Material of hydraulic steel tube can be carbon steel as per EN 10305-4 E235 E355 +N or DIN2391 ST37.4 ST52. The hydraulic steel tubing can meet requests for working and burst pressure. We supply tubes with high precision. Lower tolerance of OD, ID, and WT. Good mechanical performance with free processing. We use non-oxygen bright anneal to keep the inner and outer surfaces shining and smooth. Cr 6 free galvanizing and black phosphated coating can be processed as per customer request. Tubes can be widely used by the automotive industry and hydraulic systems.
| Hydraulic Steel Tube | |||||
| Standard | Material | Delivery | Surface | Size | |
| DIN | 2391/ 1630/ 2445 |
ST37.4 | NBK | 1. Bright Annealed | OD2-60mm/0.079-2.36inch WT0.3-10mm/0.012-0.394inch |
| ST52.4 | 2. Galvanized | ||||
| EN | 10305-4 | E235 | (+)N | 3.Black Phosphated | |
| E355 | |||||
| A822-A450 | A822 | ||||
| SAE | J524 | 1008-1010 | |||
| 3602 | CFS360 | Layer thickness≥8μm | |||
Zhangjiagang Chewit International Co.,ltd, is the professional supplier in china for high precision seamless steel pipe of carbon, alloy.
+86 18962244644
SHUANGSHAN ROAD, JINGANG TOWN, ZHANGJIAGANG CITY, JIANGSU PROVINCE, CHINA
sale@chewit.cn
