High accurate St35,St37,St37.4 etc Phosphated steel tubes

Standard: DIN 2391  EN10305-1

Material:St35,St37,St37.4,St45,St52,E235,E255,E355 etc

Delivery condition:Phosphated 

OD:3-76mm

WT:1-4mm

The steel grade of raw material used in our company are mainly St35,St37.4,St45,St 55,CK45 etc produced by

qualified  raw material manufacturer.

The steel tubes produce by our company has excellent mechanical property and performance in process.The

steel tube is able to withstand the high pressure,impact and particularly suitable for application of hydraulic 

machinery and automotive fabrication,The tube can be cold bent at any angle,No crack will occur after flaring

and flattening for the industry,which the bending and forming is required in process.

Surface quality:

The internal and extremal surfaces if tube must be clean without any oxidization,crack ,fold ,rolling fold,scarand

laminar defect.

Packaging:

Packing against corrosion and transportation of tube: The steel tube is painted with antirust oil,in bundles or in

wooden boxes packaging.