Customization: | Available |
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After-sales Service: | 24 Hours Service |
Warranty: | 6 Months |
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Standard
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DIN2391, EN10305, ASTM A519, GB/T 3639-200
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Material
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Q345B Q355D C20,ST52,E355 SAE1026.CK45 4130 4140 STKM 13C
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Heat treatment
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BK+S
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Specification
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Outer diameter(mm)
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Inner diameter(mm)
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40-480mm
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30-400mm
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I.D Tolerance
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H8-H9
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Length
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Fixed Length, Random Length(3--9m)or as requests of customers
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Straightness
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0.3/1000
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ID roughness
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RA 0.1-0.8micron(max)
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Technology
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Honed & SRB(SKIVED AND ROLLER BURNISHED )
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Scope
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Honed tube for hydraulic cylinder, swivel crane, injection machine and
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