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VALVE MATERIAL SPECIFICATION OF BRASS ALLOY
创建于2024.08.06
Part name | material |
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name | trademark | Standard number |
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Valve body, bonnet, opening and closing parts | Cast tin bronze | ZCuSn3Zn1Pb4 | GB/T 1176-1987 |
ZCuSn5Pb5Zn5 |
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ZCuSn10Zn2 |
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Cast silicon brass | ZCuSn16Si4 |
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Cast aluminium bronze | ZCuA19Mn2、ZCuA19Fe4Si4Zn2 |
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Cast aluminium flavonoids | ZCuZn31A12 |
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brass | HMn58-2-2 | GB/T 4423-1992 |
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HMn58-2 |
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Aluminium bronze | ZCuA19Mn2、ZCuA110Fe3 | GB/T 1776-1987 |
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Stem | stainless steel | 1Cr13、2Cr13、3Cr13 | GB/T 1220-1992 |
1Cr18Ni9、1Cr18Ni9Ti |
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Aluminium bronze | QA19-2、QA19-4 | GB/T 4423-1992 |
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stuffing | polytetrafluoroethylene | SFT-1~4 | HG2-538 |
Oil-impregnated asbestos rope | YS250F、YS350F、YS450F | JG68 |
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PTFE-impregnated asbestos rope | - | - |
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Oil-soaked hemp | - | - |
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Oil-impregnated graphite asbestos rope | - | - |
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Handwheel | malleable iron | KTH330-08、KTH350-10 | GB/T 9440-1988 |
nodular cast iron | QT400-15、QT450-10 | GB/T 12227-1989 |
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