Motorcycle Engine Parts Supplier
Everphone Industrial Co., Ltd. is one of the high performance motorcycle engine parts suppliers in Taiwan, specializing in the production of automobile engine parts, car engine parts, motorcycle engine parts such as Engine Valves, Valve Guides and Valve Seat. The product range includes motorcycle and automobile…etc.

The engine valve is steel of JIS SUH3, SUH36 (21-4N), which has features of anti-wear, anti corrosion and heat strength, and the material contracture remains stable under high temperature.

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 accept customized service.

METERIAL & SPECIFICATION
Chemical Composition:
 CSiMnPSNiCrMoCuWApplied to
Martensitic
Steel
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
≦ 0.30 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   Ex Valve
 CCrWFeCoHardness 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 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.

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)