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  • Black Phosphated Seamless Carbon Steel Tube Hydraulic EN10305-4 / E235 / E355C
  • Black Phosphated Seamless Carbon Steel Tube Hydraulic EN10305-4 / E235 / E355C
Enlarge Black Phosphated Seamless Carbon Steel Tube Hydraulic EN10305-4 / E235 / E355C

Black Phosphated Seamless Carbon Steel Tube Hydraulic EN10305-4 / E235 / E355C 

Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: RRT


 
B

 

Black Phosphated Seamless Carbon Steel Tube Hydraulic EN10305-4 / E235 / E355C

 

 

Specifications:

·Size:OD:4mm-60mm,WT:0.5mm-7mm

·Standard:DIN2391/C,EN10305-4

·Material: ST37.4,ST44.4,ST52.4,E235,E355.

·Delivery State:NBK+Black phosphate.

·Length:5.8m,6m.

·Package:Bundles or wooden cases.

·Surface Anti-rust:Both outside and internal tube surface flushing with anti-rust oil.

·Surface quality:very smooth and bright without oxide scale,pock,strach,crack and other defects.

·Surface Cleaness:clean without iron scrap,dust,better for hydraulic system life.

·Properties:better extending rate and strength property,after bending with no deformation,after flattening 

 and flaring process with no crack.

·Raw material:Bao Steel,Huai Steel,XingCheng Steel with good quality.

Description:

Synopsis of Process Routing: Cold drawn and bright NBK seamless steel tube is used as the tube to be phosphated. The phosphated is realized with the imported chemical fluid to form a black film. The antirust oil is absorbed by means of the micro pore on the film to prevent from the rust. The caps are covered at two ends of tube to prevent from the dust.

Main Features: color of steel tube: bright black. Color is homogeneously distributed on the tube surface. The tube has good property of antirust.

Applications:

Used in hydraulic system,including automotive Hydraulic power steering system, the clutch system, braking system, engine high pressure oil pipe, excavator hydraulic oil pipe,nested card connector (pipe joints) with matching,shippment industry.

Specifications:

Chemical composition(cast analysis)a

Steel grade

% by mass

Steel name

Steel number

C

Si

Mn

P

Sb

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Company Info

RRT Pipe Making Co.,Ltd. [China (Mainland)]


Business Type:Manufacturer
City: Tianjin
Province/State: Tianjin
Country/Region: China (Mainland)

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