Our 16Mn Chrome Plated Honed Tube, Large Diameter Honing Tube, Welding Rotators Positioners combines the mature technology on the market and our own rich manufacturing experience. In response to the challenges of global climate change, our company helps customers and other industries to reduce energy consumption and waste emissions through green production programs, and create social, economic and environmental benefits. We continue to innovate and perfect the business management system to improve efficiency and provide professional, reliable and high-quality products to serve customers around the world. Our products have a good reputation and market share in the industry.
Hydraulic Chrome Rod Introduction
WUXI HENGTONG PETROLIC MACHINERY manufactures pre honed tubes, ready to hone tubes, honed tubes, skived and roller burnished tubes, chrome bar, Hydraulic Chrome 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.
Hydraulic Chrome Rod Details
Type: Pipe
Model Number: ID50-400mm
Brand Name: Hengtong
Place of Origin: Jiangsu, China (Mainland)
Process: Cold drawn
Tolerance: H8 for tubes and f7 for rods/bar
Condition: BKS/SR
Material: ST52/E355,CK45,SAE1020, SAE1045
Hard chrome plated bar piston rod and pipe for hydraulic cylinder For pipes / tubes:
1. Material we have :
DIN2391 standard ST52, St45, EN10305 standard E355,E255, ASTM A106B grade, 16Mn, C20/20#, CK45
2. Chemical composition:
Material | C | Si | Mn | S(≤) | P(≤) | Cr | Ni | Mo | other |
A106B/ C20# | 0.17—0.23 | 0.17—0.37 | 0.35—0.65 | 0.035 | 0.035 | ≤0.25 | ≤0.30 | Cu≤0.25 | |
CK45# | 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 | 0.040 | 0.040 | V:0.02-0.15 | Nb:0.015-0.06 | Ti:0.02-0.20 | Alt≥0.015 |
ST52 E355 16Mn | ≤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 | ||
27SiMn | 0.24—0.32 | 1.10—1.40 | 1.10—1.40 | 0.030 | 0.030 | ||||
42SiMn | 0.39—0.45 | 1.10—1.40 | 1.10—1.40 | 0.030 | 0.030 | ||||
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 |
3. Tube Accuracy :
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% | 0.2-0.4 |
Cold drawn-skived | 40-400 | 9M | 0.2-0.3 | H8-H9 | ±5% | ≤0.2 |
Hole boring-honed | 320-400 | 8M | 0.2-0.3 | H7-H9 | ±8% | ≤0.4 |
Hole boring-skived | 320-400 | 9M | 0.2-0.3 | H8-H9 | ±8% | ≤0.2 |
After-sales service:
1. Where to buy our products for one year warranty and life long maintenance.
2. 24-hour telephone service.
3. A large stock of components and parts, easily-worn parts.

Our company adheres to the development direction of 'industrialization' and strives to become a well-known Forging Servies Forged Stainless Steel Sand Casting Parts Hard Chrome Hydraulic Cylinder Piston Rod with Heat Treatment supplier at home and abroad. We are always waiting for your visit and guidance! We'd like to share our ideas with you and welcome your comments and questions. We have good establishment brand image, and we sincerely do business with foreign customers.
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