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E355 EN10305-2 Round Thin Wall Steel Tube Hydraulic Parts Using Cold Rolled
Introduction
Our E355 EN10305-2 round thin wall steel tube is precision-crafted for hydraulic systems. Made from cold-rolled steel, this tube features a thin wall thickness, precise dimensions and excellent mechanical properties. The cold rolling process ensures a smooth, even surface finish. Ideal for use in hydraulic cylinders, valves and other components that require high strength, precision and corrosion resistance.
Mechanical Properties at Room Temperature
Delivery Condition
BK
BKW
GBK
NBK (N)
Steel Grade
Rm | A %
Rm | A %
Rm | A %
Rm | ReH | A %
Mpa (Min) | (Min)
Mpa(Min) | (Min)
Mpa(Min) | (Min)
Mpa(Min) | Mpa(Min) | (Min)
E255
580 | 5
520 | 8
390 | 21
440~570 | 255 | 21
E355
640 | 4
580 | 7
450 | 22
490~630 | 355 | 22
E235
480 | 6
420 | 10
315 | 25
340~480 | 235 | 25
E215
430 | 8
380 | 12
280 | 30
290~430 | 215 | 30
Delivery Conditions
NBK(+N): After cold forming, eventually above phase transition point, in a protective atmosphere of annealing oxidation medium
GBK(+A): After cold forming, annealing in non oxidizing medium protective gas
BK(+C): The final heat treatment after cold forming, therefore small steel pipe plasticly, the plasticly degree does not guarantee
Applications
Fuel injection lines/nozzles for diesel or gasoline engine
Compressed natural gas (CNG) tube
Drive transmission: steering column elements
Gear shafts, hand brake, front axles, airbag inflators, stabilizers, seat fasteners, front-wheel drive shafts
Mechanical structure pipe parts in automobile, motorcycles and vehicle
Hydraulic circuits, pneumatic lines and hydraulic suspension
Hydraulic cylinders
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
1958
Total Annual:
>76000000
Employee Number:
700~1000
Ecer Certification：
Verified Supplier
Jiangsu Hongbao Group (Pipe) Co., Ltd. (Zhangjiagang Hongda Pipe Co., Ltd.) is a high-tech company in Jiangsu province. The company has a registered capital of RMB 89 million, covers an area of 130,000 square meters, employs 600 staff, and has annual sales of RMB 400 million. The company is speciali... Jiangsu Hongbao Group (Pipe) Co., Ltd. (Zhangjiagang Hongda Pipe Co., Ltd.) is a high-tech company in Jiangsu province. The company has a registered capital of RMB 89 million, covers an area of 130,000 square meters, employs 600 staff, and has annual sales of RMB 400 million. The company is speciali...
