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ngwaahịa

Efere Steel Structural nke ndị na-emepụta China na-eguzogide ihu igwe maka ihe ịchọ mma ụlọ

nkowa nkenke:

Nchara nhazi na-eguzogide ihu igwe bụ igwe na-eguzogide corrosion nke ikuku, nke bụ nke ígwè arụrụ arụ dị elu na-adị ala.Dị ka isi njirimara ya si dị, a na-ekewa ya n'ime nchara nchara dị elu na-eguzogide ihu igwe na igwe na-eguzogide ihu igwe maka ụlọ welded.


Nkọwa ngwaahịa

Mkpado ngwaahịa

Nkọwa ngwaahịa

(1) A elu weathering ígwè

Ngwongwo nhazi nke na-eguzogide ihu igwe dị elu bụ ịgbakwunye obere ọla kọpa, phosphorus, chromium, na nickel na ígwè iji mepụta oyi akwa nchebe n'elu igwe mkpokọta metal iji melite arụmọrụ nke ígwè ahụ megide corrosion ikuku.Ịnwekwara ike ịgbakwunye obere molybdenum, niobium, ihe ndị dị ka vanadium, titanium na zirconium nwere ike ime ka ọka ahụ dị mma, meziwanye ihe eji arụ ọrụ nke ígwè, mee ka ike na ike nke ígwè dịkwuo mma, belata okpomọkụ mgbanwe na-egbuke egbuke, ma mee ka ọ nwee. mma iguzogide kenkuwa mgbaji.

(2) Weathering ígwè maka welded Ọdịdị

Ihe ndị a gbakwunyere na nchara, ma e wezụga maka phosphorus, bụ otu ihe ahụ dị ka igwe na-eguzogide ihu igwe dị elu, ma nwee otu ọrụ dị ka ya, ma melite arụmọrụ ịgbado ọkụ.

Plate ihe nhazi nke na-eguzogide ihu igwe5
Plate ihe nhazi nke na-eguzogide ihu igwe6
Plate ihe nhazi nke na-eguzogide ihu igwe7
Efere igwe na-acha uhie uhie gbara ọchịchịrị4
Ọkachamara weathering ígwè efere oghere5

Ngwa

Iji nnukwu ihu igwe na-eguzogide structural ígwè dị mma karịa ihu igwe na-eguzogide ígwè maka welded Ọdịdị n'ihi na ikuku corrosion eguzogide.A na-ejikarị ya eme ihe maka bolting, riveting na welding structural akụkụ maka ụgbọ ala, arịa, ụlọ, ụlọ elu na ihe ndị ọzọ.Mgbe ejiri ya dị ka akụkụ nhazi welded, ọkpụrụkpụ nke ígwè ekwesịghị ịbụ ihe karịrị 16mm.Igwe na-eguzogide ihu igwe maka ihe owuwu welded nwere arụmọrụ ịgbado ọkụ ka mma karịa nchara nhazi ihu igwe na-eguzogide ihu igwe, a na-ejikwa ya maka akụkụ akụkụ welded maka àkwà mmiri, ụlọ na ihe ndị ọzọ.

Mara: anyị na-enye ahaziri ọrụ, niile ígwè tube ga-dị ka gị imewe na-emepụta ya.

Oke

Ọkwa mgbochi ihu igwe na ndeksi arụmọrụ
Ọkwa ígwè Ọkọlọtọ Ike Mpụta N/mm2 Ike Tensile N/mm2 Mgbatị %
Corten A ASTM ≥345 ≥480 ≥22
Corten B ≥345 ≥480 ≥22
A588 G.A ≥345 ≥485 ≥21
A588 G.B ≥345 ≥485 ≥21
A242 ≥345 ≥480 ≥21
S355J0W EN ≥355 490-630 ≥27
S355J0WP ≥355 490-630 ≥27
S355J2W ≥355 490-630 ≥27
S355J2WP ≥355 490-630 ≥27
SPA-H JIS ≥355 ≥490 ≥21
SPA-C ≥355 ≥490 ≥21
SMA400AW ≥355 ≥490 ≥21
09CuPCrNi-A GB ≥345 490-630 ≥22
B480GNQR ≥355 ≥490 ≥21
Q355NH ≥355 ≥490 ≥21
Q355GNH ≥355 ≥490 ≥21
Q460NH ≥355 ≥490 ≥21
Corten C% Si% Mn% P% S% Ni% kr% Cu% 
≤0.12 0.30-0.75 0.20-0.50 0.07-0.15 ≤0.030 ≤0.65 0.50-1.25 0.25-0.55 
Nha
Ọkpụrụkpụ 0.3mm-2mm (oyi akpọrepu)
Obosara 2mm-50mm (na-ekpo ọkụ akpọrepu)
Ogologo Coil ma ọ bụ dị ka achọrọ ogologo
A na-ahụkarịnha  eriri igwe: 4/6/8/12*1500/1250/1800* Ogologo(ahaziri)
Efere: 16/18/20/40*2200*10000/12000

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