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INTRODUCTION
EVERPHONE INDUSTRIAL CO., LTD. IS ONE OF THE MANUFACTURER
AND EXPORTER IN TAIWAN,
SPECIALIZING IN THE PRODUCTION OF ENGINE VALVES & VALVE GUIDES. THE
PRODUCT RANGE
INCLUDES MOTORCYCLE, AUTOMOBILE, MARINE ENGINE & AGRIMOTOR....ETC.
THE ENGINE VALVE IS STEEL OF JIS SUH3, SUH36(21-4N), WHICH HAVE FEUTURES OF
ANTI-WEAR,
ANTICORROSION 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.
MATERIAL & SPECIFICATION
Chemical composition:
| |
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
Cu |
W |
Applied to |
 |
SUH1 |
0.40-0.50 |
3.00-3.5 |
 0.60 |
0.030 |
0.030 |
0.5 |
7.50-9.50 |
|
|
|
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 |
- |
0.030 |
- |
Ex Valve
(Seat Insert) |
 |
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 |
|
Ex Valve |
| |
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 |
JIS SUH3
ORDINARY HEAT-RESISTANCE ALLOY (MARTENSITIC)
WHICH HAS MAGNETISM AND IS WIDELY
APPLIED TO INTAKE VALVE FOR INTERNAL COMBUSTION ENGINE.
JIS SUH36(21-4N)
HIGH QUALITY 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.
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.
MATERIAL & SPECIFICATION (MS)
|
One-piece JIS SUH3 |
|
Two-piece valve
(21-4N & JIS SUH3 welded on stem) |
|
One-piece 21-4N tip-welded |
|
Hard-chromium plated
Tafftrided
High-frequency hardened |
|
Stellite welded on valve face |
|
