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ABOUT US“ZGL GROUP” owns a technological R&D center with a great number of high quality talents of strong will, precise skill and professional expertise, among which there are 40 senior and intermediate level technicians with master
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PRODUCTS“ZGL GROUP” owns a technological R&D center with a great number of high quality talents of strong will, precise skill and professional expertise, among which there are 40 senior and intermediate level technicians with master
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NEWS“ZGL GROUP” owns a technological R&D center with a great number of high quality talents of strong will, precise skill and professional expertise, among which there are 40 senior and intermediate level technicians with master
Cylinder tube
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Description
Cylinder tube
Roller polished / honed seamless steel tubing is cold drawn both internally and externally and then tempered with tensile strengths up to 520 N / mm2 or more. Then Golden Asia perfected the job with its own precision honing / honing roller with polished finish and H7, H8 diameter tolerance. This helps extend cylinder life and reduces seal wear.
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Inside diameter precision： H7, H8, H9 |
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Internal roughness： Ra0.2～0.8μm |
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Standard length： 3 ～ 8 meters |
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External standard size：ø20～420mm |
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Standard inner size ：ø18～350mm |
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Material: JIS G3445 STKM 13C o diseño mecánico Utilice tubos |
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★Customers can make other specifications and requirements. |
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Chemical Composition |
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Steel Grade |
C |
Mn |
P |
S |
Si |
Mo |
Ni |
Cr |
Cu |
V |
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A106 GR.A |
0.25 |
0.27-0.93 |
0.035 |
0.035 |
0.1 |
0.15 |
0.4 |
0.4 |
0.4 |
0.08 |
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A106 GR.B |
0.3 |
0.29-1.06 |
0.035 |
0.035 |
0.1 |
0.15 |
0.4 |
0.4 |
0.4 |
0.08 |
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A106 GR.C |
0.35 |
0.29-1.06 |
0.035 |
0.035 |
0.1 |
0.15 |
0.4 |
0.4 |
0.4 |
0.08 |
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