Gịnị bụ efere ígwè nke nrụgide?
Efere ígwè nke nrụgide na-ekpuchi ọtụtụ ụdị ígwè e mere maka iji na arịa nrụgide, ihe na-ekpo ọkụ, mgbanwe okpomọkụ na arịa ọ bụla ọzọ nwere gas ma ọ bụ mmiri mmiri na nrụgide dị elu. Ihe atụ ndị a ma ama gụnyere silinda gas maka isi nri na maka ịgbado ọkụ, silinda oxygen maka ịgba mmiri na ọtụtụ nnukwu tankị ígwè ndị ị na-ahụ n'ụlọ ọrụ mmanụ ma ọ bụ ụlọ ọrụ kemịkalụ. E nwere ọtụtụ ụdị kemịkalụ na mmiri mmiri dị iche iche nke echekwara ma hazie n'okpuru nrụgide. Ndị a sitere na ihe ndị dị nro dịka mmiri ara ehi na mmanụ nkwụ ruo mmanụ nkịtị na gas eke na ihe ndị na-eme ka ha dị nro ruo asịd na kemịkalụ dị oke egwu dị ka methyl isocyanate. Ya mere, n'ime usoro ndị a, gas ma ọ bụ mmiri mmiri kwesịrị ịdị ọkụ nke ukwuu, ebe ndị ọzọ nwere ya na okpomọkụ dị ala. N'ihi ya, e nwere ọtụtụ ụdị ígwè dị iche iche nke nrụgide arịa nke na-emezu ihe dị iche iche eji eme ihe.
N'ozuzu, enwere ike kewaa ha n'ime otu atọ. E nwere otu ìgwè nke ọkwa ígwè carbon. Ndị a bụ ígwè nkịtị ma nwee ike ịnagide ọtụtụ ngwa ebe enwere obere nchara na obere okpomọkụ. Ka okpomọkụ na nchara na-enwe mmetụta karịa na efere ígwè chromium, a na-agbakwunye molybdenum na nickel iji nye ike ọzọ. N'ikpeazụ ka pasentị nke chromium, nickel na molybdenum na-abawanye, ị nwere efere ígwè anaghị agba nchara nke na-eguzogide ọgwụ nke a na-eji eme ihe dị mkpa na ebe a ga-ezere mmetọ oxide - dịka na ụlọ ọrụ nri na ọgwụ.
Ụkpụrụ nke efere ígwè nke nrụgide
| ASTM A202/A202M | ASTM A203/A203M | ASTM A204/A204M | ASTM A285/A285M |
| ASTM A299/A299M | ASTM A302/A302M | ASTM A387/A387M | ASTM A515/A515M |
| ASTM A516/A516M | ASTM A517/A517M | ASTM A533/A533M | ASTM A537/A537M |
| ASTM A612/A612M | ASTM A662/A662M | EN10028-2 | EN10028-3 |
| EN10028-5 | EN10028-6 | JIS G3115 | JIS G3103 |
| GB713 | GB3531 | DIN 17155 |
| A516 dị | |||
| Ọkwa | Ọkpụrụkpụ | Obosara | Ogologo |
| Klas nke 55/60/65/70 | 3/16" – 6" | 48" - 120" | 96" - 480" |
| A537 dị | |||
| Ọkwa | Ọkpụrụkpụ | Obosara | Ogologo |
| A537 | 1/2" – 4" | 48" - 120" | 96" - 480" |
Ngwa Nrụgide Arịa ígwè
● Efere ígwè A516 bụ ígwè carbon nwere nkọwapụta maka efere arịa nrụgide na ọrụ okpomọkụ dị ala ma ọ bụ nke dị ala.
● A na-agwọ A537 n'ọkụ, n'ihi ya, ọ na-egosipụta ike nrụpụta na ike nrụgide karịa ọkwa A516 nkịtị.
● A na-eji A612 eme ihe maka ngwa ngwa nke arịa okpomọkụ dị ala na nke dị ala.
● E ji ígwè A285 mee efere ígwè maka arịa nrụgide e ji njikọ kpụọ, a na-enyekwa efere ndị a na-etinye n'ọnọdụ a na-akpọgharị.
● Emeela ka TC128-ọkwa B dị mma ma jiri ya mee ihe n'ụgbọala tankị ụgbọ okporo ígwè nwere nrụgide.
Ngwa Ndị Ọzọ Maka Boiler na Pressure Vessels Plate
| ihe na-ekpo ọkụ | ihe na-eme ka kalori | ogidi | nsọtụ e tinyere n'ime efere |
| nzacha | flanges | ihe mgbanwe okpomọkụ | paịpụ |
| arịa nrụgide | ụgbọala tankị | tankị nchekwa | valvụ |
Ike JINDALAI dị n'ụdị ígwè dị elu nke e ji arụ ọrụ n'ụlọ ọrụ mmanụ na gas, ọkachasị n'ụdị ígwè nke na-eguzogide Hydrogen Induced Cracking (HIC) ebe anyị nwere otu n'ime ngwaahịa kachasị ukwuu n'ụwa niile.
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