1. Nkenke iwebata S355J0W ígwè efere:
S355J0W bụ European ọkọlọtọ ikuku corrosion na-eguzogide ígwè, nke bụ nke ihu igwe na-eguzogide ígwè efere.Ọ bụ nchara dị ala nke a na-eme site n'ịgbakwụnye ụfọdụ ihe ndị na-emepụta ihe na ígwè nkịtị.Nguzogide corrosion ikuku nke igwe igwe ihu igwe bụ okpukpu 2-8 nke carbon ígwè nkịtị, ọ nwekwara ezigbo ihe eji arụ ọrụ, ihe ịgbado ọkụ, wdg, na ogologo oge, ka ọ na-apụta ìhè mmetụta nguzogide corrosion.
2. S355J0W mma ikuku corrosion na-eguzogide ígwè
A na-agbakwunye ihe ole na ole alloying na ígwè, dị ka P, Cu, Cr, Ni, Mo, iji mee ka iguzogide ikuku na-emebi emebi, na n'okpuru mmetụta nke ọnọdụ ihu igwe, a ga-emegharị oxide na-akpaghị aka na ya. isi metal.
3. Ọkwa nnyefe nke S355J0W:
A na-ebunye ya na ọnọdụ akpọrepu akpọrepu, nke emeziri ma ọ bụ nke ahaziri nke ọma.
Anọ, S355J0W ígwè efere Executive ọkọlọtọ:
S355J0W na-arụ ọrụ EN10025-5: ọkọlọtọ 2004.
5. S355J0W mma ikuku corrosion na-eguzogide ígwè
A na-agbakwunye ihe ole na ole alloying na ígwè, dị ka P, Cu, Cr, Ni, Mo, iji mee ka iguzogide ikuku na-emebi emebi, na n'okpuru mmetụta nke ọnọdụ ihu igwe, a ga-emegharị oxide na-akpaghị aka na ya. isi metal.
6. Ike inye anyị:
1. Dị ígwè efere nkọwapụta nso: ọkpụrụkpụ 8-700mm, obosara 1500-4020mm, ogologo 4000mm-17000mm, unit arọ ruo 30.00 ton.A na-enwetakwa efere ígwè ka ukwuu ma a rịọ ya.
2. Ụdị nke efere ígwè dị: carbon structural steel plates, obere alloy elu-ike ígwè efere, ígwè efere maka àkwà mmiri, ígwè efere maka ihe owuwu ụlọ, ígwè efere maka ụgbọ mmiri na n'ụsọ oké osimiri nyiwe, ígwè efere maka boilers na nrụgide arịa, ígwè efere. efere maka ebu, efere ígwè maka ihe owuwu alloy, E nwere ụdị 12 nke efere ígwè maka mmanụ na gas pipeline, akwa ígwè dị elu na nke siri ike, efere ígwè na-eguzogide corrosion, na efere ígwè mejupụtara, nwere ihe karịrị 300 ụlọ na ụlọ. ụdị mba ọzọ.
3. Dị maka nchọpụta ntụpọ chọrọ, Z15-Z35 ọkpụrụkpụ ntụziaka arụmọrụ chọrọ, ike dị elu na ihe siri ike chọrọ na efere ígwè ndị ọzọ.
4. Enwere ike ịnye ya dị ka ụkpụrụ mba, ụkpụrụ metallurgical, American ọkọlọtọ AISI / ASME / ASTM, Japanese JIS, German ọkọlọtọ DIN, French NF, British BS, European EN, mba ISO na ụkpụrụ ndị ọzọ.
Asaa, S355J0W ígwè efere chemical mejupụtara (smelting analysis) na S355J0W n'ibu Njirimara na n'ibu Njirimara:
C Si Mn PS Ni
≤0.16≤0.5 0.5-1.5≤0.03≤0.025≤0.65
CrMoCuNZrCeqMax
≤0.4-0.8≤0.3≤0.25-0.55≤0.010≤0.15≤0.52
Cheta na 2: Achọrọ akụrụngwa akụrụngwa na-emetụta transverse
Nkọwa ọkwa ọkwa ike Mmụba (Map) Ike tensile (Map) Mgbasa A (%)
S355J0W≤16 ≥355 510-680≥22
16-40≥345 470-630
41-63≥335 470-630
63-80≥325 470-630≥18
80-100≥315 470-630
100-150≥295 450-600
Oge nzipu: Jun-01-2023