Our sales market has expanded from domestic market to overseas market. The performance of our Ck20 Rolled Tube, Honed Srb Hydraulic Tube, Hydraulic Cylinder Pipes has been gradually in line with the international market. You only need to make a phone call, we can solve all the difficulties for you and the customers don't need to worry about it. We always hold on the company's principle 'honest, professional, effective and innovation', and missions of: let all drivers enjoy their driving at night, let our employees can realize their value of life, and to be stronger and service more people. We take the cost management as the core and the production spot management as the foundation, grasping the market quotation to provide the first-class service, the top-rate product quality to the customer. In the premise of good quality, efficiency will have to be paid attention to and maintain appropriate low and healthy profits.
16Mn Hydraulic Steel Tube Introduction
Honed Tubes are presicion tubes with smooth inside, they also could be skived and burnished pipe. Tubes or pipes inside tolerance could be H10, H9 or H8. Outside tolerance, wall thickness tolerance are produced according to seamless cold drawn tubes for precision application standard GB/T3639-2009 , EN10305 or DIN2391 standard. Material SAE1020, 20#, ST45, CK45, ST52, E355 tubes and so on for you to choose.WUXI HENGTONG PETROLIC MACHINERY has two factories of 40000 square meters and totally 150 employees manufactures 1020 Hydraulic Honed Tube.
16Mn Hydraulic Steel Tubes Specifications
Cylinder ID: 40mm-400mm Thickness:≥4mm
Material:20#(A106B,C20),45#(CK45),16Mn(ST52,E355),25Mn,27SiMn
Standard:GB/T8713-88 ISO4394/1-1980(EN0305,DIN2391)
Product | seamless steel tube | |
Standard | EN10305/DIN2391 | |
ISO4394/1-1980 | ||
GB/T8713-88 | ||
Material | China | 20# 45#(CK45) 16Mn(ST52) 25Mn 27SiMn etc. |
German | St42-2 DIN1626,St45-8 DIN17175,St45-4 DIN1629,CK45,St52 DIN1629 | |
American | ASTM A53-B,ASTM A106-B,ASTM A178-C,ASTM A1045,ASTM A210-C etc. | |
Length | as your requirements | |
Surface treatment | Black painting, black varnish, transparent oil, hot galvanized, 3PE, epoxy coating,BE,PE.etc. | |
Technique | Seamless & welded | |
Usage | 1.hydraulic cylinder /pneumatic cylinder | |
Package | 1. Bundle packing. | |
MOQ | as your needs | |
Mechanical propererty
| | | | |||
| T.S
| | | | | |
20# (C20.A106B) | ≥550 | ≥8 | ≥520 | ≥470 | ≥12 | 175 |
45#(CK45) | ≥650 | ≥5 | ≥600 | ≥520 | ≥12 | 207 |
16Mn | ≥640 | ≥5 | ≥600 | ≥520 | ≥15 | 190 |
25Mn (ST52.E355) | ≥640 | ≥5 | ≥600 | ≥510 | ≥15 | 195 |
27SiMn | ≥840 | ≥5 | ≥800 | ≥720 | ≥10 | 230 |
Tolerance on ID (GB1808-99)
| (Tolerance on OD)um | |||
H7 | H8 | H9 | H10 | |
30 | +210 | +330 | +520 | +840 |
>30-50 | +250 | +390 | +620 | +1000 |
>50-80 | +300 | +460 | +740 | +1200 |
>80-120 | +350 | +540 | +870 | +1400 |
>120-180 | +400 | +630 | +1000 | +1600 |
>180-250 | +460 | +720 | +1150 | +1850 |
>250-315 | +520 | +810 | +1400 | +2100 |
>315-400 | +570 | +890 | +1700 | +2300 |

Our company's Cold Rolled Hydraulic Cylinder Carbon Steel Tube of ASTM 1020 set the strengths of similar products at home and abroad, and at the same time give full play to our own technical advantages. The quality and technology of our products have reached the advanced level of the same industry. Product innovation strategy is our overall plan for the survival and long-term stable development of the company based on the external environment of the company and the company's technical capabilities under market conditions. For many years, we have been adhering to the concept of 'producing high-quality products' and leading the development of the same industry. We focus on quality while emphasizing the importance of serving customers, always taking customer demand as the guide, whether it is conventional products or special customized products, we can do what customers want.
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