JIS Seamless Pipe
| Standard No | Steel Grade | Standard Name | Dimension Range |
|---|---|---|---|
| JIS G3429 | STH38, STH55, STH67 | Seamless Steel Tubes in High Pressure Gas Cylinder | |
| JIS G3439 | STO-G, STO-H, STO-J, STO-N, STO-C, STO-D, STO-E | Seamless Steel Oil Well Casing, Tubing and Drill Pipe | |
| JIS G3441 | SCr 420TK, SCM415TK, SCM418TK, SCM420TK, SCM430TK, SCM435TK, SCM440TK | Alloy Steel Tubes for General Structural Purpose | |
| JIS G3444 | STK 30, STK 41, STK 50, STK 51, STK 55 | Carbon Steel Tubes for General Structural Purpose | 21.7-1016.0 mm |
| JIS G3445 | STKM11A,STKM12A, STKM12B, STKM12C, STKM13A, STKM13B, STKM13C, STKMI4A, STKM14B, STKM14C, STKM15A, STKM18C, STKM16A, STKM18C, STKM17A, STKM17C, STKM18A, STKM18B, STKM18C, STKM19A, STKM19C, STKM20A | Carbon Steel Tubes for Machine Structural Purposes | |
| JIS G3454 | STPG 38, STPG 42 | Carbon Steel Pipes for Pressure Service | 10.5-660.4 mm |
| JIS G3455 | STS 38, STS 42, STS 49 | Carbon Steel Pipes for High Pressure Service | 10.5-660.4 mm |
| JIS G3456 | STPT 38, STPT 42, STPT 49 | Carbon Steel Pipes for High Temperature Service | 10.5-660.4 mm |
| JIS G3458 | STPA 12, STPA 20, STPA 22, STPA 23, STPA 24, STPA 25, STPA 26 | Alloy Steel Pipes for Service | 10.5-660.4 mm |
| JIS G3460 | STPL 39, STPL 46, STPL 70 | Steel Pipes for Low Temperature Service | 10.5-660.4mm |
| JIS G3461 | STB 35, STB 42, STB 52 | Carbon Steel Boiler and Heat Exchanger Tubes | 15.9-139.8 mm |
| JIS G3462 | STBAl2, STBAM, STBA20, STBA22, STBA23, STBA24, STBA25, STEA26 | Alloy Steel Boiler and Heat Exchanger Tubes | 15.9-139.8mm |
| JIS G3464 | STBL 39, STBL46, STBL 70 | Steel Heat Exchanger Tubes for Low Temperature Service | 15.9-50.8mm |
| JIS G3465 | STM-055, STM-C65, STM-R60, STM-1170, STM-1180, STM-R85 | Seamless Steel Tubes for Drilling | For Casing: 43-142mm For Hollow Pipes: 34-180mm For Drilling: 33.5-50mm |
| JIS G3467 | STF 42, STFAl2, STFA22, STFA23, 5TFA24, STFA23, STFA26 | Steel Tubes for Fired Heater | 60.5-267.4mm |
| Outside Diameter "D" (mm) | Wall Thickness "S" (mm) | Outside Diameter "D" (mm) | Wall Thickness "S" (mm) | Outside Diameter "D" (mm) | Wall Thickness "S" (mm) | ||
|---|---|---|---|---|---|---|---|
| Calculation of Unit Weight: W = 0.02466 * S * (D-S) | |||||||
| 10.5 | 1.7-2.4 | 57.1 | 2.012.5 | 139.8 | 3.6-18.0 | ||
| 13.8 | 2.2-3.0 | 60.5 | 2.0-12.5 | 142.0 | 4.5 | ||
| 15.9 | 1.2-2.9 | 63.0 | 3.0 | 144.0 | 5.25 | ||
| 17.3 | 2.3-3.2 | 63.5 | 2.3-12.5 | 165.2 | 4.5-18.2 | ||
| 19.0 | 1.2-2.9 | 64.0 | 4.75 | 180.0 | 6.00 | ||
| 21.7 | 1.2-4.7 | 65.0 | 2.3-12.5 | 190.7 | 4.5-7.0 | ||
