Basic Info.
Model NO.
Hydraulic Cylinder Barrel
Application
Hydraulic Pipe, Used for Hydraulic Cylinder
Product Name
Hydraulic Steel Tube
Grade
10#-45#, 10cr9mo1vnb, API J55-API P110, Crni Alloy
Cylinder Tube Material
Q195-Q345
Outer Diameter
40 - 350 mm
Ends
Plain Ends, Cutting, Threading, Beveled, Flange
Processing
Cold-Drawn, Finish Rolling, Hone-Milled, Roller Bumis
Surface Treatment
Hard Chrome Plated or as Required, with Oiled, 3 PE
Temperature Classification
High Temperature Piping
MPa Classfication
High Pressure Piping
Standard
ASTM, GB, API, DIN, JIS
Medium
Fluids With Solid Particle
Cross-Section Shape
Round
Trademark
BMT-Hydraulic Steel Tube
Transport Package
Carton, Wooden Box, Steel Tower
Specification
Hydraulic Steel Tube
Product Description
Hydraulic Steel Tube The hydraulic cylinder tube is the main part of the hydraulic cylinder.The inner hole of the hydraulic cylinder tube usually precision processed by boring,reaming,rolling or honing. By these process can ensure the piston,sealing elements and the support elements move smoothly,then ensure the sealing effect and reduce the abrasion.The hydraulic cylinder tube will bear big pressure,so need high strength and stiffness. Honed tubes can be produced according to the demands of costumers that the degree of precision can reach H8/H9. Burnishing and honing service can be provided depending on the roughness requirement of inner diameter.
Hydraulic Cylinder Honed Tube
Outer diameter: 25mm -500mm
Wall thickness: 2-50mm
Grade: 1020, C45, ST52, ST52.3, 27SiMn, 25Mn
Technology: Cold Drawn, Cold roll, Honed, Skived, Burnished
Hydraulic Tube Material & Chemical Composition:
DIN2391 standard ST52, EN10305 standard E355, 16Mn, ASTM A106B, C20/20#, CK45
Standard: GB/T8713-88, GB/T3639-2009, DIN2391, EN10305 ASTM A519, DIN2391, EN10204-1
Application: construction machinery, metallurgical machinery, plastic machinery, mining machinery, road construction machinery, hydraulic and pneumatic cylindersTechnical Specification For Hydraulic Pipe | Carbon Precision Steel Pipe | Specification | O.D.:4-114mm × W.T.:0.5-25mm × L: 12m (specific or random) |
| Steel Grade | 10#,20#,45#,16Mn, ST30Al,ST35, ST37,ST37.4,ST45,ST52,ST52.4,E155,E195,E235,E255,E355,etc |
| Standards | DIN2391,EN10305,JIS G3445,ASTM A106,ASTM A179,ASTM A519,etc. |
| Delivery Condition | NBK(+N), GBK(+A), BK(+C) ,BKW(+LC) ,BKS(+SR) |
| Application | Automotive pipeline system;
Hydraulic system of diesel engine and engineering machinery;
Hydraulic system of locomotive, aerospace and aviation,shipbuilding and various machinery;
Metal processing of wind power equipment; |
| Surface treatment | Bare Tube (No coating)-Bright and smooth; Surface coating;Black and Phosphated etc. |
| Processing Form | I. D | Length | Straightness | I. D Tolerance | I. D Roughness |
| Cold-rolled | 30-100 | ≤ 12M | 0.3-1.0 | H8-H10 | 0.4-1.6 |
| Cold-drawn | 30-250 | ≤ 12M | 0.3-1.0 | | 0.8-1.6 |
| Hone | 40-500 | ≤ 12M | 1000 | H8-H9 | 0.4-0.8 |
| SRB | 40-400 | ≤ 7M | 1000 | H8-H9 | 0.1-0.4 |
| Manufacturing Process | Tube ID | Length | Straightness | Dimensional Accuracy | Tolerance on ID | Inner Bore Roughness |
| honing | Φ40-800mm | ≤13m | 0.2-0.3mm | H8~H9 | ±8% | <=0.8 um |
| grade | C | Si | Mn | P | S | Cr | Ni | Cu | V | Al |
| 1020 | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | <=0.035 | <=0.035 | <=0.25 | <=0.30 | <=0.25 | - | - |
| C45 | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | <=0.035 | <=0.035 | <=0.25 | <=0.30 | <=0.25 | - | - |
| 16Mn | 0.13-0.19 | 0.20-0.60 | 1.20-1.60 | <=0.030 | <=0.030 | <=0.030 | <=0.30 | <=0.25 | - | - |
| 27SiMn | 0.24-0.32 | 1.10-1.40 | 1.10-1.40 | <=0.035 | <=0.035 | <=0.30 | <=0.30 | <=0.20 | - | - |
| ST52 | <=0.20 | <=0.50 | <=1.70 | <=0.035 | <=0.035 | <=0.30 | <=0.50 | <=0.30 | <=0.15 | - |
| ST52.3 | <=0.18 | <=0.50 | <=1.70 | <=0.030 | <=0.25 | <=0.30 | <=0.50 | <=0.30 | <=0.15 | ≥0.015 |
Mechanical Property| Grade | Cold finished (hard) (BK) | Cold finished (hard) (BK+S) | Hardness | Impact Value (-20°C) J |
| T.S bN/mm2 | Elongation 85% | T.S bN/mm2 | Y.S SN/mm2 | Elongation 85% |
| 1020 | ≥550 | ≥8 | ≥520 | ≥400 | ≥15 | 170 | -- |
| C45 | ≥680 | ≥5 | ≥630 | ≥520 | ≥12 | 190 | -- |
| 16Mn | ≥640 | ≥5 | ≥600 | ≥520 | ≥14 | 160 | -- |
| 27SiMn | ≥780 | ≥5 | ≥700 | ≥580 | ≥10 | 220 | -- |
| ST52 | ≥660 | ≥8 | ≥620 | ≥520 | ≥15 | 190 | -- |
| ST52.3 | ≥660 | ≥8 | ≥620 | ≥520 | ≥15 | 190 | ≥27 |
ID size | ID Tolerance |
WT Tolerance |
| H7 | H8 | H9 | H10 | H11 |
| 30 | +0.0210 | +0.0330 | +0.0520 | +0.0840 | +0.1300 |
±5%
|
| >30-50 | +0.0250 | +0.0390 | +0.0620 | +0.1000 | +0.1600 |
| >50-80 | +0.0300 | +0.0460 | +0.0740 | +0.1200 | +0.1900 |
| >80-120 | +0.0350 | +0.0540 | +0.0870 | +0.1400 | +0.2200 |
