China Hydraulic Telescopic Air Cylinder Honing Tube Pre Honed Tube Tubing Manufacturers, Find details about China Hydraulic Honed Tubes Manufacturer, Pre Honed Tubing from Hydraulic Telescopic Air Cylinder Honing Tube Pre Honed Tube Tubing Manufacturers
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) |
40-480mm | 30-400 | |
I.D Tolerance | H8-H9 | |
Length | 3-9m(Customers usually choose the 4-5.8(m) | |
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 |
Material | C | Si | Mn | S(≤) | P(≤) | Cr | Ni | Mo | Other |
20# | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | ≤0.25 | ≤0.30 | ti:0.02-0.20 | Cu≤0.25 |
45# | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 | ≤0.25 | ≤0.30 | ti:0.02-0.20 | Cu≤0.25 |
Q345B | ≤0.20 | ≤0.55 | 1.00-1.60 | 0.040 | 0.040 | V:0.02-0.15 | Nb:0.015-0.06 | Alt≥0.015 | |
16Mn | ≤0.20 | ≤0.55 | 1.00-1.60 | 0.045 | 0.045 | V:0.02-0.15 | Nb:0.015-0.06 | 16Mn | |
25Mn | 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 | 0.50-0.80 | 0.50-0.80 | 0.025 | 0.025 | 0.90-1.20 | 0.15-0.25 |
Inner Diameter (mm) | ID Tolerance(mm) | |||
H8 | H9 | H10 | H11 | |
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 |
BK | BKW | BKS | GBK | NBK | Q+T |
+C | +LC | +SR | +A | +N | |
Cold rolled | Cold drawn | Stress relieved | Annealed | Normalized | Quenched+ Tempered |