| 25.4 | 1.2-3.5 | 70.0 | 2.3-12.5 | 216.3 | 4.5-23.0 | ||
| 27.2 | 1.2-5.5 | 73.0 | 3.0 | 267.4 | 6.0-28.6 | ||
| 31.8 | 1.2-4.5 | 74.0 | 4.75 | 318.5 | 6.0-33.3 | ||
| 33.5 | 5.25 | 76.3 | 2.3-12.5 | 355.6 | 6.3-35.7 | ||
| 34.0 | 1.6-6.4 | 82.6 | 3.2-12.5 | 406.4 | 6.4-40.5 | ||
| 38.1 | 1.6-5.5 | 83.0 | 3.0 | 457.2 | 6.4-45.2 | ||
| 40.5 | 4.75 | 84.0 | 4.75 | 500.0 | 9.0-14.0 | ||
| 42.0 | 5.0 | 88.9 | 3.2-12.5 | 508.0 | 6.4-50.0 | ||
| 42.7 | 2.0-6.4 | 89.1 | 4.5-11.1 | 558.8 | 6.4-54.0 | ||
| 43.0 | 3.0 | 97.0 | 3.5 | 600.0 | 9.0-16.0 | ||
| 44.0 | 4.75 | 99.0 | 5.25 | 609.6 | 6.4-59.5 | ||
| 45.0 | 2.0-6.5 | 101.6 | 3.2-12.7 | 660.4 | 7.9-64.2 | ||
| 48.6 | 2.0-7.1 | 112.0 | 3.5 | 700.0 | 9.0-16.0 | ||
| 50.0 | 6.5 | 114.0 | 5.25 | 711.2 | 9.0-22.0 | ||
| 50.8 | 2.0-12.5 | 114.3 | 3.2-14.0 | 812.8 | 9.0-22.0 | ||
| 53.0 | 3.0 | 127.0 | 4.0-12.5 | 914.4 | 12.0-22.0 | ||
| 54.0 | 2.0-12.5 | 129.0 | 5.25 | 1016.0 | 12.0-22.0 | ||
Table 1: Tolerance on Outside Diameter in JIS G3441, G3444, G3445
| Application | Tolerance on Outside Diameter (mm) | |
|---|---|---|
| JIS G3441 JIS G3444 JIS G3445 | =50 | ±0.5 |
| >50 | ±1% | |
| JIS G3441 JIS G3444 JIS G3445 | <50 | ±0.25 |
| >50 | ±0.5% | |
| JIS G3441 JIS G3445 | <25 | ±0.12 |
| >25-40 | ±0.15 | |
| >40-50 | ±0.18 | |
| >5:.60 | ±0.20 | |
| >60-70 | ±0.23 | |
| >70-80 | ±0.25 | |
| >80-90 | ±0.30 | |
| >90-100 | ±0.40 | |
| >100 | ±0.5% | |
| JIS G3441 | <13 | ±0.25 |
| >13-25 | ±0.40 | |
| >25-40 | ±0.60 | |
| >40-65 | ±0.80 | |
| >65-90 | ±1.00 | |
| >90-140 | ±1.20 | |
| >140 | By agreement | |
Table 2: Tolerance on Wall Thickness in JIS G3441, G3444, G3445
| Application | Tolerance on Wall Thickness (mm) | |
|---|---|---|
| JIS G3441 JIS G3444 JIS G3445 | <=4 | -0.5,+0.6 |
| >4 | -12.5%, +15% | |
| JIS G3441 JIS G3444 JIS G3445 | <=3 | ±0 .3 |
| >3 | ±10% | |
| JIS G3441 JIS G3445 | <=2 | ±0.15 |
| >2 | ±8% | |
Table 3: Tolerance on Outside Diameter and Wall Thickness in JIS G3454
| Application | Tolerance on Outside Diameter | Tolerance on Wall Thickness | ||
|---|---|---|---|---|
| <40A | ±0.5mm | <=4mm | +0.6mm -0.5% | |
| >50A, <125A | ±1% | |||
| Hot Rolled Seamless Pipes | 150A | ±1.6mm | >4mm | +15% -12.5% |
| >200A | ±0.8% | |||
| More than 350mm,the Tolerance is ±0.5% | ||||
| Cold Drawn Seamless Pipes and Electric Resistant Welded Pipes | <25A | ±0.3mm | <=3mm | ±0.3mm |
| >32A | ±0.8% | >3mm | ±10% | |
| But more than 350mm, the Tolerance is ±0.5% | ||||
Table 4: Tolerance on Outside Diameter and Wall Thickness in JIS G3455, G3456, G3458, G3460
