Sales Hotline:
+8618365715813
Sales Hotline:
+8618365715813
EN10305 E355 Cold Drawn Seamless Skived Roller Burnished/SRB Tube for Hydraulic Cylinder
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)
40-400mm
30-320
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
≤
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. Product details
6.Advantage of Product
