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 |
