Tabl ar gyfer cyfansoddiad cemegol dur dwyn |
||||||||||
Cyfansoddiad cemegol (%) |
||||||||||
Na |
C |
Mn |
Si |
Cr |
S |
P |
Ni |
Cu |
HB |
|
< |
||||||||||
GCr15 |
0.95-1.05 |
0.20-0.4 |
0.15-0.35 |
1.30-1.65 |
0.020 |
0.027 |
0.30 |
0.25 |
170-207 |
|
Tabl ofor y cyferbyniad o dwyn dur Nifer o bob gwlad |
||||||||||
Gwlad |
Tsieina |
ISO |
UDA |
Yr Almaen |
Japan |
Sweden |
||||
Gan Rhif dur |
GCr15 |
683 / XV11 |
AISI52100 |
Din100Cr6 |
JisSUJ2 |
SKF3 |
||||
Bwrdd ar gyfer y cyferbyniad o Cywirdeb dwyn |
|
|||||||||
Gwlad |
safonol |
Cywirdeb Gradd |
||||||||
Tsieina |
GB307.1 |
0 |
6 |
5 |
4 |
2 |
||||
Sefydliad Safon Ryngwladol |
ISO |
0 |
6 |
5 |
4 |
2 |
||||
Sweden |
SKF |
P0 |
P6 |
P5 |
P4 |
P2 |
||||
Yr Almaen |
DIN |
P0 |
P6 |
P5 |
P4 |
P2 |
||||
Japan |
JIS |
P0 |
P6 |
P5 |
P4 |
P2 |
||||
UDA |
ANSI |
ABEC1 |
ABEC3 |
ABEC5 |
ABEC7 |
ABEC9 |
amser Swydd: Medi-25-2018