ASTM A335 P91 Alloy Karfe bututu

Astm A335 ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun bututun ƙarfe-ƙarfe mara ƙarfi don sabis na zafin jiki

ASTM A335 an ba da ma'auni a ƙarƙashin ƙayyadaddun ƙayyadaddun ƙirar A 335/A 335M; lambar nan da nan da ke biye da ƙididdigewa tana nuna shekara ta asali ko kuma, a cikin yanayin bita, shekarar sake dubawa ta ƙarshe. Lamba a cikin baka yana nuna shekarar sake amincewa ta ƙarshe. Babban rubutun epsilon (ュ) yana nuna canjin edita tun bayan bita ta ƙarshe ko sake amincewa.

1.1 Wannan ƙayyadaddun ya ƙunshi bututun ƙarfe mara nauyi (matsakaici) bango mara ƙarfi wanda aka yi niyya don sabis na zafin jiki (Mote 1). Bututu da aka ba da umarni ga wannan ƙayyadaddun ya kamata ya dace da lanƙwasa, flanging (vanstoning), da makamantan ayyukan ƙirƙira, da kuma walƙiya na fusion. Zaɓin zai dogara ne akan ƙira, yanayin sabis, kaddarorin inji, da halaye masu zafi.

NOTE 1 Α Shafi X1 yana lissafin girma da kaurin bangon bututu waɗanda za'a iya samu ƙarƙashin aikin kasuwanci na yanzu.

1.2 Yawancin maki na ƙarfe na ƙarfe (bayanin kula 2) an rufe su.

ΑFerritic karafa a cikin wannan ƙayyadaddun an ayyana su azaman ƙananan ƙarfe da tsaka-tsaki-alloy waɗanda ke ɗauke da har zuwa 10％ chromium.
1.3 Ana ba da ƙarin buƙatun (S1 zuwa S7) na yanayin zaɓi. Waɗannan ƙarin buƙatun suna buƙatar ƙarin gwaje-gwajen da za a yi, kuma idan ana so, za a faɗi haka cikin tsari tare da adadin irin waɗannan gwaje-gwajen da ake buƙata.
1.4 Ma'aunin da aka bayyana a ko dai raka'o'in-inci ko raka'o'in SI ya kamata a ɗauke su daban azaman ma'auni. A cikin rubutun, ana nuna raka'o'in SI a maƙallan. Ƙimar da aka bayyana a cikin kowane tsarin ba daidai ba ne; don haka, dole ne a yi amfani da kowane tsari ba tare da ɗayan ba. Haɗin ƙima daga tsarin biyu na iya haifar da rashin daidaituwa tare da ƙayyadaddun bayanai. Za a yi amfani da raka'o'in-inci-labaran sai dai in ba a kayyade nadi na "M" na wannan ƙayyadaddun tsari ba.

Lura 3ΑAn maye gurbin mai ƙirar NPS maras girma (girman bututu maras tushe) a cikin wannan ma'auni don irin waɗannan kalmomin gargajiya kamar "diamita maras tushe," "girma," da "girman ƙima."

Bututu na iya zama ko dai an gama zafi ko kuma zana sanyi tare da ƙarewar maganin zafi da aka lura a ƙasa.

Don zafin kayan da aka yi amfani da su a cikin tanderun nau'in batch, za a yi gwaje-gwaje akan 5% na bututu daga kowane yanki mai magani. Don ƙananan kuri'a, aƙalla bututu ɗaya za a gwada.
Don kayan zafi da ake bi da su ta hanyar ci gaba da ci gaba, za a yi gwaje-gwaje akan isassun adadin bututu don zama 5% na kuri'a, amma a cikin ƙasa da bututu 2.

Bayanan kula don Gwajin Tauri:
P91 ba zai sami taurin da bai wuce 250 HB / 265 HV [25HRC].

Bayanan kula don Gwajin Lanƙwasa:
Don bututu wanda diamita ya wuce NPS 25 kuma wanda diamita zuwa kaurin bango ya kai 7.0 ko ƙasa da haka za a yi gwajin lanƙwasa a maimakon gwajin lanƙwasa.
Sauran bututu wanda diamita ya yi daidai ko ya wuce NPS 10 ana iya ba da gwajin lanƙwasa a madadin gwajin lanƙwasa bisa amincewar mai siye.
Za a lanƙwasa samfuran gwajin lanƙwasa a cikin dakin da zafin jiki ta hanyar 180 ba tare da fashe a waje na ɓangaren lanƙwasa ba.

Diamita na ciki na lanƙwasawa zai zama inch 1 [25 mm].
Kowane tsayin bututu za a yi gwajin Hydro, a zaɓi na ƙera gwajin lantarki mara lalacewa za a iya amfani da shi.