| >120-180 | +0.0400 | +0.0630 | +0.1000 | +0.1600 | +0.2500 |
| >180-250 | +0.0460 | +0.072 | +0.1150 | +0.1850 | +0.2900 |
| >250-315 | +0.0520 | +0.0810 | +0.1300 | +0.2100 | +0.3200 |
| >315-800 | +0.0570 | +0.0890 | +0.1400 | +0.2300 | +0.3600 |
| OD | Tolerance | OD | Tolerance |
| ≤Φ40 | ±0.15 | Φ160~200 | ±0.80 |
| Φ40~60 | ±0.25 | Φ200~240 | ±1.00 |
| Φ60~80 | ±0.30 | Φ240~340 | ±1.50 |
| Φ80~100 | ±0.40 | Φ340~440 | ±2.00 |
| Φ100~160 | ±0.50 | Φ440~520 | ±2.50 |
| Material | C | Si | Mn | S(≤) | P(≤) | Cr | Ni | Mo | other |
| A106B / C20# | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | ≤0.25 | ≤0.30 | | Cu≤0.25 |
| CK45# | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 | ≤0.25 | ≤0.30 | | 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 | 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 |
| 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 | | | | |
| 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 | |
According to the cylinder pressure and inside diameter size ,different hydraulic steel tube Would be chosen .
1. ID ≤300mm , cold rolled precision seamless tube would be chosen;
2. 300mm≤ID ≤500mm , hot rolled seamless tube would be chosen;
3. 500mm≤ID ≤1000mm, forged tube would be chosen.
4. Cylinder tube steel grade : SAE1020 , SAE1045 ,27SiMn , S355JR ,S355J2G3
St52-3 ,SUS304 ,SUS316L etc .
5. Hydraulic Cylinder tube inside boring and honing , roughness R0.2-R0.3,
6. Hydraulic Cylinder tube inside chromating : if necessary ,tube inside chromating could be applied
Our CompanyBetten Hydraulic-Built Cylinders to Fit Your Needs
As an experienced Hydraulic Cylinder Manufacturer, Betten Machinery is built to develop the overseas business of Boli Hydraulic & Pneumatic Technology Co., Ltd which is known as a professional manufacturer of Oil Cylinder,Pneumatic Cylinder, Hydraulic System and Related Spare Partsin East China.
Our factory cover an area of over 5000 square meters and have around 100 stuff including a technical team with more than 20 engineers. Our workshop equipped with over 30 sets of manufacturing and testing machines including machining center, numerical control machine, argon welding machine, plasma cutter etc. Betten has gained the certification of ISO 9001:2008 and certification of Product Quality Supervision and Inspection Center of Wuxi City. Meanwhile, Betten also got customers' satisfaction for reasonable price, timely delivery and good after-sale service.
With the fast development in the past 20 years, we have gained much experience and technology in making various types of Tractor hydraulic cylinder with our expert team. Our products are widely used in equipment such as machine tool, metallurgical equipment, forging machine, kiln equipment, brick machine, plastic machine, car manufacturing machine, construction equipment for road and bridge, wielding machine, port facilities, test machine, fully auto line and we have gained a lot of world famous customer like LIUGONG Machinery, Chalco,BOSCH, Haier, SAINT-GOBAIN, Shanghai Boiler, HTC etc.
Address:
No. 8 Hongxiang Road, Binhu District, Wuxi, Jiangsu, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Industrial Equipment & Components, Light Industry & Daily Use, Manufacturing & Processing Machinery
Management System Certification:
ISO 9001
Company Introduction:
Wuxi Boli Hydraulic is known as a 20 years‘ Professional manufacturer of hydraulic cylinders, hydraulic jack, cardan shaft and spare parts in Wuxi, China around 170km from Shanghai Port. Our factory cover an area of over 5000 square meters and have around 100 stuff including a technical team with more than 20 engineers. Our workshop equipped with over 30 sets of manufacturing and testing machines including machining center, numerical control machine, argon welding machine, plasma cutter etc. Boli has gained the certification of ISO ISO9001: 2008 and Product quality supervision and inspection center of Wuxi City. Meanwhile, Boli also got customers′ satisfaction for reasonable price, timely delivery and good after-sale service.
With the fast development in the past 10 years, we have gained much experience and technology in making various types of hydraulic system and cylinders with our expert team. Our products are widely used in equipment such as machine tool, metallurgical equipment, forging machine, kiln equipment, brick machine, plastic machine, car manufacturing machine, construction equipment for road and bridge, wielding machine, port facilities, test machine, fully auto line and we have gained a lot of world famous customer like XCMG, LIUGONG Machinery, Chalco, BOSCH, Haier, SAINT-GOBAIN, Shanghai Boiler, HTC etc.
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