Manufacturers and suppliers of high-strength precision cold-drawn cylinders and precision honing tubes

1.Product DescriptionProfessional manufacturer of Honed tube & chrome rod, founded in 2004, one of biggest manufacturer in China. Honing Process is a special form of grinding and a machining method in finishing.This process can not only remove the large machining allowance, but also is an effective machining method

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1.Product Description
Professional manufacturer of Honed tube & chrome rod, founded in 2004, one of biggest manufacturer in China. 
Honing Process is a special form of grinding and a machining method in finishing.
This process can not only remove the large machining allowance, but also is an effective machining method to improve the dimensional precision, geometric shape precision and surface roughness of parts.
Product Description
Product Name
Top Manufacturer Of Hydraulic Cylinder Honed Tube
Material
ST45, ST52, 16Mn, 27SiMn, SAE1026, Q345B, Q345D, Q345E
iD Tolerance(mm)
H8, H9, H10
Standard
DIN2391, EN10305, GB/T8713-88, GB/T3639-2000
Length
1000-10000mm
Straightness
0.3-1.0/1000
Processing
Cold-rolled, Cold-drawn, Hone, Skived and Roller Burnished
Mechanical Property
Tensile Strength, Yield Strength, Elongation
                      Honed Tube for Hydraulic Cylinder
Material:ST52, CK45, 4140, 16Mn, 42CrMo, E355, Q345B, Q345D, Stainless Steel 304/316, Duplex 2205,etc.
Delivery Condition:BK, BK+S, GBK, NBK
ID:20mm - 1500mm
Length:max 13m
Type:Seamless, Hot Rolled, Cold Rolled, Cold Drawn
Straightness:≤ 0.5/1000
Roughness:0.2-0.4 u
Tolerance EXT:DIN2391, EN10305, GB/T 1619
Tolerance INT:H8, H9
Protection:anti-rust oil on inside and outside surface, plastic caps in both ends.
Packing:bundle with steel strip and knitting strip, or wooden case.
1. Product picture High Strength Precision Cold Drawn Cylinder Barrel and Precision Honing Tube Manufacturer Supplier2. Product Show 
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)
40-480mm30-400
I.D Tolerance H8-H9
Length3-9m(Customers usually choose the 4-5.8(m)
Straightness1-1000
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 
 
3.Material & Chemical Composition
20# 45# Q345B 16Mn 25Mn 27SiMn 42SiMn 42CrMO
MaterialCSiMnS()P()CrNiMoOther
20#0.17-0.230.17-0.370.35-0.650.0350.035≤0.25≤0.30ti:0.02-0.20Cu≤0.25
45#0.42-0.500.17-0.370.50-0.800.0350.035≤0.25≤0.30ti:0.02-0.20Cu≤0.25
Q345B≤0.20≤0.551.00-1.600.0400.040V:0.02-0.15Nb:0.015-0.06 Alt≥0.015
16Mn≤0.20≤0.551.00-1.600.0450.045V:0.02-0.15Nb:0.015-0.06 16Mn
25Mn0.22-0.300.17-0.370.70-1.000.0350.035≤0.25≤0.25  
27SiMn0.24-0.321.10-1.401.10-1.400.0300.030    
42SiMn0.39-0.451.10-1.401.10-1.400.0300.030    
42CrMo0.38-0.450.50-0.800.50-0.800.0250.0250.90-1.20 0.15-0.25 
4.Dimension tolerance
Inner Diameter (mm)ID Tolerance(mm)
H8H9H10H11
30+0.021/0+0.038/0+0.084/0+0.130/0
>30-50+0.025/0+0.039/0+0.100/0+0.160/0
>50-80+0.030/0+0.046/0+0.120/0+0.190/0
>80-120+0.035/0+0.054/0+0.140/0+0.220/0
>120-180+0.040/0+0.063/0+0.160/0+0.250/0
>180-250+0.046/0+0.072/0+0.185/0+0.290/0
>250-315+0.052/0+0.081/0+0.210/0+0.320/0
>315-400+0.057/0+0.089/0+0.230/0+0.360/0
5.Delivery Condition
BK BKW BKS GBK NBKQ+T
+C+LC +SR+A+N
Cold rolledCold drawn Stress relieved Annealed Normalized Quenched+ Tempered
6.Processing Method 
High Strength Precision Cold Drawn Cylinder Barrel and Precision Honing Tube Manufacturer Supplier

7. Packing

High Strength Precision Cold Drawn Cylinder Barrel and Precision Honing Tube Manufacturer Supplier
8.Company Show

Factory was established in 2003, operation under modern management system and technologies, ISO9001 certificated, It covers an area of 40, 000 sq. Meters.

All processing control and fully production facilities, also owned cold-drawn machine and heat treatment furnace.

There are 60sets of advanced equipment and 70+ skilled technical workers.

As one of the biggest honed tube, chrome rod manufacturer we engrossed in this field 15+ years, market cover 20+ countries annual output over 20, 000tons.


High Strength Precision Cold Drawn Cylinder Barrel and Precision Honing Tube Manufacturer Supplier
9. Our advantage
>
Rich manufacturing experience:15+years professional manufacturer & supplier of honed tube, Chrome plated rod. 
>Experience in Vietnam, Thailand, Brazil, Egypt, Saudi Arabia, UAE, Russia, Singapore market.
>ISO9001:2008, SGS, BV, CNAS Certificated. 
>Biggest manufacturer & wholesaler in local market. 
>7*24 at your service, on time respond. 
>One-stop collection.

> 
Fast delivery.
>100% inspection for everyone products in each processing.
>One stop collection for Honed tube, Chrome rod.

>
10.FAQ

1.Q :Are you a factory?
   A:  Yes, we are.

 2.Q: How long is your delivery time? 
    A: If we have stock, we can send goods within 20days. If not, we will deliver goods within 30-45  days
3.Q: Do you provide samples? Is it free or extra? 
A: Yes, we The inventory can be provided free of charge, but the freight will need to be borne by you
4.Q: What is your terms of payment? 
A: T/T or L/C according to real order. 
5.Q: What is your terms of payment? 
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance, balance before shippment.

6.Q: What quality of your products also your price is reasonable?     
  A: Our Products have passed through the ISO9001 Certificated and We have specialized in this field of Honed Tubes and Piston Rod for more than 14 years, that is why we can give you the products of good quality and competitive price 
7
.Q: What is your main payment item?

   A: T/T and L/C, L/C,D/P ,O/A,Western Union ,PayPal
8.
Q :Which countries do you export to?                  

   A: Russia, Argentina, South Africa, Indonesia, Vietnam, India and so on.


11.Contact Us 
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