DIN2391 ST37.4 ST52.4 hydraulic pressure line cold drawn seamless pipe
DIN2391 ST37.4 ST52.4 hydraulic pressure line cold drawn seamless pipe mainly used in pressure line ,
can bear high pressure ,also can bend in various shape of tubes.
DIN is a Germany standard.
Tolerance
Name |
Scope mm |
DIN seriesmm |
| OD |
04-30 |
±0.08 |
| OD |
31-40 |
±0.15 |
| OD |
41-50 |
±0.20 |
| OD |
51-60 |
±0.25 |
| Wall |
0.5-7 |
±10% |
Surface:
NBK
Galvanization/Galvanized/Zinc Coated
Blue White Zinc (Trivalent Chromium Passivation)
Plating Colour Zinc(Trivalent Chromium Passivation)
Yellow, Army-Green
Phosphated/Black Phosphated
Surface quality
Without oxidization
No crack
No fold
No rolling fold
No scar
No laminar defect
What we can do in our testing center
Physis laboratory
Chemical spectrometer
Pressure blasting machine
Metallographic analysis
Salt Spray Test
Stock size list.
| ODmm |
WT mm |
| 4 |
1 |
| 5 |
1 |
| 6 |
1 |
| 6 |
1.5 |
| 8 |
1 |
| 8 |
1.5 |
| 10 |
1 |
| 10 |
1.5 |
| 10 |
2 |
| 10 |
2.5 |
| 12 |
1 |
| 12 |
1.5 |
| 12 |
2 |
| 12 |
2.5 |
| 12 |
3 |
| 12.7 |
1.63 |
| 14 |
1 |
| 14 |
1.5 |
| 14 |
2 |
| 14 |
2.5 |
| 14 |
3 |
| 15 |
1 |
| 15 |
1.5 |
| 15 |
2 |
| 15 |
2.5 |
| 15 |
3 |
| 15.88 |
1.63 |
| 15.88 |
2.03 |
| 16 |
1 |
| 16 |
1.5 |
| 16 |
2 |
| 16 |
2.5 |
| 16 |
3 |
| More sizes are available, pls email me for details. |
|
Key words
Precision Steel Tubes
Precision Seamless Steel Tubes
Precision Welded Steel Tubes
Precision DOM Steel Tubes
High Precision Seamless Steel Tubes/Pipe
