China En10305 E255 E235 E355 42CrMo4 Hydraulic Honed Tube for Mining Machinery, Find details about China Honed Tube, Cylinder Tube from En10305 E255 E235 E355 42CrMo4 Hydraulic Honed Tube for Mining Machinery
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
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)Cashback: Refund or replacement for any product faulty
8.Quality measurement system
Company Information
1. Introduction to the Company
JIANNING METALS GROUP was established in 2001, With more than 10 years of import and export experience, Jianning Metals has been an influential exporter in the global metal products market. More than 160 customers from 26 countries and regions have established long-term business relationships with us.
Our main business range is listed as follows:
Carbon Seamless Steel Pipe/tube
Hydraulic cylinder tube(Honed tube)
Hard chrome plated rod/bar/shaft(Piston rod)
Auto exhaust system: (exhaust pipe, muffler tips, carbon steel, and stainless steel mufflers, flexible pipe)
We sincerely welcome friends from all over the world to contact us to establish mutually beneficial business relationships
2. Our Company View
3. Our Customers
FAQ
1.Q: How many days of your delivery?
A: The general delivery is 15~35 days according to your quantity.
2.Q: What's your main market?
A: We mainly export to the Middle East and South-Eastern Asia. And this year our products enter into South America.
3.Q: Are you a factory?
A: Yeah, we are.
4.Q: Which countries do you export to?
A: Southeast Asia, southern Asia, Europe, etc.
5.Q: What is the delivery time?
A: If we have stock, we can send goods within 20days. If not, we will deliver goods within 30-45days
6.Q: What is your main payment item?
A: T/T and L/C