Made in China Seamless Honed Tubes

Chinese high-quality honing tube manufacturers, honing tubes of various specifications and materials, oil cylinder tubes. Support processing customization and provide you with all-round customized production. It can be cut for retail and sold as a whole. Customized production according to your different needs.

Products Details

Chinese high-quality honing tube manufacturers, honing tubes of various specifications and materials, oil cylinder tubes. Support processing customization and provide you with all-round customized production. It can be cut for retail and sold as a whole. Customized production according to your different needs.
Steel Grade
C
SI
Mn
P
S
Cr
Ni
Cu
20#
0.17-0.24
0.17-0.37
0.35-0.65
0.035
0.035
0.250
0.250
/
45#
0.42-0.50
0.17-0.37
0.50-0.80
0.035
0.035
0.250
0.300
/
Q345B
≤0.2
≤0.5
1.00-1.60
0.030
0.030
0.300
0.250
0.08
Q345D
≤0.2
≤0.5
1.00-1.60
0.030
0.030
0.250
0.250
0.15
25Mn
0.22-0.29
0.17-0.37
0.70-1.00
0.035
0.035
/
/
/
27SiMn
0.22-0.32
1.10-1.40
1.10-1.40
0.035
0.035
0.300
0.300
/
E355
≤0.2
≤0.55
≤1.6
0.025
0.025
0.250
0.250
/
SAE1026
0.22-0.28
0.15-0.35
0.60-0.90
0.040
0.050
/
/
/
Name
Honed tube
Standard
DIN2391, EN10305, ASTM A519, GB/T 3639-200 etc
Material
Q355B Q355D C20,ST52,E355 SAE1026.CK45 4130 4140 STKM 13C
Heat treatment
BK+S
Specification
Outer diameter(mm)
Inner diameter(mm)
 
40-480mm
30-400mm
I.D Tolerance
H8-H9
Length
Fixed Length, Random Length(3–9m)or as requests of customers
Straightness
0.5-1/1000
ID roughness
RA 0.1-0.8micron(max)
Technology
Honed & SRB(SKIVED AND ROLLER BURNISHED )
Scope
Honed tube for hydraulic cylinder, swivel crane, injection machine
Steel Grade
Rm Mpa
ReH Mpa
Elonggation
cold finished Rm Mpa
cold finished Elonggation
20#
≥520
≥375
≥15
≥550
≥8
45#
≥600
≥520
≥10
≥640
≥5
16Mn(Q345B /D)
≥600
≥520
≥14
≥640
≥5
25Mn
≥600
≥510
≥15
≥640
≥5
27SiMn
≥760
≥610
≥10
≥800
≥5
St45
≥520
≥375
≥15
≥550
≥5
E355(st52)
≥600
≥520
≥14
≥640
≥5
SAE1026
≥600
≥510
≥15
≥640
≥5
Working method
range
ID
H8
H9
H10
cold drawn
25-250
30-50
+0.0390
+0.0620
+0.1000
cold rolling
25-150
50-80
+0.0460
+0.0740
+0.1200
cold drawn-honed
40-250
80-120
+0.0540
+0.0870
+0.1400
cold drawn-SRB
50-250
120-180
+0.0630
+0.1000
+0.1600
cold drawn -polished
40-250
180-250
+0.0720
+0.1150
+0.1850
cold drawn-polish-SRB
50-250
as required
as required
as required
as required

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