPa, Elongation 25% | — | Water/Gas pipe |
| Iran | Pipe | 139.7 | 4.45 | 6, 12, 18 | ST37 | C≤0.20%, Si 0.15–0.35%, Mn 0.35–0.75%, P≤0.05%, S≤0.05% | Yield ≈235 MPa, Tensile 360–460 MPa, Elongation 25% | — | Water/Gas pipe |
| Iran | Pipe | 141.3 | 4.85 | 6, 12, 18 | ST37 | C≤0.20%, Si 0.15–0.35%, Mn 0.35–0.75%, P≤0.05%, S≤0.05% | Yield ≈235 MPa, Tensile 360–460 MPa, Elongation 25% | — | Water/Gas pipe |
| Russia | Pipe | 10.2 | 1.8 | 4–12 | St3 | C 0.14–0.22%, Si 0.15–0.30%, Mn 0.40–0.65%, P≤0.04%, S≤0.05% | Yield 225–245 MPa, Tensile 370–480 MPa, Elongation 23–26% | GOST 3262-75 | Water/Gas pipe |
| Russia | Pipe | 15 | 1.8 | 4–12 | St3 | C 0.14–0.22%, Si 0.15–0.30%, Mn 0.40–0.65%, P≤0.04%, S≤0.05% | Yield 225–245 MPa, Tensile 370–480 MPa, Elongation 23–26% | GOST 3262-75 | Water/Gas pipe |
| Russia | Pipe | 20 | 2 | 4–12 | St3 | C 0.14–0.22%, Si 0.15–0.30%, Mn 0.40–0.65%, P≤0.04%, S≤0.05% | Yield 225–245 MPa, Tensile 370–480 MPa, Elongation 23–26% | GOST 3262-75 | Water/Gas pipe |
| Russia | Pipe | 25 | 2.3 | 4–12 | St3 | C 0.14–0.22%, Si 0.15–0.30%, Mn 0.40–0.65%, P≤0.04%, S≤0.05% | Yield 225–245 MPa, Tensile 370–480 MPa, Elongation 23–26% | GOST 3262-75 | Water/Gas pipe |
| Russia | Pipe | 32 | 2.8 | 4–12 | St3 | C 0.14–0.22%, Si 0.15–0.30%, Mn 0.40–0.65%, P≤0.04%, S≤0.05% | Yield 225–245 MPa, Tensile 370–480 MPa, Elongation 23–26% | GOST 3262-75 | Water/Gas pipe |
| Russia | Pipe | 40 | 2.8 | 4–12 | St3 | C 0.14–0.22%, Si 0.15–0.30%, Mn 0.40–0.65%, P≤0.04%, S≤0.05% | Yield 225–245 MPa, Tensile 370–480 MPa, Elongation 23–26% | GOST 3262-75 | Water/Gas pipe |
| Russia | Pipe | 50 | 3.2 | 4–12 | St3 | C 0.14–0.22%, Si 0.15–0.30%, Mn 0.40–0.65%, P≤0.04%, S≤0.05% | Yield 225–245 MPa, Tensile 370–480 MPa, Elongation 23–26% | GOST 3262-75 | Water/Gas pipe |
| Russia | Pipe | 65 | 3.2 | 4–12 | St3 | C 0.14–0.22%, Si 0.15–0.30%, Mn 0.40–0.65%, P≤0.04%, S≤0.05% | Yield 225–245 MPa, Tensile 370–480 MPa, Elongation 23–26% | GOST 3262-75 | Water/Gas pipe |
| Russia | Pipe | 80 | 3.5 | 4–12 | St3 | C 0.14–0.22%, Si 0.15–0.30%, Mn 0.40–0.65%, P≤0.04%, S≤0.05% | Yield 225–245 MPa, Tensile 370–480 MPa, Elongation 23–26% | GOST 3262-75 | Water/Gas pipe |
| Russia | Pipe | 100 | 4 | 4–12 | St3 | C 0.14–0.22%, Si 0.15–0.30%, Mn 0.40–0.65%, P≤0.04%, S≤0.05% | Yield 225–245 MPa, Tensile 370–480 MPa, Elongation 23–26% | GOST 3262-75 | Water/Gas pipe |
| Russia | Pipe | 125 | 4 | 4–12 | St3 | C 0.14–0.22%, Si 0.15–0.30%, Mn 0.40–0.65%, P≤0.04%, S≤0.05% | Yield 225–245 MPa, Tensile 370–480 MPa, Elongation 23–26% | GOST 3262-75 | Water/Gas pipe |
| Russia | Pipe | 150 | 4.5 | 4–12 | St3 | C 0.14–0.22%, Si 0.15–0.30%, Mn 0.40–0.65%, P≤0.04%, S≤0.05% | Yield 225–245 MPa, Tensile 370–480 MPa, Elongation 23–26% | GOST 3262-75 | Water/Gas pipe |
| Russia | Pipe | 165 | 5 | 4–12 | St3 | C 0.14–0.22%, Si 0.15–0.30%, Mn 0.40–0.65%, P≤0.04%, S≤0.05% | Yield 225–245 MPa, Tensile 370–480 MPa, Elongation 23–26% | GOST 3262-75 | Water/Gas pipe |