Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

DIN2391 St52 steel pipe


DIN2391 St52 hydraulic cylinder pipe

1. MATERIAL SPECIFICATION AND REF. DOCUMENT

ST52,BK+S,DIN2391 OR Equivalent

2. CHEMICAL COMPOSITION (%)

C (Max) Mn(Max) Si(Max) S(Max) P(Max)

0.22 1.6 0.5 0.035 0.035

3. MECHANICAL PROPERTIES

Elongation(Min) Y.S (Min.) UTS (Min.)

≥15 470 N/MM2 580 N/MM2

hydraulic steel tubing

ST52  CHEMICAL COMPOSITION (%):

 

C Si Mn P S
≤0.22 ≤0.55 ≤1.60 ≤0.025 ≤0.025
 

MECHANICAL PROPERTIES

Tensile strength Min

Yield Point Min

Elongation % Min

600N/mm2

520N/mm2

14

 

4. SUPPLY CONDITION

Cold drawn seamless steel tube, stress relieved and honed or skived roller burnished

5. SURFACE ROUGHNESS

Ra = 0.4~0.8Micron

6. TOLERANCES ON INNER DIA

ISO H8 H9

7.TOLERANCES ON WALL THICKNESS

≤ Dia120 +/-10 % of wall thickness

≥ Dia120 +/-10 % of wall thickness

8. STRAIGHTNESS

≤1 mm/M

9. OD TOLERANCE

≤ Dia 40 +/-0.2 mm

≥ Dia 40 ≤ Dia 100 +/-0.3mm

≥ Dia 100 +/-0.5mm

10. LENGTH AND CUT TOLERANCE

Length ≤ 500mm , +2mm

> 500mm ≤ 2000mm, +3mm

> 2000mm ≤ 5000mm, +5mm

> 2000mm ≤ 7000mm, +10mm

11. TUBE ENDS

Tube ends shall be cut nominally square to the axis and free from burs

12. APPEARANCE

Tube shall have a smooth internal and external surface consistent with cold working

process, tube inner surface should be free from rust, scratches and other surface

irregularities.

DIN2391 St52 steel pipe

上一篇:ASTM A312 stainless Pipe

下一篇:St52,St37,St35.8,St45.8,Gr.L245NB steel pipe

 Copyright ©2012 New SindaIf you do not find the information you need, Click Here  Get Support

New Update Pipe List

    API 5CT N80 P110 114.3mm pipe for oil field
    API 5CT N80 P110 114.3mm petroleum casing pipe.

    ASTM A53/ASME SA53 Seamless steel pipe
    ASTM A53/ASME SA53(GR.A/GR.B/GR.C) pipe include:, Black steel pipe,Welded steel pipe, Seamless steel pipe Common: ASTM A53/ASME SA53 Can quickly deliver diverse grades of steel pipes, like A53 Grade.A, A53 Grade.B and other people. Short Introduction ASTM.

    OCTG Casing Tubing
    OCTG Casing Tubing,Seamless API 5CT casing pipe / tubing / coupling Standard: API 5CT Size: 1.05''-----4-1/2'' Material: H40, J55, K55, N80, L80, P110 etc. Pipe end: EU, NU Length Range: R1, R2, R3 Application: For transportation.

    HEBEI NEWSINDA SEAMLESS STEEL PIPES
    NEWSINDA SEAMLESS STEEL PIPES Products:Boiler and Heat Exchanger TubesPressure Tubes and Line PipeMechanical TubesAutomotive TubesHollows for redraw.
Contact Us Online To Serve You Better

Hot Click PRO

    steel pipe mechanical properties
    steel pipe mechanical properties Is to ensure that the steel pipe end-use properties (mechanical properties), an important indicator, it depends on the chemical composition and heat treatment of steel pipe system. Steel pipe standards, depen. Longitudinal Welded Pipe
    Longitudinal Welded Pipe,Welded steel pipe is steel plate with the bending deformation of round, square and other shapes and then welded into the surface of the pipe joints. Welded steel pipe used is steel or steel billets. We supply of weld. gas pipelines,Dynamic simulation tools for multiphase oil an
    API5L Oil/gas Pipeline/Spiral Welded Steel Pipe OD: 219.1 mm - 3048mm for conveying water,drainage,coal gas etc. JIS STK steel pipe G3444 G3445
    JIS G3444 STK steel pipe,2.Size:13.7-812mm 3.Material:JIS G3444 STK400/490/500/540/290 .JIS STK steel pipe G3444 G3445.