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| INTRODUCION |
EVERPHONE INDUSTRIAL CO., LTD. IS ONE OF THE MANUFACTURER
AND EXPORTER IN TAIWAN, SPECIALIZING IN THE PRODUCTION OF ENGINE
VALVES & VALVE
GUIDES & VALVE SEAT. THE PRODUCT RANGE INCLUDES MOTORCYCLE,
AUTOMOBLE, MARINE ENGINE & AGRIMOTOR…ETC.
THE ENGINE VALVE IS STEEL OF JIS SUH3, SUH36 (21-4N), WHICH
HAVE FEUTURES OF ANTI-WEAR, ANTICORROSON AND HEAT STRENGTH,
UNDER HIGH TEMPERATURE USE THE MATERIAL CONSTRUCTURE STILL
STABLE.
THE VALVE GUIDE IS CASTING IRON OF FC-25, THE PRECISION IS
UP TO 0.0015”. BOTH HIGH CLASS QUALITY AND PRECISION SIZE OF
OUR PRODUCTS FULFILL THE NEEDS OF ALL FAMOUS AUTOMOBILE MANUFACTURERS
IN THE WORLD. MOREOVER WE CAN ACCEPT FOR ANY CUSTOMERS’ DESIGN
TYPES. |
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| MATERIAL & SPECIFICATION |
| Chemical composition: |
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C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
Cu |
W |
Applied to |
| Martensitic Steel |
SUH1 |
0.40─
0.50 |
3.00─
3.5 |
 0.60 |
0.030 |
0.030 |
0.5 |
7.50─
9.50 |
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In Valve |
| SUH11 |
0.45─
0.55 |
1.00─
2.00 |
0.60 |
0.030 |
0.030 |
─ |
7.50─
9.50 |
─ |
─ |
─ |
In Valve |
| SUH3 |
0.30─
0.45 |
1.80─
2.50 |
0.60 |
0.030 |
0.030 |
0.6 |
10.00─
12.00 |
0.70─
1.30 |
0.30 |
|
In Valven
Ex Valve
Seat Insert |
| SUH4 |
0.75─
0.85 |
1.75─
2.25 |
0.20─
0.60 |
0.030 |
0.030 |
1.15─
1.65 |
19.00
20.50 |
─ |
0.30 |
─ |
Ex Valve
(Seat Insert) |
| Austenitic Steel |
SUH31 |
0.30─
0.45 |
1.50─
2.50 |
0.60 |
0.040 |
0.030 |
13.00─
15.00 |
14.00─
16.00 |
|
0.30 |
2.00─
3.00 |
Ex Valve
Seat Insert) |
SUH36
(21-4N) |
0.475─
0.575 |
0.25 |
8.00─
10.00 |
0.030 |
0.040─
0.090 |
3.25─
4.50 |
20.00─
22.00 |
|
0.30 |
─ |
Ex Valve |
SUH37
(21-12N) |
0.15─
0.25 |
0.75─
1.00 |
1.00─
1.50 |
0.025 |
0.025 |
10.50─
12.50 |
22.00─
20.00 |
|
0.30 |
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Ex Valve |
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C |
Cr |
W |
Fe |
Co |
Hardness HRC |
| STELLITE #1 |
2.5 |
30.0 |
12.0 |
3.0 Max. |
Bal. |
54 |
| STELLITE #6 |
1.0 |
28.0 |
4.0 |
3.0 Max. |
Bal. |
44 |
| STELLITE #12 |
1.35 |
29.0 |
8.0 |
2.0 |
Bal. |
47 |
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| JIS SUH3 |
| ORDINARY HEAT-RESISTANCE ALLOY (MARTENSITIC) WHICH HAS MAGNETISM
AND IS WIDELY APPLIED TO INTAKE VALVE FOR INTERNAL COMBUSTION
ENGINE. |
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| JIS SUH36 (21-4N) |
| HIGH QUALTY HEAT-RESISTANCE ALLOY BELONGING TO AUSTEMTIC
STEEL (NON-MAGNETIC) THAT IS EXCELLENT IN WEAR AND CORROSION
RESISTANCE UNDER HIGH TEMPERATURE AND APPLICABLE TO EXHAUST
VALVE FOR HEAVY DUTY ENGINE USE. |
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| STELLITE |
| COBALT-BAST ALLOY TO BE WELDED ON VALVE FACE (EXHAUST VALVE
FOR HEAVY DUTY ENGINE) FOR THE PURPOSE OF SPECIALLY IMPROVING
WEAR AND CORROSION RESISTANCE UNDER HIGH TEMPERATURE. |
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| MATERIAL & SPECIFICATION
(MS) |
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One-piece JIS SUH3 |
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Two-piece valve
(21-4N & JIS SUH3welded on stem) |
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One-piece 21-4N tip-welded |
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Hard-chromium plated
Tafftrided |
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Stellite welded on valve face |
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