Okwu mmalite ka e depụtara ọkọlọtọ a dịka iwu enyere na GB/t1.1-2009 si dị.
Standardkpụrụ a na-edochi GB / t21237-2007 obosara na nnukwu efere ígwè maka ọkpọkọ nnyefe mmanụ na gas.Tụnyere GB / t21237-2007, isi mgbanwe teknụzụ bụ ndị a:
- ——- megharịrị oke ọkpụrụkpụ nke 6mm-50mm (lee Isi nke 1, Isi nke 1 nke mbipụta 2007);
- ——- a na-agbanwe nhazi ọkwa, usoro akara akara na koodu;A na-agbakwunye nhazi na koodu ahụ, na usoro ihe ngosi akara na-ekewa n'ime ụdị dị iche iche dịka ọkwa nnyefe dị iche iche (lee Isi nke 3, Isi nke 3 nke 2007 Edition);
- ——- PSL1 na PSL2 ogo akara ule na-agbakwunyere, ika l210 / A na mkpa ụkpụrụ na-agbakwunyere PSL1 àgwà ọkwa;abụọ ika l625m / x90m na l830m / x120m na mkpa ụkpụrụ na-agbakwunyere PSL2 àgwà ọkwa (lee Isiokwu 1, tebụl 2, tebụl 3 na tebụl 4);
- ——- emezigharịla ọdịnaya n'usoro (lee Isi nke 4, Isi nke 4 nke Mbipụta 2007);
- ——- ndokwa na nha, udi, ịdị arọ na ike ekwe ka gbanwetụrụ (lee Isi nke 5, Isi nke 5 nke 2007 mbipụta);A na-emezi ihe mejupụtara kemịkalụ, akụrụngwa na teknụzụ nke ika ọ bụla (Table 2, table 3, table 4, table 1, table 2, table 3 of 2007 Edition);
- ——- ụkpụrụ nke usoro ịgbaze ka agbanweela (lee 6.3, 2007 ụdị 6.2);
- ——- degharịrị ọkwa nnyefe (lee 6.4, 2007 ụdị 6.3);
- ——- ihe ndị agbakwunyere na nha ọka, nsonye na-abụghị ọla na nhazi banded (lee 6.6, 6.7 na 6.8);- gbanwetụrụ ndokwa na elu mma na pụrụ iche chọrọ (lee 6.9 na 6.10, 2007 nsụgharị 6.5 na 6.7);- gbanwetụrụ na usoro ule, nkwakọ ngwaahịa, akara na asambodo ịdị mma (lee Isi nke 9, ụdị 2007, Isi nke 9);
- ——- iwu agbakwunyere maka ịgbachi ụkpụrụ ọnụọgụgụ (lee 8.5);
- ——- Ihe odide ntụkwasị A nke ọkọlọtọ izizi (Mgbakwunye 2007 Edition A) ka ehichapụrụ.Ndị otu China Iron and Steel Industry Association tụpụtara ọkọlọtọ a.akwụkwọ
Ọkọlọtọ a dị n'okpuru ikike nke National Steel Standardization Technical Committee (SAC/tc183).
Idepụta nkeji nke ọkọlọtọ a: Shougang Group Co., Ltd., metallurgical Industry information standard research institute, Jiangsu Shagang Group Co., Ltd., Hunan Hualing Xiangtan Iron na Steel Co., Ltd., Guangzheng Energy Co., Ltd., gangyannake Testing Technology Co., Ltd. na Magang (Group) Holding Co., Ltd.
Ndị isi na-edepụta ọkọlọtọ a: Shi Li, Shen qinyi, Li Shaobo, Zhang Weixu, Li Xiaobo, Luo Deng, Zhou Dong, Xu Peng, Li Zhongyi, Ding Wenhua, Nie Wenjin, Xiong Xiangjiang, Ma Changwen, Jia Zhigang. Ụdị ụkpụrụ nke ọkọlọtọ a dochie anya bụ ndị a:
- ———GB/T21237—1997, GB/T21237—2007
Mpempe ígwè sara mbara na nke siri ike maka pipeline mmanụ na gas
1.Oke
Standardkpụrụ a na-akọwapụta usoro nhazi ọkwa na akara akara, nha, ọdịdị, ịdị arọ, ihe teknụzụ chọrọ, ụzọ nnwale, iwu nyocha, nkwakọ ngwaahịa, akara na asambodo ịdị mma nke efere nchara obosara na nke siri ike maka ọkpọkọ nnyefe mmanụ na gas.
