Ƙaramin Walda na Karfe
J557SLA, J557SLB
GB/T E5515-G
AWS E8015-G
Bayani: Wannan wata na'urar lantarki ce ta musamman da aka rufe da ƙarancin hydrogen sodium don ƙarfe mai aluminum. Yi amfani da DCEP (mai kyau ga lantarki kai tsaye), kuma ana iya haɗa ta a kowane matsayi tare da aikin baka na ɗan gajeren lokaci. Ana iya haɗa J557SLA kai tsaye ba tare da cire layin aluminum da ke saman ramin ba kafin walda. Amma J557SLB ya kamata ya cire layin aluminum da ke saman ramin kafin walda.
Aikace-aikace: Ana amfani da shi don walda tsarin ƙarfe mai alumini a ƙarƙashin matsakaicin tsatsa na hydrogen sulfide, sulfur, ammonia, ammonium bicarbonate da hydrogen nitrogen tare da zafin aiki ƙasa da 540°C. Kamar bututun tukunya, kayan aikin tace mai, kayan aikin taki da bututun tururi, da sauransu.
Sinadarin sinadarai na ƙarfen walda(%):
| C | Mn | Si | Cr | Mo | Al | S | P |
| ≤0.12 | 0.50 ~ 0.90 | ≤0.50 | ≈0.80 | ≥0.20 | ≤0.055 | ≤0.035 | ≤0.035 |
Kayan aikin injiniya na ƙarfe na walda:
| Gwaji abu | Ƙarfin tauri Mpa | Ƙarfin bayarwa Mpa | Ƙarawa % | Ƙimar tasiri (J) Yanayin Zafi na Al'ada. |
| An Garanti | ≥540 | ≥440 | ≥17 | ≥49 |
Yaɗuwar sinadarin hydrogen a cikin ƙarfe da aka ajiye: ≤6.0mL/100g (hanyar glycerin)
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 | 50 ~ 80 | 80 ~ 110 | 130 ~ 170 | 160 ~ 200 |
Sanarwa:
1. Dole ne a gasa wutar lantarki na tsawon awa 1 a kusan 350℃ kafin a fara aikin walda;
2. Yana da mahimmanci a tsaftace tsatsa, ma'aunin mai, ruwa, da ƙazanta a kan sassan walda kafin walda.






