G350 durgellir ei gymhwyso i amrywiaeth o haenau dip poeth:
Cotio sinc (Z).
Gorchudd sinc wedi'i drawsnewid yn aloi sinc/haearn (ZF).
Sinc/alwminiwm (ZA).
Sinc/alwminiwm/magnesiwm (ZM).
Alwminiwm/sinc (AZ)
Alwminiwm/sinc/magnesiwm (AM).
G350 Gofynion ar gyfer Cyfansoddiad Cemegol
| Dynodiad gradd dur AS 1397 |
Cyfansoddiad cemegol (dadansoddiad cast), % uchafswm. | |||
|---|---|---|---|---|
| Carbon | Manganîs | Ffosfforws | Sylffwr | |
| G350 | 0.3 | 1.6 | 0.1 | 0.035 |
G350 Gofynion eiddo mecanyddol
| Gradd dur dynodiad |
Prawf tynnol hydredol | Prawf tro ardraws | ||||
|---|---|---|---|---|---|---|
| Minnau. cnwd nerth MPa |
min. tynnol nerth MPa |
Min.elongation, % | Ongl y graddau tro | Diamedr y mandrel o ran trwch y darn prawf (t) | ||
| Lo=50 mm | Lo=80 mm | |||||
| G350 | 350 | 420 | 15 | 14 | 180 | 2t |
G350 Gorchuddio adlyniad (prawf tro 180 gradd) gofynion
| Dynodiad gradd dur | Diamedr mandrel o ran trwch y cynnyrch (t) | |||||||
|---|---|---|---|---|---|---|---|---|
| Dosbarth cotio | ||||||||
| "Z", "ZA", "ZF" a "ZM" | "AZ" ac "AM" | |||||||
| Z100, ZA90 ZF80 ZF100 |
Z200, ZA135, ZA180, ZM90, ZM120, ZM150, ZM180 |
Z275, ZA225, ZA275, ZM220, ZM275 |
Z350, ZA350, ZM350 |
Z450, ZA450, ZM450 |
Z600 | AZ150% 2c AM100, AM125, AM150 |
AZ200% 2c AM175, AM200 AM225 |
|
| G350 | 0 | 0 | t | t | t | 2t | t | t |
Taflen ddur galfanedig
Cyflenwyr dur galfanedig
