I. Kedu ihe bụAPI5L
1. API5L-B pipeline ígwè, Ẹkot L245 ika Wuyang Iron na ígwè, L245 bụ nke ala alloy usoro, price bụ dịtụ elu, price nke dị iche iche ihe abụghị otu, tumadi ji mmanụ pipelines, eke pipelines, wdg, bụ a ala mgbali mmiri eriri igwe ọkpọkọ, ya arụmọrụ na 20 # enweghị nkebi ọkpọkọ fọrọ nke nta.
2. Ihe bụX52 ọkwa ọkpọkọ ọkpọkọ ígwèígwè ahịrị, nke bụ ụdị ígwè nwere ihe pụrụ iche a chọrọ iji bufee mmanụ na pipeline gas. Dabere na ọkpụrụkpụ na n'usoro n'usoro, enwere ike imepụta ya site na igwe igwe na-akpụgharị ọkụ na-aga n'ihu, igwe igwe na-akpụgharị ọkụ ma ọ bụ igwe ihe igwe na-ajụ oke ma guzobe ya na ọkpọkọ nchara buru ibu site na ịgbado ọkụ ma ọ bụ UOE kwụ ọtọ.
3. Ọkpụkpụ ígwè na-enweghị ntụpọ ma ọ bụ welded, ọkọlọtọ bụAPI 5L (paịpụ ọkpọkọ) PSL2bụ otu n'ime akara ule, nke ọzọ bụ PSL1 ma e jiri ya tụnyere, PSL2 chọrọ dị elu karịa PSL1API 5L bụ pipeline pipe nkọwapụta nke American Petroleum Institute mere, B bụ otu n'ime pipeline ígwè akara ule.
II. ọkọlọtọ API5L
1.API5L ọkọlọtọ, ọnụ ọgụgụ nke nkwonkwo nke ígwè PIPE na PIPE WLD 10 "SCH STD API5L ASTM A106 GRB enweghị nkebi ígwè ọkpọkọ n'otu akụkụ agaghị agafe 50% nke ọnụ ọgụgụ nke ọkpọkọ. Tupu echichi, ọkpọkọ wụsara ga-ekpochapụ na hichaa oghere nke drill ma ọ bụ nnukwu nrụgide ikuku iji wepụ ihe scture na oghere (na oghere ga-adị ntakịrị karịa 50%). 127cm) na-emezu ihe achọrọ ma gbochie nkwụnye oghere.
2. Cr: ≤025 Nickel Ni: ≤030 Copper Cu:≤025 Mechanical Njirimara: Tensile ike nke sigma b (MPa) : 560 (57) ma ọ bụ elu mkpụrụ ike sigma s (MPa): 335 (34) ma ọ bụ elu elongation delta (%) : acuity 1 mbelata 4 mpaghara (%) : mmetụta dị elu nke 1 n'akụkụ nke 5. Akv (J): 55 ma ọ bụ karịa mmetụta siri ike ụkpụrụ nke alfa kv (J/cm2).
3.API 5L ọkọlọtọ ekpuchi mmepụta chọrọ nke pipeline ígwè, karịsịa maka tensile ike, mkpụrụ ike, ụlọ okpomọkụ mmetụta siri ike, elongation na ezumike, wdg Dị ka ụdị pipeline ígwè, API 5L na-ekewa n'ime n'ozuzu ígwè ọkpọkọ na pụrụ iche ígwè ọkpọkọ, n'etiti nke general ígwè ọkpọkọ kewara n'ime nkịtị ígwè ọkpọkọ na elu ike ígwè ọkpọkọ, API 5L ọkọlọtọ na-ekpuchikwa pipeline mmepụta usoro.
III, kedu ihe API5Lgrb
1. API 5LGRB enweghị nkebi ma ọ bụwelded ígwè anwụrụ, ọkọlọtọ bụ API 5L (petroleum pipeline pipe), PSL2 bụ otu n'ime ọkwa, ndị ọzọ larịị bụ PSL1 tụnyere, PSL2 chọrọ dị elu karịa PSL1API 5L bụ pipeline pipe nkọwapụta mepụtara American Petroleum Institute, B bụ ụdị pipeline ígwè ọkwa.
2.ASME SA517, ASTM A517 mgbali ụgbọ mmiri gbanyụrụ na tempered elu ike alloy steel efere ASME SA517/SA517M ọkọlọtọ gụnyere: SA517GrA, SA517GrB, SA517GrH, SA517GrS, SA517GrP, SA517GrF, SA517GrF, SA517 Ọkọlọtọ ASTM A517/A517M gụnyere: A517GrA,.
3. NnwetaAPI 5L PSL2ọkọlọtọgburugburu ígwè anwụrụGrB-X70 Outer dayameta 219-3650 mm Ndewo, anyị na-emepụta ọkpọkọ spiral maka afọ 24, anyị na-atụ anya ka anyị nwee ohere iji kwado gị.
Oge nzipu: Eprel-14-2023