Product Details

DIN 2391 H8 H9 honed tube for hydraulic cylinder

Product Description

1. Descriptions of Inside Honing Tube For Telescopic Cylinder

Honed tube for hydraulic cylinder
Standard	DIN2391, EN10305, JIS G3445, ASTM A519, GB/T 8713...
Material	ST45, ST52, E355, E355SR, STKM13C, SAE1026, 20#, Q235B, CK45...
Heat treatment	BK+S
Specification	Outer diameter(mm)	Inner diameter(mm)
	50-300mm	40-250
I.D Tolerance	H8-H9
Length	3-9m (Customers usually choose the 4~5.8m)
Straightness	1/1000
ID roughness	RA 0.4micron(max)
Technology	Honed & SRB(SKIVED AND ROLLER BURNISHED )
Scope	Honed tube for hydraulic cylinder, swivel crane, injection machine and construction machine application

2. Pictures of Inside Honing Tube For Telescopic Cylinder

3.Chemical Component:

Steel Grade	Chemical Composition (%)
	C	Si	Mn	P	S	Cr
	C	Si	Mn	≤
St45	0.17-0.24	0.17-0.37	0.35-0.65	0.035	0.035	0.250
ST52(E355)	≤0.22	≤0.55	≤1.6	0.025	0.025	0.25
SAE1026	0.22-0.28	0.15-0.35	0.60-0.90	0.040	0.050	/
27SiMn	0.24-0.32	1.10-1.40	1.10-1.40	0.035	0.035	0.300
20#	0.17-0.24	0.17-0.37	0.35-0.65	0.035	0.035	0.250

4.Mechanical Properties

Delivery condition	BKS Cold Drawn & Stress-Relieved
Steel Grade	Rm MPa	ReH MPa	Elongation A5(%)
ST45	≥520	≥375	≥15
ST52(E355)	≥600	≥520	≥14
SAE1026	≥600	≥510	≥15
16Mn	≥600	≥520	≥14
20#	≥520	≥375	≥15

5. More Products to Choose

>>Honed tube >>Piston rod

6. Product details

7. Advantage of Product

1)Professional & skilled, reliable.
2)One-stop total solution
3)ready stock goods with fast delivery
4)Customizable: Non-standard sizes are also available
5)Small quantity is acceptable
6)Cash back: Refund or replacement for any product faulty

8.Quality measurement system