Afọ ọhụrụ na-eweta mmalite ọhụrụ. Tianjin Zhengneng Pipe Industry Co., Ltd bụ ụlọ ọrụ ọkachamara na-ejikọta mmepụta pipeline, ahịa na mbupụ. Ihe ndị ụlọ ọrụ na-emepụta gụnyere ọkpọkọ mmiri ọkụ, ọkpọkọ fatịlaịza, ọkpọkọ mmanụ ala na ọkpọkọ arụpụtara.
Ụlọ ọrụ Zhengneng Pipe na-agba mbọ ịnye ọrụ a pụrụ ịdabere na ya na nke bara uru na ngwọta ọrụ nye ndị ahịa na ndị mmekọ gburugburu ụwa, gụnyere ụlọ ọrụ ọkụ ọkụ, mmanụ na gas, nchekwa mmiri, Ngwuputa, ụlọ ọrụ ike na ụlọ ọrụ akụrụngwa. A na-ere ngwaahịa na Ndịda Ebe Ọwụwa Anyanwụ Eshia, Middle East, North America na South America.
Taa, anyị ga-ewebata ngwaahịa isi ụlọ ọrụ anyị. Isi ngwaahịa nke ụlọ ọrụ anyị bụ: Okpokoro ọkpọkọ maka 40%; akara ọkpọkọ maka 30%; Ọkụ Petrochemical maka 10%; ọkpọkọ ndị na-ekpo ọkụ na-ekpo ọkụ maka 10%; Mechanical ọkpọkọ bụ 10%.
Ihe ndị bụ isi gụnyere:
1.Ọkụ ọkpọkọ40%
ASTM A335/A335M-2018: P5, P9, P11, P12, P22, P91, P92;GB/T5310-2017: 20g, 20mng, 25mng, 15mog, 20mog, 12 crmog, 15crmog, 12cr2mog, 12crmovg;ASME SA-106/ SA-106M-2015: GR.B, CR.C; ASTMA210 (A210M) -2012: SA210GrA1, SA210 GrC; ASME SA-213/SA-213M: T11, T12, T22, T23, T91, P92, T5, T9, T21; GB/T 3087-2008: 10#, 20#;
2.eriri eriri30%
API 5L: PSL 1, PSL 2;
3.Petrochemical ọkpọkọ10%
GB9948-2006: 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 20G, 20MnG, 25MnG; GB6479-2013: 10, 20, 12CrMo, 15CrMo, 12Cr1MoV, 12Cr2Mo, 12Cr5Mo, 10MoWVNb, 12SiMoVN b;GB17396-2009:20, 452, 45Mn;
4.ọkpọkọ okpomọkụ10%
ASME SA179/192/210/213 : SA179/SA192/SA210A1.
SA210C/T11 T12, T22.T23, T91. T92
5.Mechanical ọkpọkọ10%
GB/T8162: 10, 20, 35, 45, Q345, 42CrMo; ASTM-A519:1018, 1026, 8620, 4130, 4140; EN10210: S235GRHS275JOHS275J2H; ASTM-A53: GR.A GR.B