Ƙaramin Walda na Karfe
J556Fe
GB/T E5518-G
AWS E8018-G
Bayani: J556fe wani lantarki ne mai ƙarancin ƙarfe mai ƙarfe mai ƙura da kuma ƙaramin rufin hydrogen. Ana iya amfani da AC da DC duka, kuma ana iya haɗa su a kowane matsayi.
Aikace-aikace: Ana amfani da shi don walda ƙarfe mai matsakaicin carbon da tsarin ƙarfe mai ƙarancin ƙarfe kamar Q390.
Sinadarin sinadarai na ƙarfen walda(%):
| C | Mn | Si | S | P |
| ≤0.12 | ≥1.00 | ≤0.80 | ≤0.035 | ≤0.035 |
Kayan aikin injiniya na ƙarfe na walda:
| Gwaji abu | Ƙarfin tauri Mpa | Ƙarfin bayarwa Mpa | Ƙarawa % | Ƙimar tasiri (J) -40℃ |
| An Garanti | ≥540 | ≥440 | ≥17 | ≥27 |
Yaɗuwar sinadarin hydrogen a cikin ƙarfe da aka ajiye: ≤10.0mL/100g (hanyar chromatography ta mercury ko gas)
Duba X-ray: I maki
Shawarar da ake bayarwa:
| (mm) Diamita na sanda | 2.5 | 3.2 | 4.0 | 5.0 |
| (A) Walda na Wuta | 70 ~ 110 | 100 ~ 140 | 140 ~ 170 | 190 ~ 240 |
Sanarwa:
1. Dole ne a gasa wutar lantarki na tsawon awa 1 a zafin 350℃ kafin a fara aiki da walda;
2. Yana da mahimmanci a tsaftace tsatsa, ma'aunin mai, ruwa, da ƙazanta a kan sassan walda kafin walda;
3. Yi amfani da aikin gajeriyar baka lokacin walda. Hanyar walda mai kunkuntar ta dace.






