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Standard:

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DIN2391-1: Seamless Precision Steel Tube.

EN 10305-1: Steel tubes for precision applications.

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Outer Dimensions: 4.0mm – 60.0mm

Wall Thickness: 0.5mm – 8 mm

Length: max 6000mm

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motor-car construction

pneumatic

hydraulic operating mechanisms

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DIN2391-1 ST35

DIN2391-1 ST45

DIN2391-1 ST52

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GBK, BKS, BK, BKW, NBK

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Chemical Composition, Mechanical Properties

Visual and Dimension Test

NDT

Grain Size Test

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Oil-dip, Varnish, Shot Blasting

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Inner packing:Caps on two ends of every pipe

Packing: Bare/bundles/crates/crate protection at the both sides of tubes or as per customers’ requirements .

Surface treatment:Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.

Marking: as per customer’s requirement

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N/mm
min min Rm
N/mm
min min N/
mm
min ReH
N/mm
min min N/
mm
min min N/mm
min ReH
N/mm
min min DIN2391 ST35 480 6 420 10 420 315 14 315 25 340-470 235 25 DIN2391 ST45 580 5 520 8 520 375 12 390 21 440-570 235 21 DIN2391 ST52 640 4 580 7 580 420 10 490 22 490-630 355 22