Oke nke ASTM A106 na ASTM A53:
Nkọwa ASTM A53 na-ekpuchi ụdị nrụpụta ọkpọkọ nchara na enweghị nkebi na welded, ihe dị na carbon ígwè, igwe ojii.Elu eke, oji, na galvanized na-ekpo ọkụ, ọkpọkọ ígwè nwere zinc.Dayameta sitere na NPS 1⁄8 ruo NPS 26 (10.3mm ruo 660mm), ọkpụrụkpụ mgbidi ọnụ.
Nkọwa ọkọlọtọ ASTM A106 na-ekpuchicarbon enweghị nkebi ígwè ọkpọkọ, etinyere maka ọrụ okpomọkụ dị elu.
Ụdị na akara ule dị iche iche maka ọkọlọtọ abụọ:
Maka ASTM A53 enwere ERW na ọkpọkọ igwe anaghị agba nchara Ụdị F, E, S na-ekpuchi ọkwa A na B.
Ụdị A53 F, ọkụ ọkụ welded, na-aga n'ihu weld ọkwa A
Ụdị A53 E, welded ọkụ eletrik (ERW), na ọkwa A na ọkwa B.
A53dị S, ọkpọkọ igwe anaghị agba nchara, na ọkwa A na ọkwa B.
Ọ bụrụ na ihe igwe anaghị agba nchara nke ọkwa dị iche iche na usoro nkedo na-aga n'ihu, a ga-achọpụta nsonaazụ ihe ngbanwe.Na onye nrụpụta kwesịrị iwepụ ihe ntụgharị na usoro ndị nwere ike kewaa akara ule nke ọma.
Ọ bụrụ na ASTM A53 Grade B na ERW (eletrik na-eguzogide welded) ọkpọkọ, a ga-eme ihe mkpuchi ọkụ ahụ na opekempe 1000°F [540°C].N'ụzọ dị otú a, ọ dịghị martensite na-enweghị iwe na-anọgide.
Ọ bụrụ na ASTM A53 B ọkpọkọ na oyi gbasaa, mgbasawanye ekwesịghị gafere 1.5% nke OD achọrọ.
Maka ASTM A106 ọkpọkọ ígwè, ụdị mmepụta naanị na enweghị nkebi, usoro na-ekpo ọkụ na-ekpo ọkụ na-adọrọ adọrọ.Ọkwa nke A, B na C.
ASTM A106 Ọkwa A: Ihe kacha carbon carbon 0.25%, Mn 0.27-0.93%.Ike ntakiri kacha nta 48000 Psi ma ọ bụ 330 Mpa, nye ike 30000 Psi ma ọ bụ 205 Mpa.
A106 Ọkwa B: Kachasị C n'okpuru 0.30%, Mn 0.29-1.06%.Ike ntakiri kacha nta 60000 Psi ma ọ bụ 415 Mpa, nye ike 35000 Psi ma ọ bụ 240 Mpa.
Ọkwa C: Kachasị C 0.35%, Mn 0.29-1.06%.Ike ntakiri kacha nta 70000 Psi ma ọ bụ 485 Mpa, nye ike 40000 Psi ma ọ bụ 275 Mpa.
Dị iche naASTM A53 GR.B igwe anaghị agba nchara,ASTM A106 GR.B igwe anaghị agba ncharanwere Si min 0.1%, nke A53 B nwere 0, ya mere, A106 B nwere nguzogide okpomọkụ ka mma karịa A53 B, ebe Si na-emeziwanye nkwụsị ọkụ.
Mpaghara ngwa nke abụọ:
Abụọ ọkpọkọ etinyere maka sistemụ igwe na nrụgide, na-ebugharị uzuoku, mmiri, gas, na wdg.
Ngwa ASTM A53 Pipe:
1. Mwube, ụgbọ njem n'okpuru ala, mmịpụta nke mmiri ala mgbe ị na-ewu ụlọ, ụgbọ mmiri uzuoku wdg.
2. Nhazi ihe, nhazi akụkụ igwe.
3. Ngwa eletriki: nnyefe gas, mmiri na-emepụta mmiri mmiri mmiri.
4. Igwe ikuku na-eme ka ikuku mgbochi static tube wdg.
5. Pipeline chọrọ mkpuchi zinc.
Ngwa ASTM A106 ọkpọkọ:
Karịsịa maka ọrụ okpomọkụ dị elu nke ruru 750ºF, yana ọ nwere ike dochie ọkpọkọ ASTM A53 n'ọtụtụ oge.N'obodo ụfọdụ opekata mpe na United States, ọ na-abụkarị ASTM A53 bụ maka ọkpọkọ welded ebe ASTM A106 bụ maka ọkpọkọ nchara enweghị nkebi.Ma ọ bụrụ na onye ahịa jụrụ ASTM A53 ha ga-enye ASTM A106.Na China, onye nrụpụta ga-enye ọkpọkọ na-agbaso ụkpụrụ atọ ASTM A53 GR.B/ASTM A106 GR.B/API 5L GR.B igwe anaghị agba nchara.
Oge nzipu: Jul-11-2023