With many years experience in manufacturing Rotary Welding Positioner, Hard Chrome Plated Honed Tube, rotary table, we believe that our technical expertise is matched by our production capability, providing our customers with the highest quality products and a first-rate service. Since the establishment of our company, we have realized the importance of providing good quality products and the best before-sales and after-sales services. We implement international brand strategy, focus on improving product quality and grade.
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 | |
Since we have scientific management mode, rigorous working attitude, solid technical strength and advanced manufacturing technology, we can promise that each of our Customized Small Size Honed Tube Precision Seamless Steel Tube Harvester 12 V Electric Hydraulic Cylinder is of the highest quality. We sincerely welcome customers from both at home and abroad to come to negotiate business with us. We always know that improving product quality is an important factor for our company to enhance the core competitiveness.
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