JIS G 3473 Hydraulic Cylinder Tube , Round Carbon Steel Tube for Cylinder Barrels
Product Details
honed hydraulic cylinder tube
,hydraulic cylinder pipe
JIS G 3473 is the production standard Torich follow to manufacture Hydraulic Cylinder Carbon Steel Tubes for Cylinder Barrels
JIS G 3473 Carbon Steel Tubes for Cylinder Barrels
Standard JIS G 3473
Hydraulic Cylinder Carbon Steel Tubes Application : for Cylinder Barrels
Hydraulic Cylinder Carbon Steel Tubes Size Range:
ID 5-420mm WT0.5-50mm L max 12000mm
| CHEMICAL COMPOSITION % max | ||||||
| Steel grade | C | Si | Mn | P | S | Nb or V |
| STC 370 | 0.25 | 0.35 | 0.30-0.90 | 0.04 | 0.04 | - |
| STC 440 | 0.25 | 0.35 | 0.30-0.90 | 0.04 | 0.04 | - |
| STC 510 A | 0.25 | 0.35 | 0.30-0.90 | 0.04 | 0.04 | - |
| STC 510 B | 0.18 | 0.55 | 1.5 | 0.04 | 0.04 | - |
| STC 540 | 0.25 | 0.55 | 1.6 | 0.04 | 0.04 | 0.15 max |
| STC 590 A | 0.25 | 0.35 | 0.30-0.90 | 0.04 | 0.04 | - |
| STC 590 B | 0.25 | 0.35 | 1.5 | 0.04 | 0.04 | - |
| Remark: STC 550 Nb in combination with V may be added. In this case the maximum value of Nb+V shall be 0.15% | ||||||
| MECHANICAL PROPERTIES min | |||
| Steel grade | Tensile strength Mpa | Yeild point or proof stress Mpa | Elongation % |
| STC 370 | 370 | 251 | 30 |
| STC 440 | 440 | 305 | 10 |
| STC 510 A | 510 | 380 | 10 |
| STC 510 B | 510 | 380 | 15 |
| STC 540 | 540 | 390 | 20 |
| STC 590 A | 590 | 490 | 10 |
| STC 590 B | 590 | 490 | 15 |
| category | Tolerance on Wall thickness |
| Hot-finished seamless steel tube | ±12.5% however the minimum value is 0.5mm |
| Cold-finished seamless steel tube | ±10% however the minimum value is 0.3mm |
| Cole finished electric resistance welded steel tube | ±8% however the minimum value is 0.15mm |
| Processes of manufacture and heat treatment | |||
| Designation of grade | Process of manufacture | Heat treatment | Application |
| STC 370 | Hot finishing seamless | As manufactured | Cutting |
| STC 440 | Cold finishing electric resistance welding | As cold drawn or stress relieving | Honing |
| STC 510 A | Cold finishing seamless | As cold drawn or stress relieving | Cutting and honing |
|
| Cold finishing electric resistance welding | As cold drawn or stress relieving | Honing |
| STC 510 B | Cold finishing seamless | Stress relieving | Cutting and honing |
|
| Cold finishing electric resistance welding | Stress relieving | Honing |
| STC 540 | Hot finishing seamless | As manufactured | Cutting |
| STC 590 A | Cold finishing seamless | As cold drawn or stress relieving | Cutting and honing |
| STC 590 B | Cold finishing seamless | Stress relieving | Cutting and honing |
Hydraulic Cylinder Carbon Steel Tubes in production site:
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