TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
Add to Cart
ASTM A269 316 304 Cold drawn Seamless stainless steel pipes for fluid transport 12Cr18Ni9
Application:Fluid transport
size:L--10-12m OD--6-219mm WT--2-50mm
steel grade:12Cr18Ni9,06Cr19Ni10 ,022Cr19Ni10,06Cr19Ni10N,06Cr19Ni9NbN,022Cr19Ni10N,06Cr23Ni13,06Cr25Ni20,06Cr17Ni12Mo2,022Cr17Ni12Mo2,07Cr17Ni12Mo2,06Cr17Ni12Mo2Ti
Manufacture method:Hot rolling (squeezing, expanding) or cold drawing (rolling)
Delivery State:Heat treatment and pickling
The Tolerance of Outer Diameter and Wall Thickness Unit:mm
| Hot rolling(extrusion,expansion) steel tube | Cold drawn(rolling)steel tube | ||||||
| Diamension | Tolerance | Diamension | Tolerance | ||||
| Ordinary Grade PA | High Grade PC | Ordinary Grade PA | High Grade PC | ||||
| Nominal Outer Diameter D | 68~159 | ±1.25%D | ±1%D | Nominal Outer Diameter D | 6~10 | ±0.20 | ±0.15 |
| >10~30 | ±0.30 | ±0.20 | |||||
| >30~50 | ±0.40 | ±0.30 | |||||
| >50~219 | ±0.85%D | ±0.75%D | |||||
| >159 | ±1.5%D | >219 | ±0.9%D | ±0.8%D | |||
| Nominal Wall Thickness S | <15 | +15%S -12.5%S | ±12.5%S | Nominal Wall Thickness S | ≤3 | ±12%S | ±10%S |
| ≥15 | +20%S -15%S | >3 | +12.5%S -10%S | ±10%S | |||
The Tolerance of Minimum Wall Thickness Unit:mm
| Manufacturing Method | Diamension | Tolerance | |
| Ordinary Grade PA | High Grade PC | ||
| Hot rolling(extrusion,expansion) steel tube W-H | Smin<15 | +25%Smin 0 | +22.5%Smin 0 |
| Smin≥15 | +32.5%Smin 0 | ||
| Cold drawn(rolling)steel tube W-C | All Wall Tickness | +22%Smin 0 | +20%Smin 0 |
Stainless Steel Grade Comparison
| No. | GB/T 20878-2007 | ASTM A 959-09 | JIS G4303-2005 JIS G 4311-1991 | ISO/TS 15510:2003 ISO 4955:2005 | EN 10088:1-2005 | ΓOCT 5632-1972 | |
| Unified Digital Code | Grade | ||||||
| 1 | S30210 | 12Cr18Ni9 | S30200,302 | SUS302 | X10CrNi18-8 | X10CrNi18-8,1.4310 | 12X18H9 |
| 2 | S30408 | 06Cr19Ni10 | S30400,304 | SUS304 | X5CrNi18-9 | X5CrNi18-10,1.4301 | - |
| 3 | S30403 | 022Cr19Ni10 | S30403,304L | SUS304L | X2CrNi19-11 | X2CrNi19-11,1.4306 | 03X18H11 |
| 4 | S30458 | 06Cr19Ni10N | S30451,304N | SUS304N1 | X5CrNiN18-8 | X5CrNiN19-9,1.4315 | - |
| 5 | S30478 | 06Cr19Ni9NbN | S30452,XM-21 | SUS304N2 | - | - | - |
| 6 | S30453 | 022Cr19Ni10N | S30453,304LN | SUS304LN | X2CrNiN18-9 | X2CrNiN18-10,1.4311 | - |
| 7 | S30908 | 06Cr23Ni13 | S30908,309S | SUS309S | X12CrNi23-13 | X12CrNi23-13,1.4833 | - |
| 8 | S31008 | 06Cr25Ni20 | S31008,310S | SUS310S | X8CrNi25-21 | X8CrNi25-21,1.4845 | 10X23H18 |
| 9 | S31608 | 06Cr17Ni12Mo2 | S31600,316 | SUS316 | X5CrNiMo17-12-2 | X5CrNiMo17-12-2,1.4401 | - |
| 10 | S31603 | 022Cr17Ni12Mo2 | S31603,316L | SUS316L | X2CrNiMo17-12-2 | X2CrNiMo17-12-2,1.4404 | 03X17H14M3 |
| 11 | S31609 | 07Cr17Ni12Mo2 | S31609,316H | - | - | X3CrNiMo17-13-3,1.4436 | - |
| 12 | S31668 | 06Cr17Ni12Mo2Ti | S31635,316Ti | SUS316Ti | X6CrNiMoTi17-12-2 | X6CrNiMoTi17-12-2,1.4571 | 08X17H13M2T |
