Nkhani - Kufunika kwa Mapepala a Chitsulo a ASTM A283 pa Ntchito Zomanga ku America

Mbale yachitsulo ya ASTM A283 ndi chitsulo chopangidwa ndi kaboni wochepa chomwe chimagwiritsidwa ntchito kwambiri ku America konse chifukwa chamagwiridwe antchito okhazikika a makina, kugwiritsa ntchito bwino ndalama, komanso kupanga mosavutaKuyambira nyumba zamalonda ndi mafakitale mpaka mapulojekiti akuluakulu omanga, mbale zachitsulo za A283 zimaperekachithandizo chodalirika cha kapangidwe ka nyumba.

Chidule cha Mbale Yachitsulo ya ASTM A283

Mbale yachitsulo ya ASTM A283idapangidwira zomangamanga ndi zomangamanga zomwe zimakwaniritsa zosowa zakatundu wochepaYagawidwa m'magulu awiri:Magiredi A, B, C, ndi D, iliyonse ili ndi makhalidwe osiyana pang'ono a mankhwala ndi makina kuti ikwaniritse zofunikira zosiyanasiyana za uinjiniya.

Chinthu	C (Kaboni)	Mn (Manganese)	P (Phosphorus)	S (Sulfure)	Si (Silikoni)
Mndandanda wa Zomwe Zili M'kati	≤ 0.25%	≤ 1.4%	≤ 0.04%	≤ 0.05%	0.15–0.40%

Chitsulo cha ASTM A283Katundu wa Makina

Giredi	Mphamvu Yopereka	Kulimba kwamakokedwe	Zona makulidwe osiyanasiyana
Giredi A	41 ksi (≈ 285 MPa)	55–70 ksi (≈ 380–485 MPa)	3–50 mm
Giredi B	50 ksi (≈ 345 MPa)	60–75 ksi (≈ 415–515 MPa)	3–50 mm
Giredi C	55 ksi (≈ 380 MPa)	70–85 ksi (≈ 480–585 MPa)	3–50 mm
Giredi D	60 ksi (≈ 415 MPa)	75–90 ksi (≈ 520–620 MPa)	3–50 mm

Katunduyu amatsimikizira kuti mbale zachitsulo za ASTM A283 zimatha kugwira ntchitokatundu wosasunthika komanso wosinthasintha, kuphatikizapo mphepo ndi mphamvu zachilengedwe.

Ubwino wa Kuchita Bwino

Mphamvu yodalirika: Zimateteza zinthu zikamalemera.

Kutha kupotoka bwino kwambiri: Yoyenera kugwiritsidwa ntchito popanga zitsulo zazikulu komanso zowotcherera pamalopo.

Kapangidwe ka mankhwala kofanana: Chimatsimikizira kulimba kwa nthawi yayitali komanso kudalirika kwa kapangidwe kake.

Zinthu zimenezi zimapangitsa kuti mbale zachitsulo za A283 zikhale chisankho chabwino kwambiri pa ntchito zomanga zotsika mtengo komanso zotetezeka.

Mapulogalamu ku America

Mbale yachitsulo ya ASTM A283 imagwiritsidwa ntchito kwambiri mu:

Malo opangira mafakitale ndi malo osungiramo katundu: Mafelemu a denga lalikulu komanso zothandizira makoma

Nyumba zamalonda: Nsanja za maofesi, malo ogulitsira zinthu, nyumba zokhala ndi zipinda zambiri

Mapulojekiti a zomangamanga: Zochirikiza mlatho, makoma otetezera, ndi mipanda yoteteza

M'madera omwe masoka achilengedwe monga kusefukira kwa madzi ndi zivomerezi zimachitikira,Mbale yachitsulo ya A283imapereka kulimba kowonjezereka komanso chitetezo cha kapangidwe kake.

Mtengo ndi Ubwino Womanga

Yotsika mtengo: Mtengo wake ndi wocheperako ndipo umapezeka kwambiri ku North ndi South America.

Kupanga kosavuta: Kutha kupotoza ndi kupangika bwino kwambiri popangira chitsulo chachikulu komanso powotcherera pamalopo.

Kapangidwe kogwira mtima: Amachepetsa nthawi ya polojekiti ndi ndalama zonse pamene akusunga ukhondo wa kapangidwe kake.

Mapeto

Ndikapangidwe ka mankhwala kokhazikika, zokolola zochepa komanso mphamvu yokoka, kusinthasintha kwabwino kwambiri, komanso ubwino wa mtengo, Mbale yachitsulo ya ASTM A283 ndi yofunika kwambiri pamsika wa zomangamanga ku America. Pamene kufunikira kwa nyumba zamafakitale ndi zamalonda kukukulirakulira, mbale yachitsulo ya A283 ipitilizabe kugwira ntchito bwino.gawo lofunika kwambiri pa ntchito zomanga zotetezeka, zolimba, komanso zothandiza.

GULU LA MFUMU

Adilesi

Malo oyendetsera chitukuko cha Kangsheng,
Chigawo cha Wuqing, mzinda wa Tianjin, China.

Imelo

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Foni

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Maola

Lolemba-Lamlungu: Utumiki wa maola 24

Nthawi yotumizira: Disembala-03-2025