JQ.H1Cr24Ni13 kowiri tira hau-maara waea totoka
Taupānga
He maha nga wa e whakamahia ana i roto i te whakapiringa o te waro maitai me te kowiri tira nga mea rereke, i roto ranei i te whakapiri i nga kowiri tira martensitic me te pearlitic me te ngoikore o te uaua.Nga tono penei i te petrochemical, nga tipu hiko waiariki me etahi atu ahumahi.
Waea fehokotaki hanganga matū(Wt%)
Tauira | Waea whakapiringa hanganga matū(Wt%) |
| ||||||||
C | Mn | Si | Cr | Ni | Mo | P | S | Cu | Ētahi atu | |
JQ.H1Cr24Ni13 | 0.081 | 1.61 | 0.40 | 23.85 | 13.15 | 0.02 | 0.012 | 0.013 | 0.23 | - |
Mahinga hua
Tauira paerewa (taurite). | He tauira o nga ahuatanga tinana o te konganuku kua penapena (me SJ601) | ||
GB | AWS | Te Kaha TokaMPa | Whakaroa% |
S309 | ER309 | 594 | 41.5 |
Hua fehokotaki'anga tohutoro nāianei(AC, DC+)
Waea diameter(mm) | ¢0.8 | ¢1.0 | ¢1.2 | |
Waehere naianei(A) | Welding flat, welding whakapae | 70-150 | 100-200 | 140-220 |
poutū fehokotaki'anga | 50-120 | 80-150 | 120-180 | |
Werohanga o runga | 50-120 | 80-150 | 160-200 |
Whakatakotoranga Hua
Waea diameter | ¢0.8 | ¢1.0 | ¢1.2 |
taumaha mōkihi | 12.5Kg/ mongamonga | 15Kg/piece | 15Kg/piece |
Whakatupato mo te whakamahi hua
1. Hau parepare: Kia whai whakaaro ki te ma o te hau whakamarumaru, a ko te ōwehenga ranunga hau e taunakitia ana ko Ar+1-3%O2.
2.Te rere o te hau: 20-25L / min.
3.Elongation maroke: 15-25mm.
4.Me tino tango i te paparanga waikura, te makuku, te hinu, te puehu, me etahi atu i runga i te waahanga whakapiri.
5. I te wa o te weriweri o waho, ka nui ake te tere o te hau i te 1.5m/s, me tango nga tikanga parepare hau, me mahi nga mahi aukati hau e tika ana kia kore ai e puta nga pupuhi.
Ko nga whakaaro i runga ake nei mo te tohutoro anake, a ko te tino ahuatanga ka kaha i roto i nga mahi motuhake.Mena e tika ana, me whakahaere tohu tohu i mua i te whakatau i te mahere whakaahuru.