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Honed Tube,Honed Pipe

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Honed Tube,Honed Pipe

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Honed tube

Standard:DIN2391
ST52 Honed tube
Random length:4-5.7meters

Honed Tube

Honed tube

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

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

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.

13. CERTIFICATION

Material certificates will be send to u if want.

14. PACKINGe

Anti rust oil to be applied on material and both ends closed by plastic cap and

bundled by steel strips,braiding parcel.

15. SCOPE

Hydraulic cylinder tube for swivel crane, injection machine and construction

DIN 2391 hydraulic honed tube
1.Top quality and low price
2.Delivery:15-30days
3.Payment:L/C T/T
4.Original:CN

Honed Pipe

DIN2391 seamless steel honed tube

hydraulic cylinder tube ready to hone tube pneumatic cylinder pipe ready for hydraulic & pneumatic cylinders' use
Product Name: SMALL SIZE HONED tube READY FOR HYDRAULIC & PNEUMATIC CYLINDERS’ USE
SPECIFICATIONS ON MATERIAL, TECHNICAL AND PACKING
MATERIAL SPECIFICATIONS
GRADE	20#, 45#, 27SiMn, 20G, ST52, ST52.3, 16Mn, Q235, Q195, Q345…
CHEMICAL COMPOSITION (%)	C	Mn (Max)		Si (Max)	S (Max)		P (Max)
	0.17-0.34	1.6		1.1	0.035		0.035
MECHANICAL PROPERTIES	Elongation (Min)		Y.S (Min)			UTS (Min)
	12		460 N/MM²			580 N/ MM²
STANDARD	DIN 2391OR EQUIVALENT
DELIVERY CONDITION	Cold drawn seamless steel pipe, stress relived and honed treatment or skived roller burnished hydraulic cylinder tube cylinder steel pipe ready to hone tube pneumatic cylinder tube
TECHNICAL SPECIFICATIONS
DELIVERY CONDITION	Cold drawn seamless steel pipe, stress relived and honed treatment or skived roller burnished
OUTSIDE TREATMENT	Cold Drawn surface with BKW or BKS delivery conditions
INSIDE ROUGHNESS	>= 0.02ra
SIZE	OD	40-255 mm
	TK	4-12.5 mm
	LENGTH	200-12000 mm
STRAIGHTNESS	<= 1:1000
TUBE ENDS	THE TOLERENCE FOR THIS IS WITHIN 3MM. AND THE TUBE WILL BE CUT IN SHARP ENDS AND CHMFERED
PACKING SPECIFICATIONS
SURFACE PROTECTION	Anti rust oil will be applied on material and both ends with plastic caps from dust.
PACKING DETAILS	Firm, cheap and safe package for different length. Bundle of long honed tube. Tin truck for short honed tube. (Reference Picture)

	Paint is available