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引擎汽門
引擎汽門之材質採耐熱不銹鋼鐵，具高強力伸展性、耐磨、耐侵蝕及耐高溫的特質。
引擎汽門生產是材料經鍛造、熱處理.車銷及精密的研磨所製造出來的。廣泛的應用於各式的引擎上。
ENGINE VALVE
The material of “ENGINE VALVE” is Heat-Resisting Stainless Steel .These ENGINE VALVES possess High Strength, Anti-Wear, Anti-Corrosion and Hear-Resisting.
The material of engine valve have to be forged with the finest steel, process and flat surface grinding of high precision.
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Material:
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C
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Si
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Mn
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P
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S
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Ni
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Cr
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Mo
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Cu
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W
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Applied to
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Martensitic Steel
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SUH1
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0.40─
0.50
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3.00─
3.5
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≦0.60
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≦0.03
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≦0.03
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≦0.5
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7.50─
9.50
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In Valve
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SUH11
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0.45─
0.55
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1.00─
2.00
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≦0.60
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≦0.03
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≦0.03
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─
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7.50─
9.50
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In Valve
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SUH3
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0.30─
0.45
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1.80─
2.50
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≦0.60
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≦0.03
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≦0.03
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≦0.6
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10.00─
12.00
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0.70─
1.30
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0.≦30
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In Valven
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SUH4
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0.75─
0.85
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1.75─
2.25
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0.20─
0.60
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≦0.03
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≦0.03
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1.15─
1.65
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19.00
20.50
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─
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0.3≦0
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Ex Valve
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Austenitic Steel
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SUH31
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0.30─
0.45
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1.50─
2.50
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≦0.60
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≦0.04
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0.030
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13.00─
15.00
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14.00─
16.00
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≦0.30
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2.00─
3.00
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Ex Valve
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SUH36
(21-4N)
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0.475─
0.575
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≦0.25
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8.00─
10.00
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≦0.03
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0.040─
0.090
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3.25─
4.50
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20.00─
22.00
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≦0.30
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─
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Ex Valve
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SUH37
(21-12N)
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0.15─
0.25
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0.75─
1.00
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1.00─
1.50
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≦0.025
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≦0.025
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10.50─
12.50
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22.00─
20.00
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0.3≦0
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Ex Valve
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C
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Cr
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W
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Fe
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Co
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Hardness HRC
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STELLITE #1
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2.5
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30.0
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12.0
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3.0 Max.
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Bal.
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54
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STELLITE #6
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1.0
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28.0
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4.0
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3.0 Max.
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Bal.
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44
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STELLITE #12
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1.35
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29.0
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8.0
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2.0
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Bal.
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47
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