St37 St52 A214 A178 A53 A423 galvanized welded ọkpọkọ, ERW

St37 St52 A214 A178 A53 A423 galvanized welded Pipe, ERW gosiputara

Nkọwa dị mkpirikpi:

Ngosipụta ngwaahịa:

Ọkụ na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ bụ ime ka ígwè na-agbaze na ígwè matrix mmeghachi omume na-emepụta ihe alloy oyi akwa, nke mere na matriks na mkpuchi oyi akwa jikọtara.Hot galvanizing bụ ígwè ọkpọkọ mbụ, iji wepụ ígwè oxide n'elu nke ígwè ọkpọkọ, mgbe pickling, site ammonium chloride ma ọ bụ zinc chloride ngwọta ma ọ bụ ammonium chloride na zinc chloride ngwakọta tank tank, wee zigara n'ime ọkụ. itinye tankị.Hot-mikpu galvanizing nwere uru nke otu mkpuchi, ike adhesion na ogologo ọrụ ndụ.Mgbagwoju anya nke anụ ahụ na kemịkal na-apụta na ngwọta mgbaze gbazere nke ọkpọkọ nchara galvanized na-ekpo ọkụ na-ekpo ọkụ, na-akpụ ihe na-eguzogide corrosion na zinc-otu oyi akwa ígwè.A na-ejikọta oyi akwa alloy na akwa zinc dị ọcha na matrix ígwè tube, ya mere nguzogide corrosion ya siri ike.

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Nkọwa ngwaahịa

Mkpado ngwaahịa

Usoro bụ

Black tube-alkali ịsacha- -pickling-baking tapawa-mmiri itucha- -mikpu enyemaka- - ihicha- -ọkụ itinye galvanizing - n'èzí ịfụ - - n'ime ịfụ - - ikuku jụrụ - -mmiri jụrụ - -passivation - - ikpocha mmiri - -nyocha - -atụ - - nchekwa.

Ọkụ ígwè welded galvanized maka nnyefe mmiri dị ala

1. Uniformity nke galvanized oyi akwa: ígwè ọkpọkọ sample na-aga n'ihu impregnated na ọla kọpa sulfate ngwọta maka 5 ugboro na-enweghị mbịne red (ọla kọpa plating agba)
2. elu àgwà: elu nke galvanized ígwè ọkpọkọ kwesịrị inwe zuru ezu galvanized oyi akwa, ọ dịghị uncoated nwa tụrụ na egosipụta, na-ekwe ka ịdị adị nke obere ike ike elu na mpaghara zinc tumor.
3. Ibu nke galvanized oyi akwa: dị ka ihe ndị chọrọ chọrọ, galvanized ígwè ọkpọkọ nwere ike ji mee ihe dị ka arọ nha nke zinc oyi akwa, na nkezi uru agaghị abụ ihe na-erughị 500g / square mita, nke ọ bụla sample agaghị adị. erughị 480g / square mita.

Nkọwa ngwaahịa

Ọkwa igwe:	A214 A178 A423 A513 A53/A53M A672 API 5L APE 3PE Q235 Q345 St37 St52
Ọkọlọtọ:	ASME/ASTM SA/A214 A178 A423 A513 A672 A53 A500,A213,A312,A269,A778,A789, GB/T3091 GB/T3094;DIN EN10025;DIN EN10217-2005;BS EN10217;BS EN10219;BS EN10025;
Nkọwapụta:	OD (1/2 ″-60″) ma ọ bụ ahaziri
Wt:	1.0-30mm, ma ọ bụ dị ka ndị ahịa pụrụ iche arịrịọ
Ogologo:	1-20meters, ma ọ bụ dị ka ndị ahịa pụrụ iche arịrịọ
ngwugwu:	Ngwugwu ọkọlọtọ mbupụ
Ọgwụgwụ ọkpọkọ:	(1) Dị larịị (2) Na-ama jijiji (3) Ejikọta ya na okpu plastik
Ihe nchekwa ngwụcha:	(1) Okpu plastik (2) Ihe nchekwa igwe (3) dị ka arịrịọ
Ngwa:	Ewu, igwe Ọdịdị anwụrụ, Agriculture akụrụngwa ọkpọkọ, Mmiri na gas ọkpọkọ, Greenhouse ọkpọkọ, Scaffolding ọkpọkọ, Ụlọ ihe onwunwe tube, ngwá ụlọ tube, ala nsogbu mmiri tube, Mmanụ anwụrụ, wdg
Mill MTC:	Ebutere tupu mbupu
Nyocha:	Enwere ike ịnakwere nyocha nke atọ, SGS, BV, TUV
Ugwu ọdụ ụgbọ mmiri:	Ọdụ ụgbọ mmiri ọ bụla na China
Oge ahia ahia:	FOB, CIF, CFR, EXW, wdg.
Oge ọnụahịa:	TT ma ọ bụ LC na anya
Ọrụ anyị:	Anyị nwere ike ahaziri dị ka ndị ahịa chọrọ ma ọ bụ ịbịaru, nkwakọ ngwaahịa dị ka arịrịọ ndị ahịa si dị