
S355 honing tube and skiving tube for Hydraulic Cylinder, OD: 30-450mm; WT: 2-40mm, Small MOQ available
Honing/skiving tube has closer dimensional tolerances, better surface finish and higher mechanical properties than corresponding grades of hot finished seamless.
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)Cash back: Refund or replacement for any product faulty
Application
High Precision Cold Drawned Seamless Steel Tube is used in automotive industry, and in the occasion where the high accuracy, brightness, cleanness of the tube are required.
Standard | En10305 | |
Material | ST45, ST52, E355, E355SR, STKM13C, SAE1026, 1020, CK45... | |
Heat treatment | BK+S | |
Specification | Outer diameter(mm) | Wall thickness(mm) |
30-450mm | 2-40mm | |
I.D Tolerance | H7-H10 | |
Length | 1-12m (Customers usually choose the 4~5.8m) | |
Straightness | 1/1000mm | |
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 |
Material | C | Si | Mn | S(≤) | P(≤) | Cr | Ni | Mo | other |
1020 | 0.17—0.23 | 0.17—0.37 | 0.35—0.65 | 0.035 | 0.035 | ≤0.25 | ≤0.30 | Cu≤0.25 | |
1045 | 0.42—0.50 | 0.17—0.37 | 0.50—0.80 | 0.035 | 0.035 | ≤0.25 | ≤0.30 | Cu≤0.25 | |
S355 | ≤0.20 | ≤0.55 | 1.00—1.60 | 0.040 | 0.040 | V:0.02-0.15 | Nb:0.015-0.06 | Ti:0.02-0.20 | Alt≥0.015 |
ST52 E355 16Mn | ≤0.20 | ≤0.55 | 1.00—1.60 | 0.045 | 0.045 | V:0.02-0.15 | Nb:0.015-0.06 | Ti:0.02-0.20 | 16Mn |
1026 | 0.22—0.30 | 0.17—0.37 | 0.70—1.00 | 0.035 | 0.035 | ≤0.25 | ≤0.25 | ||
27SiMn | 0.24—0.32 | 1.10—1.40 | 1.10—1.40 | 0.030 | 0.030 | ||||
42SiMn | 0.39—0.45 | 1.10—1.40 | 1.10—1.40 | 0.030 | 0.030 | ||||
42CrMo | 0.38—0.45 | 0.17—0.37 | 0.50—0.80 | 0.025 | 0.025 | 0.90—1.20 | 0.15—0.25 |
Processiong form | I.D | length | straightness | I.D tolerance | I.D rounghness |
Cold rolled | 20-100 | ≤10M | 0.3-1.0 | H7-H9 | 0.4-1.6 |
Cold drawn | 76-245 | ≤12M | 0.3-1.0 | H7-H9 | 0.8-1.6 |
honed | 40-180 | ≤7M | 1000 | H7-H9 | 0.4-0.8 |
SRB | 63-180 | ≤7M | 1000 | H7-H8 | 0.1-0.4 |
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 |
SHANGHAI UNITE STEEL
We, Shanghai Unite Steel are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.
In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china, such as: DAYE Special Steel-a famous steel enterprise with the longest steelmaking history; BAO Steel, and Dongbei Special Steel Group-the biggest special steel manufacturer; TPCO, VALIN-largest seamless steel tube production enterprise; What's more, we have built long, deep and close business relationship with dozens of steel companies, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!