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Seamless Honing Tube Introduction
WUXI HENGTONG PETROLIC MACHINERY manufactures pre honed tubes, 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 Honing Tube Details
Standard: DIN
Standard2: DIN 2391
Thickness: 5 - 30 mm
Section Shape: Round
Outer Diameter(Round): 40 - 400 mm
Place of Origin: Jiangsu, China (Mainland)
Application: Hydraulic Pipe
Name: st52 cold drawn seamless honed tube for hydraulic cylinder
Brand: Hengtong
Type: seamless
Material:A106B,CK45,ST52/E355,25Mn,27SiMn
Process: cold drawn ,honing,chroming
Length: ≤12m
ID tolerance: H8
Roughness: 0.2-0.4um
Condition: BKS/SR
St52 cold drawn seamless honed tube for hydraulic cylinder Product Description
*OD:40-400mm
*Thickness: ≥4mm
*Roughness: 0.2
*H8 tolerance
*BKS/SR condition
Chemical compisition
Material | C | Si | Mn | S(≤) | P(≤) | Cr | Ni | Mo | other |
C20# | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | ≤0.25 | ≤0.30 |
| Cu≤0.25 |
CK5# | 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 | 0.04 | 0.04 | V:0.02-0.15 | Nb:0.015-0.06 | Ti:0.02-0.20 | Alt≥0.015 |
ST52 | ≤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 |
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27SiMn | 0.24-0.32 | 1.10-1.40 | 1.10-1.40 | 0.03 | 0.03 |
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42SiMn | 0.39-0.45 | 1.10-1.40 | 1.10-1.40 | 0.03 | 0.03 |
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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 |
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Hydraulic&pneumatic liner actuator standard/size/precise
Working method | Cylinder ID (mm) | Length | Straightness | Tolerance on ID | Tolerance on WT | Roughness |
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 | 9M | 0.2-0.3 | H8-H9 | ±5% | ≤0.4 |
Hole boring-honed | 320-400 | 8M | 0.2-0.3 | H7-H9 | ±8% | ≤0.8 |
Hole boring-skived | 320-400 | 9M | 0.2-0.3 | H8-H9 | ±8% | ≤0.4 |
Our En 10305-1 E355 +Sr Cold Drawn Seamless Carbon Steel Tube Suitable for Honing is highly reliable due to our advanced fully automated production and inspection equipment. Passion is the source of our forward attitude and strength. We have always payed attention to the needs and expectations of the market, keeping pace with the times.
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