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Black Phosphating Tube - China

price: 1000.00 Dollar US$

Black phosphating tube, High Precision Black Phosphated Seamless Steel Tube, DIN2391, EN10305, Black phosphating Seamless Steel Tube, DIN high precision cold drawn NBK seamless steel tube

High precision cold drawn seamless steel tube is used as the tube to be black phosphated, the black phosphated is realized with the imported chemical fluid to form a black protected film, the anti-rust oil is absorbed by the means of the micro pore on the film to prevent from the rust and two caps are sealed at two ends of the tube to prevent from the dust.

Main Feature:
Bright black and the color is evenly distributed on the surface of tube and has good propery of antirust.

High-pressure oil supply system including automobile, motorcycle, hydraulic machinery, and machine tool, etc.

Quality Standard:
DIN2391, EN10305 dial 4 loan

Steel Grades:
St35, St37, St37.4, St35(E235), St45(E255), St52(E355)

Size Range:
Outer Diameter: 4mm-100mm
Wall Thickness: 0.5mm-10 mm.
Max length: 12mtr

Delivery Condition:
NBK(+N), BK(+C), GBK(+A)

Surface treatment:
phosphated, or oiled

Surface Quality:
The internal and external surfaces of the mose be clean without any oxidization, crack, fold, rolling fold, scar and laminar defect. The status of inner and outer surface is the same as that of the process and heat treatment, but the depth of defects (e.g..sctatch mark, bulge and concavity) is mot allowed to exceed 0.025mm (such requirement is stricter than DIN2391 standard).

bundled and wrapped in plastic film and linen, or wooden case, or as per your requirement.

Company Contact:

  • Phone: 00862133780199

  • Address: No. 273, Siping Road, Shanghai, Shanghai, Shanghai, China

  • Email: Email

Published date: November 20, 2016 -

  • Business Description: Sunny Steel provide a wide range of steel products as Steel pipes, Seamless tube and seamless pipes, Alloy pipes, Pipe fittings, Composite steel pipe used in the construction industry.

    We provide a wide range of steel products used in the construction industry:
    Steel pipes
    Seamless tube
    seamless pipes
    Alloy pipes
    Pipe fittings
    Composite steel pipe

    Contact us today to arrange a quote or estimate. Our steel fabrication products are real trusted and most affordable choice.

    Factory and industrial products
    In addition to our steel products for construction, we also offer a variety of steel fabrication products for use in industry. We provide local factories with steel cutting, fabricating, and distributing pipe fittings anc composite pipes.

    Our versatility ensures we will be able to provide you with the steel products you require to to complete a project, from start to finish.

    Contact us today to arrange a quote or estimate
    As a long-established steel fabrication company in China, we can be trusted to deliver what you need, in the time you need it. We understand that in the construction industry time-frame is often important.

    Whilst providing a quality, trusted service, we also place a high premium on quality craftsmanship. Our steel products are long-lasting, and always meet our clients exact specifications.

    Our team
    Our team are highly trained and experienced in servicing and producing all types of steel supplies. Whether you've got a large construction project, or need parts for industrial machinery, our team of steel fabrication consultants will ensure that your project is provided with the parts you need, when you need them.

    Seamless pipes are extensively applied for the nuclear device, gas, petrochemical, ship building and boiler industries. seamless pipes dominates 65% of market share in Chinese boiler industry.

    Call us today to discuss your project's needs and find out what options are available.

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