Main Products: hydraulic tube ,precision tube ,honed tube ,mechanical tube ,cold finished tube
SRB& Honed tube For hydraulic cylinder using in Excavator
USD $1,000 - $1,500 /Metric Ton
Min.Order:10 Metric Tons
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Yantai Xinpeng Steel Pipe Co., Ltd.
Business Type: Manufacturer,Trading Company
Yantai Shandong ChinaMain Products: hydraulic tube ,precision tube ,honed tube ,mechanical tube ,cold finished tubeProduct Details
Commodity name: SRB& Honed tube For hydraulic cylinder using in Excavator
1.Grade: 20#(ck20,aisi1020),45#(ck45,aisi1045),st52(Q345D,16Mn),25Mn,27SiMn
2.ID:30-250mm
3.ID tolerance:H8,H9
4.Surface roughness:Ra 0.02— 0.4μm
5. Final supply condition:cold drawn /cold rolled and stress-relieved(BK+S)
6. Machining allowance:0.5-1.5mm
7.Wall thickness:10%×ID
Variety
Processing | Cylinder Diameter | Straightness | Size Accuracy | W.T/mm | Inner Bore Roughess |
Cold drawn/ Cold rolled | ID30-250 | 0.3 | H9-H11 | ±10% | 0.4~1.6um |
Honed tube | ID50-250 | 0.3 | H7-H9 | ±10% | <0.4um |
Mechanics performance
Material | Tensile strength | Yield strength | Elongation | Hardness |
Ck20/20#/AISI1020 | >520 N/ mm2 | >375 N/mm2 | >15% | >85HB |
Ck45/45#/AISI1045 | >600 N/ mm2 | >520 N/ mm2 | >15% | >85HB |
ST52/16Mn/Q345D | >600 N/ mm2 | >520 N/ mm2 | >15% | >85HB |
25Mn/STKM 13C-T | >600 N/ mm2 | >530 N/ mm2 | >15% | >85HB |
Dimension tolerance
ID size | ID deviation (mm) | |||
H7 | H8 | H9 | H10 | |
30 | +0.021 0 | +0.033 0 | +0.052 0 | +0.084 0 |
>30~50 | +0.025 0 | +0.039 0 | +0.062 0 | +0.100 0 |
>50~80 | +0.030 0 | +0.046 0 | +0.074 0 | +0.120 0 |
>80~120 | +0.035 0 | +0.054 0 | +0.087 0 | +0.140 0 |
>120~180 | +0.040 0
| +0.063 0 | +0.100 0 | +0.160 0 |
>180~250 | +0.046 0 | +0.072 0 | +0.115 0 | +0.185 0 |
>250~315 | +0.052 0 | +0.081 0 | +0.130 0 | +0.210 0 |
>315~400 | +0.0527 0 | +0.089 0 | +0.140 0 | +0.230 |
Delivey conditions:
We can supply cold drawn/cold rolled seamless tube,honed tube,hydraulic tube,please feel free to contact us.
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