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 (c)2012 LongtaidiIf you do not find the information you need, Click Here  Get Support

New Update Pipe List

    ERW tube,Spiral welded pipe, galvanized pipe, seamless pipe
    ERW tube,Spiral welded pipe, galvanized pipe, seamless pipe,To spec API 5L, API 5CT, ASTM A53, ASTM A252, EN10217, EN10219, BS1387 etc.

    Prime carbon steel pipe
    Prime carbon steel pipe 3.Grade/Material: API 5L , ASTM A106 B ,ASTM A53 B, 4.Outside Diameter(OD): 1/2--24'' IN. 5.Wall Thickness(WT): SCH5--SCHXXS..

    seamless steel pipe Price Schedule,Spiral Pipe Price
    seamless steel pipe Price Schedule,Spiral Pipe Price,1 seamless steel pipe 3 hot rolled,cold drawn process 4 grade:A53/A106/API 5L Gr.B.

    pipeline standard parameters
    The parameters of the standard implementation of the line pipe,Application status of oil and gas transmission pipeline steel standard pipe technical standards from the development side and the scope of the division can be divided into intern.
Contact Us Online To Serve You Better

Hot Click PRO