Ọkọlọtọ a na-emetụta efere nchara obosara na nke siri ike (nke a na-akpọkwa ya dị ka efere ígwè) na ọkpụrụkpụ nke 6 mm ~ 50 mm maka mmanụ na mmanụ gas na-ebufe ọkpọkọ emepụtara dị ka iso3183, GB / t9711 na apispec5l, wdg ndị ọzọ. Efere igwe sara mbara na nke siri ike maka nnyefe mmiri na ọkpọkọ ịgbado ọkụ nwekwara ike na-ezo aka na ọkọlọtọ a.
- Ntụaka nkịtị
Akwụkwọ ndị a dị mkpa maka itinye akwụkwọ a.Maka nrụtụ aka ụbọchị, ọ bụ naanị ụdị akara ụbọchị ka emetụtara akwụkwọ a.Maka nrụtụ aka na-akwadoghị, ụdị kachasị ọhụrụ (gụnyere mmezi niile) dị na akwụkwọ a.
GB / t223.5 nchara mkpebi nke silicon soluble acid na mkpokọta silicon ọdịnaya belatara molybdosilicate spectrophotometric usoro.
GB / t223.12 ụzọ maka nyocha kemịkalụ nke ígwè, ígwè na alloy nke sodium carbonate nkewa diphenylcarbazide photometric usoro maka mkpebi siri ike nke chromium ọdịnaya.
GB / t223.16 ụzọ maka nyocha kemịkalụ nke ígwè, ígwè na alloy Usoro chromotropic acid photometric maka ikpebi ọdịnaya titanium.
GB / t223.19 ụzọ maka chemical analysis nke ígwè, ígwè na alloy na neocuproine chloroform mmịpụta photometric usoro maka mkpebi siri ike nke ọla kọpa ọdịnaya.
GB / t223.26 ígwè na alloy mkpebi siri ike nke molybdenum ọdịnaya thiocyanate spectrophotometric usoro.
GB / t223.40 ígwè na alloy mkpebi siri ike nke niobium ọdịnaya chlorosulfonol spectrophotometric usoro.
GB / t223.54 ụzọ maka nyocha kemịkalụ nke ígwè, ígwè na alloy ọkụ atọmịka absorption spectrometric usoro maka mkpebi nke nickel ọdịnaya.
GB / t223.58 usoro maka nyocha kemịkalụ nke ígwè, ígwè na alloy nke sodium arsenite sodium nitrite titration usoro maka mkpebi nke manganese ọdịnaya.
GB / t223.59 nchara na alloy mkpebi siri ike nke ọdịnaya phosphorus bismuth phosphomolybdate blue spectrophotometry na antimony phosphomolybdate blue spectrophotometry.
GB / t223.68 ụzọ maka chemical analysis nke ígwè, ígwè na alloy na potassium iodate titrimetric usoro maka mkpebi nke sọlfọ ọdịnaya mgbe combustion na a tubular ọkụ.
GB / t223.69 ígwè na alloy mkpebi siri ike nke carbon ọdịnaya gas volumetric usoro mgbe combustion na tubular ọkụ.
GB / t223.76 ụzọ maka nyocha kemịkalụ nke ígwè, ígwè na alloy ọkụ atọmịka absorption spectrometric usoro maka mkpebi nke vanadium ọdịnaya.Ụzọ GB / t223.78 maka nyocha kemịkalụ nke ígwè, ígwè na alloy Usoro curcumin kpọmkwem photometric maka ikpebi ọdịnaya boron.
GB / t228.1 ihe ọla kọpa ule tensile nke akụkụ 1: Usoro nnwale ụlọ.
GB/t229 ihe ọla Charpy pendulum mmetụta ule usoro.
GB / t232 ule usoro maka ekwe nke dara ihe.
GB / t247 n'ozuzu ndokwa maka nkwakọ, marking na àgwà akwụkwọ nke ígwè efere na warara.
GB / t709 akụkụ, udi, arọ na ekwe ndiiche nke na-ekpo ọkụ akpọrepu ígwè efere na warara.
GB / t2975 nchara na ngwaahịa nchara - ebe nlele na nkwadebe nke ụdị nnwale maka nnwale akụrụngwa.
GB / t4336 carbon na alloy steels dị ala - Mkpebi nke ọdịnaya dị iche iche - usoro spectrometric spectrometric mwepu atomiki (usoro oge niile).
GB / t4340.1 ihe ọla Vickers siri ike ule Nkebi 1: Ụzọ nnwale.
