Main Products: Mechanical tubing ,precision tube ,cylinder tube ,hydraulic cylinder tube ,honed tube
25CrMo4 honed cylinder barrel
USD $1 - $1,000 /Ton
Min.Order:1 Ton
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Changzhou Chengxin Metal Products Co., Ltd.
Business Type: Manufacturer,Trading Company
Changzhou Jiangsu ChinaMain Products: Mechanical tubing ,precision tube ,cylinder tube ,hydraulic cylinder tube ,honed tubeProduct Details
1. Commodity: 25CrMo4 honed cylinder barrel
2. Size range: ID of 300mm max, Length of 2800mm max.
3. Grade: ST52, E355,E410,E470,25CrMo4,42CrMo4,C45E,SAE1020,SAE1026,SAE1045,SAE4130,SAE4140,etc.
4. Manufacture method: Cold drawn+honed+machined, Hot rolled+machined+deep hole bored+honed
5. Delivery condition: Annealed for stress relieving,normalized,Quenched+Tempered.
6. ID tolerance: H8
7.Machining as per drawing.
Material chemical composition of cylinder barrel:
| Material | Chemical composition | ||||||
| C (%) | Si (%) | Mn (%) | P (%) | S (%) | Cr (%) | Mo (%) |
SAE1020/AISI1020 | 0.17-0.24 | 0.17-0.37 | 0.4-0.7 | 0.030 max | 0.025 max | - | - |
SAE1026/25Mn | 0.22-0.28 | 0.15-0.35 | 0.6-0.9 | 0.030 max | 0.030 max | - | - |
SA1045/S45C,CK45,C45E | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | 0.030 max | 0.025 max | - | - |
ST52/ST52.3/ST52.4/E355 | 0.22 max | 0.55 max | 1.60 max | 0.025 max | 0.025 max | - | - |
27SiMn (Chinese steel grade) | 0.24-0.32 | 1.1-1.4 | 1.1-1.4 | 0.035 max | 0.035 max | - | - |
SAE4130/34CrMo4 | 0.28-0.33 | 0.15-0.35 | 0.4-0.6 | 0.035 max | 0.035 max | 0.9-1.2 | 0.15-0.30 |
SAE4140/42CrMo4 | 0.38-0.45 | 0.4 max | 0.6-0.9 | 0.035 max | 0.035 max | 0.9-1.2 | 0.15-0.30 |
Mechanical properties of cylinder barrel:
Material | Requirement of mechanical properties | |||||||||
BK | BKW | BKS | Normalized | |||||||
A106 B/SAE1020 | 580 Min | 5 Min | 520 Min | 8 Min | As per requirement | As per requirement | ||||
SA1045/S45C,CK45 | 645 Min | 4 Min | 630 Min | 5 Min | As per requirement | As per requirement | ||||
ST52/ST52.3/E355 | 640 Min | 4 Min | 580 Min | 7 Min | 580 Min | 420 Min | 10 Min | As per requirement | ||
SAE4130/34CrMo4 | - | - | - | - | 720 Min | 580 Min | 10 Min | As per requirement | ||
SAE4140/42CrMo4 | - | - | - | - | 855 Min | 689 Min | 10 Min | As per requirement | ||
Packing: each piece of hydraulic cylinder barrel will be well packed and put into wooden boxes.
Most of the time, drawing is necessary to produce the hydraulic cylinder barrels. If drawing is not available, we can provide drawings according to your detailed technical requirements.
We are ISO9001-2008 certified manufacturer and we provide OEM service for hydraulic cylinder manufacturers from all over the world.
Payment method: 30% deposit,balance before shipment or copy of B/L or L/C at sight.
MOQ: 1 piece for each design.
Trade term: FOB,CFR,CIF,DAP.
Warranty: 1 year after shipment of cylinder barrels.
Customer's inspection or third party inspection is accpetable.
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