China C45e Cold Drawn Honed Precision Tubes Manufacturer Supplier, Find details about China Honed Tubing, Cylinder Tubing from C45e Cold Drawn Honed Precision Tubes Manufacturer Supplier
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 |