Gas Cylinder Tube

En10297-1 34CrMo4 Gas Cylinder Tube

En10297-1 34CrMo4 Gas Cylinder Tube
Product Details


En10297-1 34CrMo4 Gas cylinder Tube 


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Technical Statement

Length tolerance : -0/+100mm for total length

WT tolerance : +0,9mm -0mm

O.D. tolerance : -1 / +1%

Straightness: Deviation 2 mm/m max.

Delivery allowance : +/- 10%

Ends: Square cut

Chemical Composition:

C : 0,30-0,37 %

Mn : 0,60-0,90 %

Si : 0.10- 0,40 %

P : 0,02 % Max.

S : 0,01 % Max.

P+S : 0.02 % Max.

Cr : 0,90 -1,20 %

Mo : 0,15-0,30 %

Ni : 0,30 % Max.

Al : 0,025-0,040 %

Cu : 0,30 % Max.

V+Nb+Ti+B+Zr : 0.15 Max.

Molten Steel: Al killed

Mechanical Values :

Yield Strength : 845 N/mm² Min.

Tensile Strength : 940 N/mm² Min / 1.099 N/mm² Max.

Elongation : 14% Min. (as required by EN ISO 9809-1)

Without hydrostatic test

UT protocol according to ISO 10893-10

Non destructive control: flux leakage acc. To EN 10246-4

Internal transversal defects- level severity F3

External transversal defects- level severity F2

flux leakage acc. To EN 10246-5

Internal longitudinal defects: level severity F3

External longitudinal defects : level severity F2

Sizes control: US-wall thickness measurement acc. To EN 10246-13

Mechanical tests will be done on samples at simulated heat treatment

conditions oil quenching at 880°C /30 minutes and tempering at 650°C /30 minutes.

Mill Test Certificate: EN 10204 3.1

Inspection : Bureau Veritas Acceptable

Packing: In bundles 2.5MT max, pipe ends with protection caps

Protection : No outside/inside coating, protecting material required




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