The quality of our 10T Welding Positioner, Cylinder Barrel, welding positioners is superior to that of our competitors, but the price of it will never be higher to that of any other brand. In line with the principle of serving customers, mutual benefit and win-win, we promise to win more profit for you with the best service attitude, the most advanced service concept and the most professional service team. The company will be committed to continuous improvement of product production technology and quality. In order to meet the growing market demand, our company has established a sound quality management system, strictly control all aspects of production, and constantly improve product quality. Our company enhances personal abilities and self-identity through employee training and professional skills enhancement.
Seamless Steel Tube For Hydraulic Cylinder Introduction
WUXI HENGTONG PETROLIC MACHINERY manufactures Seamless Steel Tube For Hydraulic Cylinder, ready to hone tubes, honed tubes, skived and roller burnished tubes, chrome bar, piston rods and high-precision cold-drawn steel tubes, We are well-equipped with 300 ton, 150 ton, 65 ton, 20 ton of cold drawing machine,9 meters CNC boring machines, 20 sets honing machines , one set furnace and advanced quality testing equipment, which combine cold drawn, cold-rolled, heat treatment and traditional machining process.
Seamless Steel Tube Technical Parameters and Details
Type: Pipe
Brand Name: Hengtong
Place of Origin: Jiangsu, China (Mainland)
Standard: GB/T8713-88 ISO4394/1-1980(EN10305/DIN2391)
Grade: 20#.A106B.C20.45#(CK45).16Mn(ST52.E355).25Mn.27SiMn
Section Shape: Round
Secondary Or Not: Non-secondary
Application: Hydraulic Pipe
Technique: Cold drawn
Certification: CE SGS ISO
Outer Diameter: 40-400mm
Alloy Or Not: Non-alloy
Brand name: Honed tube
Size and Tolerance:
Working method | Cylinder ID (mm) | Length (m) | Straightness (mm/m) | Tolerance on ID | Tolerance on WT | Roughness (μm) |
Cold drawn | 40-320 | ≤12M | 0.2-0.5 | / | ±5% | 0.8-1.6 |
Cold rolling | 30-100 | ≥12M | 0.2-0.5 | / | ±5% | 0.8-1.2 |
cold drawn- honed | 40-500 | 8M | 0.2-0.3 | H8-H9 | ±5% | 0.2-0.8 |
Cold drawn-skived | 40-400 | 7M | 0.2-0.3 | H8-H9 | ±5% | ≤0.4 |
Deep hole boring- honed | 320-400 | 8M | 0.2-0.3 | H7-H9 | ±8% | ≤0.8 |
Deep hole boring- skived | 320-400 | 7M | 0.2-0.3 | H8-H9 | ±8% | ≤0.4 |

Seamless Steel Tube For Hydraulic Cylinder 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 | |
All of our Customized Honed Tube Precision Seamless Steel Tube Hydraulic Cylinder meets the current national standards and industry standard product performance requirements. We believe that forward-looking companies are more proactive in the future, and foresight is reflected in the judgment and choice at every critical point. You should find our web page to check additional info from our products.
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