| Ngwaahịa | Ọkụ Sprinkler Steel Pipe |
| Ihe onwunwe | Carbon ígwè |
| Ọkwa | Q195 = S195/A53 Ọkwa A Q235 = S235 / A53 Ọkwa B / A500 Ọkwa A / STK400 / SS400 / ST42.2 Q345 = S355JR/A500 Ọkwa B Ọkwa C |
| Ọkọlọtọ | GB/T3091, GB/T13793 API 5L, ASTM A53, A500, A36, ASTM A795 |
| Nkọwapụta | ASTM A795 sch10 sch30 sch40 |
| Elu | Agba ojii ma ọ bụ ọbara ọbara |
| Akwụsị | Akwụsị larịị |
| Nkwụsị agbatị |
Ụkpụrụ na ihe achọrọ
Akụrụngwa na Nrụpụta: A na-eme ọkpọkọ UL kwadoro site na nchara dị elu nke na-ezute ihe mejupụtara ihe dị iche iche na ihe eji arụ ọrụ.
Ntụle nrụgide: ọkpọkọ ndị a ga-anagide nrụgide dị elu na-ahụkarị na sistemu sprinkler ọkụ.
Nguzogide corrosion: Ụkpụrụ UL gụnyere ule maka nguzogide corrosion iji hụ na ọkpọkọ nwere ike idi gburugburu ebe siri ike.
Nnwale ntapu na ike: Ọkụ na-enweta ule siri ike maka ntapu, ike mgbawa, na iguzosi ike n'ezi ihe.
njirimara
UL Mark: Chọọ akara ngosi UL na ọkpọkọ, nke na-egosi nnabata na ụkpụrụ UL.
Ozi akara: Labelụ na-agụnyekarị aha onye nrụpụta, nha ọkpọkọ, ọkwa nrụgide na nkọwa ndị ọzọ dị mkpa.
Gbasara anyị:
Tianjin Youfa Steel Pipe Group Co., Ltd e tọrọ ntọala na July 1st, 2000. E nwere kpam kpam banyere 8000 ọrụ, 9 ụlọ mmepụta ihe, 179 ígwè anwụrụ mmepụta ahịrị, 3 mba accredited laabu, na 1 Tianjin ọchịchị accredited azụmahịa technology center.
62 ERW ígwè anwụrụ mmepụta ahịrị
Ụlọ ọrụ mmepụta ihe:
Tianjin Youfa Steel Pipe Group Co., Ltd .-No.1 Alaka;
Tianjin Youfa Steel Pipe Group Co., Ltd .-No.2 Alaka;
Tangshan Zhengyuan Steel Pipe Co., Ltd;
Tangshan Youfa Steel Pipe Manufacture Co., Ltd;
Handan Youfa Steel Pipe Co., Ltd;
Ụgwọ nke ụlọ ọrụ Shanxi Youfa Steel Pipe Co., Ltd
