Ergyd Dur
Cyfansoddiad Cemegol | C | 0.85-1.20% |
Si | 0.40-1.20% | |
Mn | 0.60-1.20% | |
S | ≤0.05% | |
P | ≤0.05% | |
Caledwch | HRC 40-50 | |
Microstrwythur | Martensite Tempered homogenaidd neu Troostite | |
Dwysedd | ≥ 7.2g / cm3 | |
Ffurf allanol | Spherical Gronynnau gwag <10% |
Dosbarthiad maint
Rhif Sgrin | Fodfedd | Maint y sgrin | S70 | S110 | S170 | S230 | S280 | S330 | S390 | S460 | S550 | S660 | S780 | S930 |
6 | 0.132 | 3.35 | Pob pasio | |||||||||||
7 | 0.111 | 2.80 | Pob pasio | |||||||||||
8 | 0.0937 | 2.36 | Pob pasio | ≥90% | ||||||||||
10 | 0.0787 | 2.00 | Pob pasio | Pob pasio | ≥85% | ≥97% | ||||||||
12 | 0.0661 | 1.70 | Pob pasio | ≤5% | ≥85% | ≥97% | ||||||||
14 | 0.0555 | 1.40 | Pob pasio | ≤5% | ≥85% | ≥97% | ||||||||
16 | 0.0469 | 1.18 | Pob pasio | ≤5% | ≥85% | ≥97% | ||||||||
18 | 0.0394 | 1.00 | Pob pasio | ≤5% | ≥85% | ≥96% | ||||||||
20 | 0.0331 | 0.850 | Pob pasio | ≤10% | ≥85% | ≥96% | ||||||||
25 | 0.0280 | 0.710 | ≤10% | ≥85% | ≥96% | |||||||||
30 | 0.0232 | 0.600 | Pob pasio | ≥85% | ≥96% | |||||||||
35 | 0.0197 | 0.500 | ≤10% | ≥97% | ||||||||||
40 | 0.0165 | 0.425 | Pob Llwyddo | ≥85% | ||||||||||
45 | 0.0138 | 0.355 | ≤10% | ≥97% | ||||||||||
50 | 0.0117 | 0.300 | ≥80% | |||||||||||
80 | 0.007 | 0.180 | ≥80% | ≥90% | ||||||||||
120 | 0.0049 | 0.125 | ≥90% | |||||||||||
200 | 0.0029 | 0.075 |
Cais
Glanhau chwyth: Fe'i defnyddir ar gyfer glanhau chwyth castio, castio marw, ffugio;tynnu tywod castio, plât dur, dur math H, strwythur dur.
Tynnu rhwd: Tynnu rhwd castio, ffugio, plât dur, dur math H, strwythur dur.
Ergyd saethu: Saethu yn plygu gêr, rhannau wedi'u trin â gwres.
Ffrwydro tywod: Ffrwydro tywod o ddur proffil, bwrdd llong, bwrdd dur, deunydd dur, strwythur dur.
Cyn-driniaeth: Cyn-drin wyneb, bwrdd dur, dur proffil, strwythur dur, cyn paentio neu orchuddio.
Ysgrifennwch eich neges yma a'i hanfon atom ni