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.
Ọdịiche dị iche iche na mkpuchi nke ụkpụrụ ASTM buru ibu ma kpuchie ọtụtụ mpaghara gụnyere, mana ọnweghị oke na, sayensị akụrụngwa, injinia ihe owuwu, kemịkalụ, injinia eletriki, na injinịa injinia. Ụkpụrụ ASTM na-ekpuchi ihe niile site na nyocha na nyocha nke akụrụngwa. na ihe achọrọ na nduzi n'oge nhazi 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
Nke a ọkọlọtọ na-emetụta àkwà mmiri na ụlọ na riveted, bolted na welded owuwu, 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 onwunwe ka. mee ka uru mkpụrụ na-ebelata, n'ihi ọdịnaya carbon na-agafeghị oke, arụmọrụ zuru oke nke ka mma, ike, plasticity na ịgbado ọkụ na ihe ndị ọzọ iji nweta egwuregwu ka mma, nke a na-ejikarị eme ihe.
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.
Oge nzipu: Jun-24-2024
