Precision Inner Diameter Seamless Steel Tubes used for Pneumatic Cylinders
Size(mm): O. D.: 6-168 W. T.: 1-15 L: Max 12000
Manufacture method: Cold Drawn, Cold Rolled
Delivery condition:
| BK | BKW | BKS | GBK | NBK |
| +C | +LC | +SR | +A | +N |
Internal surface treatment method: Honing
OD tolerance: as per EN10305-1
ID tolerance: H8,H9,H10 or given by customer.
Bore roughness(Ra): 0.4um max.
| Inner Diameter Nominal Dimension (mm) | Tolerance Range (um) | ||
| H8 | H9 | H10 | |
| ＞6-10 | +22/0 | +36/0 | +58/0 |
| ＞10-18 | +27/0 | +43/0 | +70/0 |
| ＞18-30 | +33/0 | +52/0 | +84/0 |
| ＞30-50 | +39/0 | +62/0 | +100/0 |
| ＞50-80 | +46/0 | +74/0 | +120/0 |
Steel grade | ChemicalComposition( % ) | ||||||
Steel name | Steel number | C max | Si max | Mn | P max | S max | Al min |
E215 | 1.0212 | 0.10 | 0.05 | 0.70 | 0.025 | 0.025 | 0.025 |
E235 | 1.0308 | 0.17 | 0.35 | 1.20 | 0.025 | 0.025 | - |
E355 | 1.0580 | 0.22 | 0.55 | 1.60 | 0.025 | 0.025 | - |
Steel grade | Minimum values for thedelivery condition | ||||||||||||
Steel name | Steel number | + C | + LC | +SR | + A | + N | |||||||
RmMpa | A% | RmMpa | A% | Rm Mpa | ReHMpa | A% | ReH Mpa | A% | RmMpa | ReHMpa | A% | ||
E215 | 1.0212 | 430 | 8 | 380 | 12 | 380 | 280 | 16 | 280 | 30 | 290-430 | 215 | 30 |
E235 | 1.0308 | 480 | 6 | 420 | 10 | 420 | 350 | 16 | 315 | 25 | 340-480 | 235 | 25 |
E355 | 1.0580 | 640 | 4 | 580 | 7 | 580 | 450 | 10 | 450 | 22 | 490-630 | 355 | 22 |
Packing:
1. Standard export bundle wrapped with strong steel strip
2. Wooden case
3. Nylon packed
Payment: T/T
Delivery: With 40 days of order confirmation
Your special requirement is highly welcomed and will be fulfilled.
We always provide highest quality seamless pipe/tube and best service.
