DIN2391 EN10305 ST52 C20 E355 H8 Honed Tube For Hydraulic Cylinder
DIN2391 EN10305 ST52 C20 E355 H8 Honed Tube For Hydraulic Cylinder
DIN2391 EN10305 ST52 C20 E355 H8 Honed Tube For Hydraulic Cylinder
DIN2391 EN10305 ST52 C20 E355 H8 Honed Tube For Hydraulic Cylinder
DIN2391 EN10305 ST52 C20 E355 H8 Honed Tube For Hydraulic Cylinder
DIN2391 EN10305 ST52 C20 E355 H8 Honed Tube For Hydraulic Cylinder
DIN2391 EN10305 ST52 C20 E355 H8 Honed Tube For Hydraulic Cylinder

DIN2391 EN10305 ST52 C20 E355 H8 Honed Tube For Hydraulic Cylinder

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Price:$900.00 - $1,000.00

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Product Overview

Description







DIN2391 EN10305 ST52 C20 E355 H8 Honed Tube For Hydraulic Cylinder


Technical Specification


Standard
DIN2391, EN10305, ASTM A519, GB/T 3639-200
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 and


Chemical Composition


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
/
/
/


Mechancial Properties


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


Technique and Tolerance:


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


Process Flow




Our Process Enables The Stupidest Worker To Produce The Pefect Product !


Packaging




Or According To Customer's Requirements.
We Aim To Your Satisfaction !




Company Profile


WE ARE PROFESSIONAL MANUFACTER






We Have An Enegetic, Experienced, Professional Team !
We Aim To Your Satisfaction !




FAQ


Q1: Are you trading company or Manufactuer ?
A: Of course, we are manufactuer. We are in field of honed tube and piston rod for more than 15 years.
Q2: What is the payment term? Do you accept LC ?
A: Normally payment is by T/T, 30% advance payment, balance pay after receiving the copy BL. L/C is accepted. Also we provide Trade Assurance online which will protect the interests of both sides.The payment will be hold by authorized Third Party until you receive the goods under the Trade Assurance Policy.
Q3: What is your delivery time?
A: normally, it is 25~60 days after you confirm the order. If your order is urgent, we would like to try our best to meet your requirements.
Q4: What is the package?
A: The package is seaworthy wooden case by container, or accoding to your requirements.
Q5: Can I add my logo on the goods?
A: Yes, OEM and ODM are available for us.
Q6: Do you have inspection procedures before sending goods?
A: 100% inspection before packing and Third Party Inspection Service is available if customer apply for it.
Q7: Can I visit your factory before the order?
A: Please, we are finding long-term partners, welcome to visit our factory. We will pick you up at the airport.





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