Kodi State Standard ndi Chiyani chomwe chimapangidwa ndi chiyani?

ASTM, yemwe amadziwika kuti American Society of America poyesedwa ndi zida zapadziko lonse lapansi zothandiza odzipereka pokonza ndi kufalitsa miyezo ya mafakitale osiyanasiyana. Miyezo iyi imapereka njira zoyeserera zoyesa, zogwirizana ndi malangizo a majeremusi a US. Miyezo iyi idapangidwa kuti iwonetsetse bwino ntchitoyo, magwiridwe antchito, ndi chitetezo cha zinthu ndi zida ndikuwongolera ntchito yosalala yamalonda.

Kusiyanasiyana ndi kupezeka kwa miyezo ya asm ndi yayitali minda yosiyanasiyana, koma osakhalitsa, ukadaulo, ukadaulo wamagetsi, ndi kuwunika kwa zinthu zoiwidwa Zofunikira ndi chitsogozo chopanga malonda, kupanga, ndi kugwiritsa ntchito.

Astm A36 / A36M:

Kutanthauzira kwa chitsulo chophimba zofunikira za kaboni kaboni kaboni, nsanje, ndi mapulogalamu ena aukadaulo.

A36 Share PlaceZolinganiza Miyezo
Kuphedwa mu Asther Astme A36 / A36M-03a, (ofanana ndi asme code)

A 36 mbalekugwilitsa nchito
Muyezo uwu umagwira ntchito ku milatho ndi nyumba zokhala ndi nyumba zodulidwa, zogulidwa, komanso cholinga chachikulu cha zitsulo zokhala ndi miyala, ndikuchulukitsa ndi makulidwe a zinthuzo Pangani phindu la zokolola zimachepa, chifukwa cha zokhudzana ndi mpweya, zomwe zimachitika bwino, mphamvu, chipilala ndi kuwotcherera ndi zinthu zina Pezani machesi abwinoko, omwe amagwiritsidwa ntchito kwambiri.

A36 Chitsulo Chitsulo Chotsatsa Mankhwala:
C: ≤ 0.25, si ≤ 0.40, Mn: ≤ 0.80-1.80, p

Makina katundu:
ZOTHANDIZA: ≥250.
Mphamvu yakukhala: 400-550.
Ellenetion: ≥20.
National Standard ndi A36 zinthu ndizofanana ndi Q235.