Injection pipes: |
DIN 2391, ČSN EN 10304–4, ČSN 42 6718 |
Outer diameter: |
from 6 to 13 mm |
Wall thickness: |
from 2 to 4 mm |
Material.
Steel grades by DIN: |
Ck22 |
GOST: |
20 |
Surface finish.
Heat treatment.
Injection pipes are supplied in normalized condition (BK condition according to DIN standard).
Lengths and tolerances.
Approximate length: |
from 4.5 to 6.5 m with a tolerance limit of ±5 mm |
Extra precise length: |
from 0.3 to 2 m with a tolerance limit of ±1 mm |
Permissible dimension tolerances are specified in the size table. All tolerance limits meet industry standards.
Packing and designation.
Injection pipes are supplied in wooden cases and packed in foil. The weight of pipes is 500 kg at maximum. Each case is fitted with the producer's label with the data as follows:
- size
- steel grade
- heat number
- order number
- final inspection
- customer
- weight in kg, following an agreement length in m and number of pieces
Permissible tolerance d mm | D mm | Permissible tolerance D mm | t mm | d mm | Weight kg/m |
6 |
±0.10 |
2.0 |
2.0 |
+ |
+ |
0.196 |
6 |
±0.10 |
2.1 |
1.8 |
+ |
– |
0.202 |
6 |
±0.10 |
2.25 |
1.5 |
+ |
– |
0.208 |
7 |
±0.10 |
2.5 |
2.0 |
+ |
+ |
0.277 |
8 |
±0.10 |
2.0 |
4.0 |
+ |
+ |
0.296 |
8 |
±0.10 |
2.5 |
3.0 |
+ |
+ |
0.339 |
10 |
±0.10 |
3.0 |
4.0 |
+ |
+ |
0.518 |
10 |
±0.10 |
3.5 |
3.0 |
+ |
+ |
0.561 |
13 |
±0.10 |
4.0 |
5.0 |
+ |
+ |
0.888 |
made ±0.10
made ±0.05
|