A335P92 alloy enweghị nkebi ígwè ọkpọkọ, nkọwapụta 48.3 * 7.14 (ie mpụta dayameta 48.3mm, mgbidi ọkpụrụkpụ 7.14mm), dị ka a elu nsogbu ji esi mmiri ọkụ ọkpọkọ, ya mmejuputa iwu ụkpụrụ bụ ASTM A335M. Ihe a bụ nyocha zuru ezu nke ọkpọkọ ígwè:
I. Nleba anya nke isi nke tubes igwe eji esi mmiri igwe
A335P92 alloy enweghị nkebi ọkpọkọ bụ ụdị elu mma elu okpomọkụ na elu mgbali alloy enweghị nkebi ígwè ọkpọkọ, nke a na-ejikarị na elu okpomọkụ na elu nrụgide gburugburu ebe obibi dị ka isi uzuoku pipeline na reheated uzuoku pipeline nke thermal ike osisi. Ihe ya bụ P92, nke United States ígwè nọmba ASTM A335 P92 martensitic okpomọkụ na-eguzogide ígwè.
Nke abụọ, chemical mejupụtara nke ígwè ji esi mmiri ọkụ Tubes
A335P92 alloy enweghị nkebi ígwè ọkpọkọ kemịkalụ kemịkalụ na-achịkwa nke ọma, tumadi gụnyere carbon, manganese, phosphorus, sulfur, silicon, chromium, molybdenum, vanadium, nitrogen, nickel, aluminum, niobium, tungsten na boron na ihe ndị ọzọ. Usoro ọdịnaya akọwapụtara bụ nke a:
Carbon (C): 0.07 ~ 0.13%
Manganese (Mn): 0.30-0.60%
Phosphorus (P): ≤0.020%
Sulfur (S): ≤0.010%
Silicon (Si): ≤0.50%
Chromium (Cr): 8.5 ~ 9.50%
Molybdenum (Mo): 0.30 ~ 0.60% (ma ọ dị mma ịmara na e jiri ya tụnyere SA-335P91 ígwè, SA-335P92 ígwè n'ụzọ kwesịrị ekwesị na-ebelata ọdịnaya nke Mo element, ma na-eme ka arụmọrụ nke ihe ahụ dịkwuo mma site n'ịgbakwụnye ụfọdụ W)
Vanadium (V): 0.15 ~ 0.25%
Nitrogen (N): 0.03 ~ 0.07%
Nickel (Ni): ≤0.40%
Aluminom (Al): ≤0.04%
Niobium (Nb): ≤0.040 ~ 0.09%
Tungsten (W): 1.5 ~ 2.0%
Boron (B): 0.001 ~ 0.006%
Oke ezi uche dị na ya nke ihe ndị a na-eme ka ọkpọkọ igwe anaghị agba nchara A335P92 nwee oke nguzogide corrosion dị elu, nguzogide oxidation, ike dị elu na ihe na-akpụ akpụ.
3. Mechanical Njirimara nke Steel ji esi mmiri ọkụ Tubes
A335P92 alloy enweghị nkebi ígwè ọkpọkọ nwere magburu onwe n'ibu Njirimara, nke egosiri dị ka ndị a:
Ike nkwụsị: ≥620MPa
Ike mpụta: ≥440MP
Ihe ndị a na-arụ ọrụ na-eme ka nchekwa na ntụkwasị obi nke tubes ígwè na okpomọkụ dị elu na gburugburu ebe nrụgide dị elu.
4. Ngwa ngwa nke Steel ji esi mmiri Tubes
A335P92 alloy enweghị nkebi ígwè ọkpọkọ n'ihi na ya magburu onwe arụmọrụ àgwà, na-ọtụtụ ebe na-esonụ ubi:
Igwe ọkụ na-ekpo ọkụ: dị ka ihe dị mkpa maka isi ụgbọ mmiri na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ, ọ nwere ike iguzogide okpomọkụ dị elu na gburugburu ebe nrụgide dị elu iji hụ na arụ ọrụ nchekwa nke ike ọkụ.
Petrochemical: N'ime nhazi mmanụ ala na mmepụta kemịkalụ, a na-eji ya na-emepụta ngwá ọrụ dị ka reactors, okpomọkụ na-ebufe pipeline iji mezuo ihe ndị a chọrọ nke okpomọkụ dị elu na nrụgide na nkwụsị corrosion.
Ụlọ ọrụ ike nuklia: N'ime ụlọ ọrụ ike nuklia, a na-eji arụpụta sistemu ikuku jụrụ oyi na pipeline metụtara iji hụ na nchekwa na nkwụsi ike nke ọgbọ ike nuklia.
5. Ụkpụrụ mmejuputa iwu na iwu ntụziaka nke ígwè ọkpọkọ ọkpọkọ
Ọkpụkpụ A335P92 alloy enweghị nkebi nchara na-akwado ụkpụrụ ASTM A335/A335M. Mgbe ị na-enye iwu, ozi ndị a kwesịrị ido anya:
Ọnụọgụ (dịka n'ụkwụ, mita ma ọ bụ mgbọrọgwụ)
Akụrụngwa aha (enweghị nkebi alloy steel nominal pipe)
Klas (P92)
Usoro nrụpụta (ịmecha ọkụ ma ọ bụ eserese oyi)
Nkọwapụta (dịka dayameta n'èzí, ọkpụrụkpụ mgbidi, wdg)
Ogologo (nha kewara na nha agbanwe agbanwe)
Ngwucha igwe
Nhọrọ nhọrọ (dịka nrụgide mmiri na ngbanwe ịdị arọ enwere ike ime)
Akuko ule achọrọ
Nọmba ọkọlọtọ
Ihe achọrọ pụrụ iche ma ọ bụ ihe mgbakwunye nhọrọ ọ bụla
Na nchịkọta, A335P92 alloy enweghị nkebi ígwè ọkpọkọ bụ elu-edu elu okpomọkụ na elu mgbali alloy enweghị nkebi ígwè ọkpọkọ, nke a na-eji n'ọtụtụ ebe na ya magburu onwe arụmọrụ àgwà. Mgbe ị na-enye iwu ma na-eji ya, ọ dị mkpa ka ị gbasoo ụkpụrụ na ihe ndị dị mkpa iji hụ na nchekwa na ntụkwasị obi ya.
Nabata ịkpọtụrụ anyị maka nkọwa ndị ọzọ!
https://www.womicsteel.com/news/womic-steel-produced-precision-seamless-cold-drawn-steel-pipestubes/
Oge nzipu: Jul-16-2024