Waxay ka kooban tahay boolal countersunk, tuubooyinka ballaarinta, weel fidsan, dhaqida guga iyo lawska laba geesoodka ah. Maaddadu waxay u badan tahay birta kaarboon (sida Q235), dhumucda lakabka elektiroonigga ah waa 5-12μm, kaas oo la kulma heerarka ISO 1461 ama GB/T 13912-2002.

Passivation chromate Rainbow (c2C) waxaa lagu sameeyaa iyadoo lagu salaynayo koronto-galvanization si loo sameeyo filim passivation midab leh oo dhumucdiisu tahay 8-15μm. Tijaabada buufinta milixdu waxay socon kartaa in ka badan 72 saacadood iyada oo aan lahayn miridh cad.

Made of Q235 steel carbon iyo walxo kale, dusha waa electro-galvanized, iyo dhumucdiisuna daahan sida caadiga ah waa 5-12μm, kaas oo la kulma shuruudaha daaweynta ka dib ee c1B (zinc buluug-cad) ama c1A (zinc dhalaalaya) ee GB/T 13911-92 heerka.

Daboolka udubku waxay leeyihiin dun labada daraf ah iyo ul qaawan oo dhexda ku yaal, kaas oo loo isticmaalo in lagu xidho taarikada qaro weyn ama dhex galka rakibaadda (Heerka GB/T 901). Qalabka caadiga ah waa 45 # bir ah ama 40Cr, oo leh dusha galvanized ama madow.

Madaxa birta godka heksagon waxa uu leeyahay dalool godka lix geesoodka waxana uu u baahan yahay in lagu adkeeyo furaha godka lix geesoodka (Heerka GB/T 70.1). Qalabka caadiga ah waa 35CrMo ama 42CrMo, daawaynta dushana waxa loo qaybiyaa saddex nooc: Electrogalvanized, Zinc-plated color, iyo zinc-plated madow.

Madaxa birta godka heksagon waxa uu leeyahay dalool godka lix geesoodka waxana uu u baahan yahay in lagu adkeeyo furaha godka lix geesoodka (Heerka GB/T 70.1). Qalabka caadiga ah waa 35CrMo ama 42CrMo, daawaynta dushana waxa loo qaybiyaa saddex nooc: Electrogalvanized, Zinc-plated color, iyo zinc-plated madow.

Madaxa birta godka heksagon waxa uu leeyahay dalool godka lix geesoodka waxana uu u baahan yahay in lagu adkeeyo furaha godka lix geesoodka (Heerka GB/T 70.1). Qalabka caadiga ah waa 35CrMo ama 42CrMo, daawaynta dushana waxa loo qaybiyaa saddex nooc: Electrogalvanized, Zinc-plated color, iyo zinc-plated madow.

Madaxa birta godka heksagon waxa uu leeyahay dalool godka lix geesoodka waxana uu u baahan yahay in lagu adkeeyo furaha godka lix geesoodka (Heerka GB/T 70.1). Qalabka caadiga ah waa 35CrMo ama 42CrMo, daawaynta dushana waxa loo qaybiyaa saddex nooc: Electrogalvanized, Zinc-plated color, iyo zinc-plated madow.

Madaxa boolka gaadhigu waa wareega-wareeg weyn, qoortuna waa labajibbaaran si looga hortago wareegtada (Heerka GB/T 14). Alaabooyinka caadiga ah waa Q235 ama bir aan lahayn, oo leh galvanized ama madow.

Dhalooyinka laba geesoodka ah ayaa ah kuwa ugu caansan ee leh madaxyo laba geesood ah waxaana lagu isticmaalaa looska (Heerka GB/T 5780). Qalabka caadiga ah waa Q235 ama 35CrMo, oo leh sagxadaha galvanized ama madow.

Dhalooyinka laba geesoodka ah ayaa ah kuwa ugu caansan ee leh madaxyo laba geesood ah waxaana lagu isticmaalaa looska (Heerka GB/T 5780). Qalabka caadiga ah waa Q235 ama 35CrMo, oo leh sagxadaha galvanized ama madow.

Dhalooyinka laba geesoodka ah ayaa ah kuwa ugu caansan ee leh madaxyo laba geesood ah waxaana lagu isticmaalaa looska (Heerka GB/T 5780). