ASTM A778 Karfe bututu
Wannan ƙayyadaddun ya ƙunshi madaidaiciyar kabu da kuma karkace butt ɗin da aka yi masa walda mara kyau austenitic bakin karfe tubular kayayyakin da aka yi niyya don ƙananan yanayin zafi da matsakaici da sabis na lalata inda magani bai zama dole don juriyar lalata ba.Samfuran tubular za a yi su daga takardan ƙarfe mai birgima, naɗa, ko faranti ta hanyar walda mai kariya.
Karfe mu sanannen mai siyarwa ne kuma mai rarrabawa na ASTM A778 Austenitic Bakin Karfe Tubes, wanda ke da manyan halaye masu yawa don samarwa kamar dorewa, ƙarfi mai ƙarfi, tabbacin tsatsa, da sauransu.An haɗa mafi girman darajar ƙarfe da fasaha mafi girma a cikin kera waɗannan bututu.Muna ba da waɗannan samfuran zuwa ƙare na musamman don kyan gani da juriya ga lalata.Gabatarwar ASTM A778 Welded Tubes ƙwararrun amintattun masananmu ne ke kerar su ta amfani da mafi kyawun matakin bakin karfe.Don dacewa da bambance-bambancen buƙatun abokan ciniki, muna ba da waɗannan bututu a cikin masu girma dabam, ƙayyadaddun bayanai da maki.Abokin ciniki na iya samun waɗannan samfuran daga gare mu a cikin siffofi daban-daban kamar rectangular / oval / round / square da sauran sassan bayanan martaba masu alaƙa gwargwadon buƙatun su.Don ƙarfafa matsayinmu, muna ba da kyauta mai yawa da ingantaccen kewayon waɗannan bututun.Goyan bayan babban ilimin masana'antu, muna gabatar da waɗannan Tubes ga abokan cinikinmu masu daraja.
Ana kera wannan bututun ƙarfe ta hanyar amfani da ingantaccen kayan abu da fasaha mai ci gaba a cikin tandem zuwa ƙa'idodi tare.Ana bincika bututun ƙarfe da aka gabatar da mu dangane da inganci kafin bayarwa ga abokan cinikinmu.Wadannan bututun ASME SA 778 suna ba da wasu fasalulluka masu ban sha'awa kamar tsayayya da tsatsa, Dorewa, Ƙarfi, Rashin lalacewa, Ƙarfin ƙarfi mai ƙarfi, Ƙarfin Ƙarfi, Amintaccen, Juriya da abrasion, Cikakkar ƙarewa, Ƙarfin gini, Mai dorewa, Babban juriya, Dogon rayuwa, Tasirin tsada, Mai sauƙin girka, Dorewa, Ƙarfi mai ƙarfi, Zai iya jurewa matsin lamba da sauransu.
Wannan ƙayyadaddun ya ƙunshi samfuran tubular da ba a ɗaure ba tare da walda ba 3 in. (75 mm) zuwa inci 48.(1200 mm) a cikin diamita na waje kuma a cikin ƙananan kauri na bango na 0.062 in. (1.5 mm) ta 0.500 in. (12.5 mm) da aka samar zuwa wannan ƙayyadaddun.Samfuran Tubular da ke da wasu diamita, ko kaurin bango, ko duka biyun ana iya samar da su muddin sun bi duk sauran buƙatun wannan ƙayyadaddun.
| Haɗin Sinadari(%) | |||||||||||
| Daraja | C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu | |
| 201 | ≤0.15 | ≤0.75 | 5.5 ~ 7.5 | ≤0.060 | ≤0.03 | 16.00-18.00 | 3.5 ~ 5.5 | - | - | 0.08 | 1.5 |
| 202 | ≤0.15 | ≤1.00 | 7.5 ~ 10.00 | ≤0.060 | ≤0.03 | 17.00-19.00 | 4.0 ~ 6.0 | - | ≤0.25 | ||
| 301 | ≤0.15 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 16.00-18.00 | 6.00 ~ 8.00 | - | |||
| 302 | ≤0.15 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.03 | 17.00-19.00 | 8.00 ~ 10.00 | - | |||
| 304 | ≤0.07 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 18.00-20.00 | 8.00 ~ 10.50 | - | |||
| 304l | ≤0.030 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 18.00-20.00 | 9.00-13.00 | - | |||
| 310S | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 24.00-26.00 | 19.00-22.00 | - | |||
| 316 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 16.00-18.00 | 10.00-14.00 | 2.00 ~ 3.00 | |||
| 316l | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 16.00-18.00 | 12.00-15.00 | 2.00 ~ 3.00 | |||
| 321 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 17.00-19.00 | 9.00-13.00 | - | |||
| 430 | ≤0.12 | ≤0.75 | ≤1.00 | ≤0.040 | ≤0.03 | 16.00-18.00 | - | ||||
| 2205 | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.030 | ≤0.015 | 22.00-23.00 | 4.5 ~ 6.5 | 2.5 ~ 3.5 | |||
| 2507 | ≤0.03 | ≤0.08 | ≤1.20 | ≤0.035 | ≤0.015 | 24.00-26.00 | 6.00 ~ 8.00 | 3.0 ~ 5.0 | |||
| 904l | ≤0.02 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.035 | 19.00-23.00 | 23.00-28.00 | 4.0 ~ 5.0 | 1.0 ~ 2.0 | ||
| INCONEL 028 | ≤0.03 | ≤1.00 | ≤2.50 | ≤0.030 | ≤0.030 | ≤28.0 | ≤34.0 | ≤4.0 | ≤1.4 | ||
| MONEL 400 | ≤0.30 | ≤0.5 | ≤2.00 | - | ≤0.024 | - | ≥63.0 | - | ≤34.0 | ||
| INCONEL 800 | ≤0.10 | ≤1.00 | ≤1.50 | - | ≤0.015 | ≤23.0 | ≤35 | 4.0 ~ 5.0 | - | ≤0.75 | Ti≤0.6 Al≤0.6 |
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