Ngwa:
Welding nke 9% Cr-1% Mo steels na 9% Cr - 2% Mo steels eji ike eletrik na ụgbọ mmiri dị elu.
Nkọwa:
PA-8016-B8 bụ obere hydrogen electrode nke metal weld mejupụtara 9% Cr-1% Mo.Emebere ya maka igwe okpomọkụ dị elu na nchara maka ọrụ hydrogen na-ekpo ọkụ, karịsịa na ụlọ ọrụ petrochemical.Enwere ike ịkwado electrode maka ike ya dị elu, ịdị mma siri ike na oke okpomọkụ.
IHE MERE NA OKWU:
1. Ghichaa electrodes na 350-400 ° C maka ihe dị ka otu awa tupu ejiri ya ma chekwaa electrodes na 100-150 ° C mgbe ihicha ha na nlebara anya ka ị ghara iru mmiri.
2. Nabata usoro nzọụkwụ azụ ma ọ bụ tie arc ahụ n'obere efere ígwè a kwadebere maka nzube a ka ọ ghara igbochi ikuku na-amalite na arc.
3. Debe arc dị mkpụmkpụ dị ka o kwere mee.
4. Kpoo ọkụ na 100-150 ° C.Okpomọkụ a ga-etinye n'ọrụ na-adịgasị iche dabere na ọkpụrụkpụ efere na ụdị ígwè a ga-agbado.
5. Lezienụ anya ka ị ghara ịgafe ntinye okpomọkụ kwesịrị ekwesị n'ihi na oke ọkụ-ntinye na-akpata mmebi nke ụkpụrụ mmetụta na ike nke weld metal.
IV.NKWUKWU kemịkal nke igwe welded (%):
C | Si | Mn | Cr | Mo |
0.06 | 0.42 | 0.68 | 9.38 | 1.05 |
V. AKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWASỊAKWỤKWỌ:
Ike Tensile N/mm2(Ksi) | Ọnụ mkpụrụ N/mm2 (Ksi) | Mgbatị % | PWHT |
705 (102) | 560 (81) | 24 | 740°C x 1 elekere |
VI.ỌGBỤGBA NDỊ MMADỤ: ỌLU NILE
VII.Nha na akwadoro oke ugbu a (AC/DC+):
Dayameta (mm) | 2.5 | 3.2 | 4.0 | 5.0 | |
Ogologo (mm) | 350 | 350 | 400 | 400 | |
Ampere | Dị larịị | 55-85 | 90-130 | 130-180 | 180-240 |
V & OH | 50-80 | 80-115 | 110-170 | 150-200 |