GB / t6394 metal mkpebi siri ike nke nkezi ọka size.
GB / T8170 iwu maka imechi ụkpụrụ na nkwupụta na mkpebi nke oke ụkpụrụ.
GB / t8363 dobe arọ akwa akwa ule usoro maka ferritic ígwè.
GB / t10561 ígwè – Mkpebi nke ọdịnaya nsonye na-abụghị ọla – gbanwetụrụ Micrographic usoro maka ọkọlọtọ akụkụ.
GB / t13299 usoro nyocha nke microstructure nke ígwè.
GB / t14977 General chọrọ maka ịdịmma elu nke efere igwe na-ekpo ọkụ 1.
GB/T21237-2018.
GB / t17505 General teknuzu chọrọ maka ígwè na ígwè ngwaahịa nnyefe.
GB / t20066 ụzọ nke nlele na nkwadebe sample maka mkpebi nke chemical mejupụtara nke ígwè na ígwè.
GB / t20123 nchara mkpebi siri ike nke ngụkọta carbon na sọlfọ ọdịnaya infrared absorption usoro mgbe combustion na elu ugboro induction ọkụ (usoro oge niile).
GB / t20125 mkpebi siri ike nchara dị ala nke ọtụtụ ihe inductively jikọtara plasma atomic emission spectrometry.
- Nhazi na nnọchite anya ika
3.1Classification
3.1.1 dị ka ogo ogo:
a) ọkwa ogo 1 (PSL1);
b) Ogo ọkwa 2 (PSL2).
Cheta na: PSL2 na-agụnye ihe a chọrọ maka ịba ụba kemịkalụ mejupụtara, n'ibu Njirimara, siri ike, ọka size, na-abụghị metal inclusions, hardness, wdg Ọ bụrụ na ihe ndị chọrọ ọdabara na a akpan akpan larịị PSL egosighi, otu na-emetụta PSL1 na PSL2.
3.1.2 site na iji ngwaahịa:
a) ígwè maka eke gas nnyefe pipeline;
b) ígwè maka mmanụ crude na ngwaahịa mmanụ pipeline;
c) ígwè maka ndị ọzọ na-ebufe mmiri mmiri welded ọkpọkọ.
3.1.3 dị ka ọkwa nnyefe si dị:
a) ikpo ọkụ (R);
b) na-eme ka ọ dị mma ma na-emezigharị mpịakọta (n);
c) igwe na-ekpo ọkụ na-atụgharị (m);d) imenyụ + iwe (q).
3.1.4 dị ka nsọtụ steeti:
a) mbelata ọnụ (EC);
b) enweghị mbelata (EM).
3.2 akara ngosi
3.2.1 nchara akara bụ nke mbụ English leta nke "akara" na-anọchi anya nnyefe pipeline, kpọmkwem kacha nta mkpụrụ ike uru nke ígwè ọkpọkọ na nnyefe ọnọdụ (PSL2 àgwà larịị naanị).
Ọmụmaatụ: l415m.
L - akwụkwọ ozi Bekee mbụ na-anọchite anya "akara" nke pipeline nnyefe;
415 - na-anọchi anya uru ike mkpụrụ kacha nta akọwapụtara nke ọkpọkọ ígwè, otu: MPa;
M — na-anọchi anya na ọkwa nnyefe bụ TMCP.
3.2.2 na mgbakwunye na ịkpọ aha na 3.2.1, a na-enyekwa ụdị ndị ọzọ a na-ejikarị eme ihe na Tebụl 1.
Akara ahụ nwere “X” na-anọchite anya ọkpọkọ ọkpọkọ, uru ike mkpụrụ kacha nta akọwapụtara nke ọkpọkọ igwe na ọkwa nnyefe (naanị ọkwa ogo PSL2).
Ọmụmaatụ: x60m.
X — na-anọchi anya ígwè pipeline;
60-na-anọchi anya uru ike mkpụrụ kacha nta akọwapụtara nke ọkpọ ígwè, otu: Ksi (1ksi = 6.895mpa);
M — na-egosi na ọkwa nnyefe bụ TMCP.
Mara: ike mkpụrụ kacha nta akọwapụtaghị na akararị A na B.
3.2.3 lee Tebụl 1 maka ọkwa nnyefe na akara nke PSL1 na PSL2 ígwè.
3.2.4 rụtụ aka na Ihe Okike A maka tebụl ntụnyere nke akara ọkọlọtọ a na akara ọkọlọtọ dabara adaba.
Oge nzipu: Ọgọst-31-2021