L360 pipeline ígwè omenala nhazi pipeline iga ọkpọkọ
L360 Pipeline Steel, Nzube: API SPEC 5L-2011 (Pipeline Specification), nke American Petroleum Institute mepụtara ma bipụta ya, na-eji ụwa niile.Pipepipe: Iji bufee mmanụ, gas ma ọ bụ mmiri n'ala site na ọkpọkọ gaa na ụlọ ọrụ mmanụ na gas.Ọkpụkpọ ọkpọkọ na-agụnye ọkpọkọ na-enweghị ntụpọ na nke welded ụdị abụọ, njedebe ọkpọkọ nwere njedebe dị larịị, njedebe eri na njedebe oghere;Ụdị njikọ ahụ bụ ịgbado ọkụ njedebe, njikọ hoop, njikọ oghere na ihe ndị ọzọ.Isi ihe nke tube bụ B, X42, X46, X56, X65, X70 na ọkwa ígwè ndị ọzọ.Ụlọ ọrụ anyị gafere asambodo API (API 5CT na API 5L) na Ọgọst 2009.
L360 Pipeline Steel, API SPEC 5L GB/T9711.1 GB/T9711.2 China National Standard Ngwa: Oxygen, mmiri na mmanụ nnyefe ọkpọkọ na mmanụ na eke gas ụlọ ọrụ B, X42, X52, X60, X65, X70 L245 L290 L320 L360 L390 L450 L485
Na mmepe nke pipeline ígwè efere technology na ọganihu nke welded ọkpọkọ akpụ, ịgbado ọkụ technology, ngwa nso nke ọkpọkọ na welded ọkpọkọ na nke nta nke nta ịgbasa, karịsịa na nnukwu dayameta welded ọkpọkọ klas akporo uru ọzọ pụtara ìhè, na-eri ihe. welded ọkpọkọ anọwo na-achịkwa n'ọhịa nke ọkpọkọ ahịrị, nke na-egbochi mmepe nke igwe anaghị agba nchara nchara ahịrị.Na 2004, mmepụta nke pipeline enweghị nkebi bụ ihe dị ka 400,000 t, ọkwa ígwè gụnyere X42-70, na ụdị dị iche iche bụ pipeline na ọdụ ụgbọ mmiri.
Mmepụta nke ọkpọkọ ọkpọkọ ọkpọkọ dị elu na-anabata usoro ọgwụgwọ ikpo ọkụ nke microalloying, ọnụ ahịa mmepụta nke igwe anaghị agba nchara nchara dị elu karịa ọkpọkọ welded, yana mmụba nke ọkwa nchara, dị ka X80 na n'elu ọkwa ọkpọkọ ọkpọkọ ọkpọkọ na carbon kwekọrọ. , usoro a na-emekarị nke ọkpọkọ na-enweghị ihe ọ bụla siri ike izute ihe ndị ọrụ chọrọ;Onye ọ bụla na-emepụta ọkpọkọ alloy 12Cr1moV na-arụ ọrụ nyocha sayensị iji meziwanye nguzogide corrosion nke ọkpọkọ pipeline ya na arụmọrụ kwụsiri ike na ọnọdụ dị ala ma dị elu.
L360 Pipeline Steel, Ihe
L245, L360, A53, J55, N80, X42, X46, X52, X56, X60, X65, X70
L360 Pipeline Steel, nkọwapụta
∮60-630×1.53-40
L360 Pipeline Steel, Mechanical Properties
| ọkọlọtọ | ika | Ike tensile (MPa) | Ike nke mkpụrụ (MPa) | gosiri | elongation (%) | 0 ℃ mmetụta ike Akv (J)
| Ọnọdụ ọgwụgwọ okpomọkụ |
| API SPEC 5L GB/T9711.2 | B | ≥415 | 245-440 | ≤0.80 | 22 | ≥40 | Ọ bụ ọkụ |
| X42 | ≥415 | 290-440 | ≤0.80 | 21 | ≥40 | Ọ bụ ọkụ | |
| X52 | ≥460 | 360-510 | ≤0.85 | 20 | ≥40 | Ọ bụ ọkụ | |
| X60 | ≥520 | 415 ~ 565 | ≤0.85 | 18 | ≥40 | Ọ bụ ọkụ | |
| X65 | ≥535 | 450 ~ 570 | ≤0.90 | 18 | ≥40 | Na-emenyụ + iwe | |
| X70 | ≥570 | 485 ~ 605 | ≤0.90 | 18 | ≥40 | Na-emenyụ + iwe |
L360 Pipeline Steel, Ngwakọta kemịkalụ
| ọkọlọtọ | ika | Ngwakọta kemịkalụ (%) | CEV (%) | |||||||
| C | Si | Mn | P | S | V | Nb | Ti | |||
| API SPEC 5L GB/T9711.2 | B | ≤0.16 | ≤0.40 | ≤1.10 | ≤0.020 | ≤0.010 | - | - | - | ≤0.42 |
| X42 | ≤0.17 | ≤0.40 | ≤1.20 | ≤0.020 | ≤0.010 | ≤0.05 | ≤0.05 | ≤0.04 | ≤0.42 | |
| X52 | ≤0.20 | ≤0.45 | ≤1.60 | ≤0.020 | ≤0.010 | ≤0.10 | ≤0.05 | ≤0.04 | ≤0.45 | |
| X60 | ≤0.21 | ≤0.45 | ≤1.60 | ≤0.020 | ≤0.010 | ≤0.15 | ≤0.05 | ≤0.04 | 协议 | |
| X65 | ≤0.16 | ≤0.45 | ≤1.60 | ≤0.020 | ≤0.010 | ≤0.06 | ≤0.05 | ≤0.06 | ≤0.45 | |
| X70 | ≤0.16 | ≤0.45 | ≤1.70 | ≤0.020 | ≤0.010 | ≤0.06 | ≤0.05 | ≤0.06 | ≤0.45 |
Mara:1.0.015% ≤Altot<0.06%;N 0.012% ma ọ bụ obere;Al/N 2/1 ma ọ bụ karịa;Nwere 0.25% ma ọ bụ obere.0.30% ma ọ bụ obere.Cr 0.30% ma ọ bụ obere;Mo≤0.10% 2.V +Nb+Ti≤0.15 3.X60, X65, X70 Dị ka ekwenyero Mo≤0.35% API SPEC 5L
Ngosipụta ngwaahịa
