Akuko - a na - akpọ oku na

Na usoro ihe omume ọgbara ọhụrụ, mkpụrụ osisi na-acha uhie uhie bụ ihe ndị dị mkpa, yana ụdị ha dị iche iche na usoro ọdịiche na-emetụta ndụ nduzi nke ndagwurugwu na-emetụta mmepe mmepe nke ndagwurugwu. Difsdị dị iche iche nke mkpụrụ osisi ígwè na-ekpo ọkụ na-akpọ ọrụ na-enweghị atụ n'ọhịa, ụgbọala, ike, wdg na akụrụngwa nke ngwaọrụ ha. Ihe ndị a ga-elekwasị anya na nyocha nke na-ekpo ọkụ na-ekpo ọkụ na-achọ ahịa na-achọ ihe dị iche na isi ha.

Isi ike: Q235b na SS400
Q235B bụ nke a na-ejikarị nchara nke nwere obere carbon na China, nwere carbon ọdịnaya nke ihe dị ka 0.12% -0.20%, ma nwee ezigbo plastity na Njirimara Njirimara. Ike mkpụrụ ya bụ ≥235MA ma bụrụkwa ebe niile na-ewu ahịhịa, akwa nkwado na akụkụ ndị General. N'ime ụlọ ọrụ owuwu, i-brel, ọwa mmiri na steel ndị ọzọ mere nke Q235B na-ekpo ọkụ nchara maka ihe karịrị 60%, na-akwado ọkpụkpụ nke ihe owuwu obodo mepere emepe.
SS400 bụ ụlọ ọrụ carbon na-ejikarị carbon na-eji ike ya na ike dị ka Q235B, mana njikwa sọlfọ na adịghị mma nke mma. N'ọnwa nke ụgbọ mmiri, a na-ejikarị mkpụrụ osisi na-esite na SS400 na-ejikarị ihe owuwu. Heaterwa mmiri corrosion dị mma karịa nchara carbon nkịtị, na-ejide nchekwa nke oke osimiri wakporo.

Mpempe akwụkwọ na-ekpo ọkụ na-ekpo ọkụ - nke Royal

Ndị nnọchi anya na-anọchite anya: Q345b na Q960
Q345B bụ usoro dị ala dị ala na 1.0% -1.6% mangangese gbakwunyere, ike na-abawanye elu karịa 345MPA. E jiri ya tụnyere Q235B, ike ya abawanye site na 50%, ebe ịnọgide na-enwe ezigbo welndability. Na injin injinia, igbe igbe mere nke Q345b na-ekpo ọkụ na-ekpo ọkụ nwere ike belata ogo site na 20%, nke na-ebelata ụgwọ ọrụ injinịa. Na 2023, owuwe ihe owuwu ụlọ ga-eri ihe karịrị nde iri na abụọ nke Q345b na-ekpo ọkụ, na-ekwupụta 45% nke ngụkọta nke ụdị a.
Dị ka onye nnọchi anya nke ultra-elu nke ike ultra-elu nke ultra na teknụzụ microallowy (na-agbakwunye vanaaly na ihe ndị ọzọ) na-achịkwa usoro na-achịkwa ya. N'ọnwa igwe injinịa, ọkpụrụkpụ ogwe aka crane mere na-erughị 6mm, ikike ibu dị ka ndị na-ere ọkụ dị ka ndị na-adịghị egwuri egwu na cranes.

Benchmark: SPHC na Saph4
SPHC bụ ngwaahịa dị elu n'etiti ndị na-acha uhie uhie na-acha uhie uhie. Site na ijili usoro mpịakọta iji chịkwaa ọka, Elongation ruru ihe karịrị 30%. Na ụlọ ọrụ ọrụ ngwa ngwa ụlọ, a na-eji colhc na-acha uhie uhie na-eji emepụta ụlọ ihe na-ere ere. Ngosipụta ya dị omimi na-ekweta na ọnụego ruru eru nke dị elu na-etolite karịa 98%. Na 2024, oriri nke ihe mkpuchi SPHC na-ekpo ọkụ na mpaghara ụlọ ọrụ ụlọ ga-abawanye site na nde 15% ruo 3.2 tọn 3.2.
Dịka a na-ahụ maka ụgbọala na-apụ apụ, Safh30 rụzuru nguzozi n'etiti ike na isi ike site na ịgbakwunye 0.15% -0.25% carbon na nke Chọpụta boron. Na-arụpụta agbamakwụkwọ batrị nke ọhụrụ, mkpụrụ osisi Saph34 na-ekpo ọkụ nwere ike iguzogide ibu dị egwu karịa 500MPA ma mezuo ihe ndị na-agbado nchịkọta. Na 2023, ọnụ ọgụgụ nke coils na-ekpo ọkụ nke ụdị a ejiri na-eji ụgbọ ala ọhụrụ ụlọ erutela 70% nke usoro owuwu batrị.

Mogosi	Mkpụrụ ikike (MPA)	Elongation (%)	Ọnọdụ ngwa ahụ
Q235b	≥235	≥26	Owuwu na-ewu ewu, igwe mmadụ niile
Q345b	≥345	≥21	Ahịhịa, arịa nrụgide
Sphc	≥275	≥30	Ngwa ụlọ, akụkụ akpaaka
Q960	≥960	≥12	Igwe injin, akụrụngwa dị elu