Gịnị bụ ọkọlọtọ ASTM na kedu ihe A36 mere?

ASTM, nke a maara dị ka American Society for Testing and Materials, bụ ụlọ ọrụ ọkọlọtọ na-enwe mmetụta zuru ụwa ọnụ maka mmepe na mbipụta nke ụkpụrụ maka ụlọ ọrụ dị iche iche. Ụkpụrụ ndị a na-enye ụzọ nnwale otu, nkọwapụta na ntuziaka maka ụlọ ọrụ US. Ezubere ụkpụrụ ndị a iji hụ na ịdịmma, arụmọrụ, na nchekwa nke ngwaahịa na akụrụngwa na iji kwado ọrụ azụmaahịa mba ụwa nke ọma.

Ụdị dị iche iche na mkpuchi nke ụkpụrụ ASTM dị ukwuu ma na-ekpuchi ụdị dịgasị iche iche gụnyere, ma ọnweghị oke na, sayensị ihe, injinia ihe owuwu, kemịkalụ, injinịa eletriki, na injinịa injinia. Ụkpụrụ ASTM na-ekpuchi ihe niile site na nyocha na nyocha nke akụrụngwa ruo ihe achọrọ na nduzi n'oge mmepụta ngwaahịa, mmepụta, na ojiji.

ASTM A36/A36M:

Nkọwa ọkọlọtọ maka igwe na-ekpuchi ihe achọrọ maka nhazi carbon steel maka owuwu, imepụta na ngwa injinịa ndị ọzọ.

A36 Steel efereỤkpụrụ mmanye
Ọkọlọtọ mmezu ASTM A36/A36M-03a, (nke dabara koodu ASME)

A36 eferejiri
Standardkpụrụ a na-emetụta àkwà mmiri na ụlọ ndị nwere riveted, bolted and welded structures, nakwa dị ka izugbe-ebumnobi structural ígwè àgwà carbon ígwè ngalaba, efere na bars.A36 ígwè efere mkpụrụ na banyere 240MP, na ga-abawanye na ọkpụrụkpụ nke ihe na-eme ka mkpụrụ uru mbelata, n'ihi na agafeghị oke carbon ọdịnaya, n'ozuzu ịrụ ọrụ nke ọma na plasticity Njirimara, na-enweta ike kacha mma na plastic Njirimara, na ndị ọzọ. ejiri ọtụtụ ebe.

Ngwakọta kemịkalụ A36 steel plate:
C: ≤ 0.25, Si ≤ 0.40, Mn: ≤ 0.80-1.20, P ≤ 0.04, S: ≤ 0.05, Cu ≥ 0.20 (mgbe ndokwa nke ọla kọpa nwere ígwè).

Njirimara igwe:
Ike mpụta: ≥250 .
Ike nkwụsị: 400-550.
Ogologo oge: ≥20.
Ọkọlọtọ mba na ihe A36 yiri Q235.