Steel Tubes For Hydraulic Pillar Service
E215 E235 Hydraulic Cylinder Honed Tube
High Precision Hydraulic Cylinder Tube
Black Phosphated Hydraulic Cylinder Pipe
Skived And Roller Burnished Honed Tube
ST52 H8 tolerance honed tube for cylinder
Hydraulic cylinder tube is a key part of hydraulic cylinders, pneumatic cylinders, and pump tubes. Our precision-made hydraulic cylinder tube stock is made with quality materials and cold drawing processes. The use of advanced cold drawing technology increases our production capacity. We can make our hydraulic cylinder tube faster and use more metal than traditional processes. As a result, our hydraulic cylinder tube stock has a greater mechanical strength and is of high quality and cost effective. It is widely used to manufacture hydraulic cylinders, engineering machinery and manufacturing equipment.
Product Name | cylinder tube | |||
Standard | DIN2391, EN10305, ASTM A519, GB/T 3639-200 | |||
Material | Q355B Q355D C20,ST52,E355 SAE1026.CK45 4130 4140 STKM 13C | |||
Heat treatment | BK+S | |||
Specification | Outer diameter(mm) : 40-480mm | |||
I.D Tolerance | H8-H9 | |||
Length | Fixed Length, Random Length(3--9m)or as requests of customers | |||
Straightness | 0.5-1/1000 | |||
ID roughness | RA 0.1-0.8micron(max) | |||
Payment term | FOB, CFR, CIF ,EXW, FCA and so on | |||
MOQ | 3 tons | |||
Technology | Honed & SRB(SKIVED AND ROLLER BURNISHED ) | |||
Application: | hydraulic cylinder, swivel crane, injection machine and so on | |||
Conservation | anti rust oiled inside and outside surface, plastic caps in both ends | |||
Package | bundle with steel strip and knitting strip, or wooden case |
Steel Grade | C | SI | Mn | P | S | Cr | Ni | Cu |
20# | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | 0.250 | 0.250 | |
45# | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 | 0.250 | 0.250 | |
Q345B | ≤0.2 | ≤0.5 | 1.00-1.60 | 0.030 | 0.030 | 0.030 | 0.250 | 0.08 |
Q345D | ≤0.2 | ≤0.5 | 1.00-1.60 | 0.030 | 0.030 | 0.250 | 0.250 | 0.15 |
25Mn | 0.22-0.29 | 0.17-0.37 | 0.70-1.00 | 0.035 | 0.035 | |||
27SiMn | 0.22-0.32 | 1.10-1.40 | 1.10-1.40 | 0.035 | 0.035 | 0.300 | 0.300 | |
E355 | ≤0.2 | ≤0.55 | ≤1.6 | 0.025 | 0.025 | |||
SAE1026 | 0.22-0.28 | 0.15-0.35 | 0.60-0.90 | 0.040 | 0.050 |
Steel Grade | Rm Mpa | ReH Mpa | Elonggation | cold finished Rm Mpa | cold finished Elonggation |
20# | ≥520 | ≥375 | ≥15 | ≥550 | ≥8 |
45# | ≥600 | ≥520 | ≥10 | ≥640 | ≥5 |
16Mn(Q345B /D) | ≥600 | ≥520 | ≥14 | ≥640 | ≥5 |
25Mn | ≥600 | ≥510 | ≥15 | ≥640 | ≥5 |
27SiMn | ≥760 | ≥610 | ≥10 | ≥800 | ≥5 |
St45 | ≥520 | ≥375 | ≥15 | ≥550 | ≥5 |
E355(st52) | ≥600 | ≥520 | ≥14 | ≥640 | ≥5 |
SAE1026 | ≥600 | ≥510 | ≥15 | ≥640 | ≥5 |
Working method | range | ID | H8 | H9 | H10 |
cold drawn | 25-250 | 30-50 | +0.0390 | +0.0620 | +0.1000 |
cold rolling | 25-150 | 50-80 | +0.0460 | +0.0740 | +0.1200 |
cold drawn-honed | 40-250 | 80-120 | +0.0540 | +0.0870 | +0.1400 |
cold drawn-SRB | 50-250 | 120-180 | +0.0630 | +0.1000 | +0.1600 |
cold drawn -polished | 40-250 | 180-250 | +0.0720 | +0.1150 | +0.1850 |
cold drawn-polish-SRB | 50-250 |
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