350mm T4 T5 DIN 1630 Seamless Steel Tubes for Fluid Pipe , ST 35 ST 45 ST 52 Precision Steel Tube

350mm T4 T5 DIN 1630 Seamless Steel Tubes for Fluid Pipe , ST 35 ST 45 ST 52 Precision Steel Tube

Quick Detail:

Standard: DIN 1630

Grade: St35 , St45, St52
Size:(mm)
Out Dimensions: 6 mm ~ 350 mm  
Wall Thickness: 0.8 mm ~30mm
Length: Fixed(6m,9m,12,24m) or normal length(5-12m)

Description:

Standard: DIN 1630

OD: 6 mm ~ 350 mm
WT: 0.8 mm ~30mm

Material: ST37.4, ST44.4, ST52.4

Packing:

Beveled/black painting/ plastic caps/ in bundles/ steel strips/ wooden protection

Inspection and Test:

Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength,Elongation, Flaring, Flattening, Bending, Hardness, Impact Test),Surface and Dimension Test,Nodestructive Test, Hydrostatic Test.

Surface treatment:

Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting

Mark: 

As requested.

Delivery Condition:

Annealed, Normalized, Normalized and Tempered

.

 Chemical composition:

Chemical composition(cast analysis)a
Steel grade		% by mass
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