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Cold Drawn Hydraulic Cylinder Tube , Seamless Stainless Steel Tube
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Brand Name:HY
Price:Negotiation
Delivery Time:30days
Payment Terms:L/C, T/T
Supply Ability:30tons a day
Certification:ISO9001:2008
Company Data
Verified Supplier
Contact Person
Patty
Business Type:
Manufacturer
Officials:
Yangshan Industrial Park Huishan District Wuxi Jiangsu China
Quality:
Quality Certifitation Available
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Product Details
Company Profile
Product Details
Cold Drawn Hydraulic Cylinder Tube , Seamless Stainless Steel Tube
hydraulic cylinder tube
Detailed Product Description
Based on the optimized cold drawn process and reliable raw material source, we significantly reduce
the stock margin for the honed tubes and increase dimensional accuracy of inside and outside diameters.
By cold drawing, it improves mechanical properties which can provide a wall thickness reductions of up to
30%, and leading to significant component weight reduction
Chemical Composition
| Steel Grade | 20# | 45# | 25Mn | 27SiMn | Q345B(ST52) | *Q345D(ST52) |
| C | 0.17-0.23 | 0.42-0.50 | 0.22-0.29 | 0.24-0.32 | 0.20 | 0.18 |
| Si | 0.17-0.37 | 0.17-0.37 | 0.17-0.37 | 1.10-1.40 | 0.55 | 0.55 |
| Mn | 0.35-0.65 | 0.50-0.80 | 0.70-1.00 | 1.10-1.40 | 1.00-1.60 | 1.00-1.60 |
| P | 0.035 | 0.025 | 0.03 | 0.035 | 0.04 | 0.03 |
| S | 0.035 | 0.02 | 0.03 | 0.035 | 0.04 | 0.03 |
| Cu | 0.25 | 0.20 | 0.20 | 0.30 | / | / |
| Ni | 0.30 | 0.25 | 0.25 | 0.30 | / | / |
| Cr | 0.25 | 0.25 | 0.25 | 0.30 | / | / |
| V | / | / | / | / | 0.02-0.15 | 0.02-0.15 |
| Nb | / | / | / | / | 0.015-0.06 | 0.015-0.06 |
| Ti | / | / | / | / | 0.02-0.20 | 0.02-0.20 |
| Al | / | / | / | / | / | 0.015 |
Mechanical property
| Supply Condition | Cold finished(Hard) - BK | Cold Drawn & Stress - relieved (BK+S) | Hardness HB | |||
| Steel Grade | Tensile Strength Mpa | Elongation(%) | Tensile Strength Mpa | Yield Strength Mpa | Elongation(%) | |
| 20# | ≧620 | ≧8 | ≧570 | ≧470 | ≧14 | 175 |
| 45# | ≧650 | ≧5 | ≧600 | ≧520 | ≧12 | 207 |
| ST52 | ≧640 | ≧5 | ≧600 | ≧520 | ≧15 | 190 |
| 25Mn | ≧640 | ≧5 | ≧600 | ≧510 | ≧15 | 195 |
| 27SiMn | ≧840 | ≧5 | ≧800 | ≧720 | ≧10 | 230 |
1. Specification
GB/T, DIN2391, EN10305-1
2. Delivery Condition
Stress Relieving Annealed a ( +SR, BKS)
As per the request, + N (NBK) or + C ( BK) is available.
3. Outer Diameter
< 40 mm +/-0.2mm
From 40 to 100 mm +/-0.3mm
>100mm +/-0.5mm
4. Wall Thickness
<100mm OD +/-5%
>100mm +/-7.5%
5. Straightness 0.5/1000mm
6. Inside Honed Dia ISO H8
7. Rourghness Ra 0.2~0.4um
8. Length 5.0-5.8m
9. Fix length tolerance
Length<500 +3mm
500< length <=2000 +5mm
2000<length <5000 +10mm
5000<length<7000 +20mm
10. Stencilling Mark
Mill Logo + Specification + Delivery Condition + Steel Grade + Size
+ Heat Number
11. Tube Ends
Tube ends shall cut square to the tube axis and be free from
excessive burrs.
Both ends protected with Plastic caps.
As the result of stress relieved annealing after the final drawing, residual stresses are reduced,
forming within defined limits is made possible, and dimensional changes during/after machining are
minimized.
Company Profile
Jiangsu New Heyi Machinery Co., Ltd
Jiangsu New Heyi Machinery Co., Ltd is specialized in producing precision long small diameter axes and hydraulic piston rod. The products are widely used in mine machinery industry, textile and printing machinery industry and so on. Hydraulic cylinder piston rods are also supplied as the OEM parts for many large and medium enterprises, such as Heli Forklift Ltd, Hangzhou Forklift Ltd, Sanyi Heavy Industry Ltd. We have enjoyed a good reputation with high quality and good after-sale service in recent years. Also our products are exported to USA, Canada, Southeast Asia, Austria, Australia and Brazil etc.
We have set up the principle of “high quality, good reputation”, carried out a series of rigorous quality
management system, and have already passed the ISO9001:2008 international quality system. Our inspection
apparatus and production equipment are advanced and superior, that ensure the product of high quality.
We have complete piston rod manufactured equipment covering all processes. The critical processes of heat
treatment and chrome plating are finished in our own company, which ensure the quality control of the key
technical requirements.
Our factory is located in Wuxi which is famous for the peaches. The transportation is very convenient, only
30 minutes to Wuxi Airport and railway station. About 1 kilometer from the entrance of the expressway access
to Shanghai. The factory covers an area of about 25000 square meters and has more than 200 employees,
among which more than 20 are technical engineers.
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