| Application | Tolerance on Outside Diameter | Tolerance on Wall Thickness | ||
|---|---|---|---|---|
| Hot Rolled Seamless Pipes | <=50mm | ±0.5mm | <=4mm | ±0.5mm |
| >50-160mm | ±1% | |||
| >160-200mm | ±1.6mm | >4mm | ±12.5% | |
| >200mm | ±0.8% | |||
| More that 350mm, the Tolerance is ±0.5% | ||||
| Cold Drawn Seamless Pipes and Electric Resistant Welded Pipes | <=40mm | ±0.3mm | <=2mm | ±0.2mm |
| >40mm | ±0.8% | >2mm | ±10% | |
| More than 350 mm the Tolerance is ±0.5% | ||||
Table 5: Tolerance on Outside Diameter in JIS G3461, G3462, G3464
| Outside Diameter | Tolerance on Outside Diameter | ||||
|---|---|---|---|---|---|
| Hot Rolled Seamless Pipes | Seamless Pipes Through Quench and Normalized | Cold Drawn Seamless Pipes throng, the Hot Treatment Except Quench and Normalized | Electric Welded Pipes Except Cold Drawn | Cold Drawn Electric Welded Pipes | |
| mm | |||||
| <=25 | +0.4 -0.8 | ±0.25 | ±0.10 | ±0.15 | ±0.10 |
| >25.40 | ±0.25 | ±0.15 | ±0.20 | ±0.15 | |
| >40-50 | ±0.25 | ±0.20 | ±0.25 | ±0.20 | |
| >50.60 | ±0.25 | ±0.25 | ±0.30 | ±0.25 | |
| >60-80 | ±0.30 | ±0.30 | ±0.40 | ±0.30 | |
| >80.100 | ±0.40 | ±0.40 | -0.60,+0.40 | ±0.40 | |
| >100-120 | +0.4 -1.2 | -0.60,+0.40 | -0.60,+0.40 | -0.80,+0.40 | -0.60,+0.40 |
| >120-160 | -0.80,+0.40 | -0.80,+0.40 | -1.00,+0.40 | -0.80,+0.40 | |
| >160-200 | -1.8,+0.4 | -1.20,+0.40 | -1.20,+0.40 | -1.20,+0.40 | -1.20,+0.40 |
| >200 | -2.4,+0.4 | -1.60,+0.40 | -1.60,+0.40 | -1.60,+0.40 | -1.60,+0.40 |
Table 6: Tolerance on Wall Thickness in JIS G3461, G3462, G3464
| Wall Thickness (mm) | Hot Rolled Seamless Pipe | Cold Drawn Seamless Pipe | Electric Welded Pipe | |||
|---|---|---|---|---|---|---|
| Outside Diameter, mm | Outside Diameter, mm | Outside Diameter, mm | ||||
| <=100 | >100 | <=40 | >40 | <=40 | >40 | |
| (%) | ||||||
| <=2 | -- | -- | -0,+0.4mm | +22 -0 | -0,+0.3mm | +18 0 |
| >2-2.4 | -0,+40 | -- | +20 -,0 | +18 -0 | ||
| >2.4-3.8 | -0,+35 | -0,+35 | ||||
| >3.8-4.6 | -0,+23 | -0,+33 | ||||
| >4.6 | -0,+28 | -0,+28 | ||||
Table 7: Tolerance on the Length in JIS G3461, G3462, G3464
| Item | Tolerance an Length | |
|---|---|---|
| OD<50mm | <7m | -0, +7mm |
| >=7m | Every 3m increase in length, the plus tolerance be increased by 3mm with a maximum of 15mm | |
| OD>=50mm | <7m | -0, +10mm |
| >=7m | Every 3m increase in length, the plus tolerance be increased by 3mm with a maximum of 15mm | |
| OD: Outside Diameter | ||
Table 8: Tolerance on Outside Diameter in JIS G3465
| Application | Tolerance on Outside Diameter (mm) | |
|---|---|---|
| Hot Rolled | <=50 | ±0.5 |
| >50 | ±1% | |
| Cold Drawn | <=40 | ±0.2 |
| >40 | ±0.5% | |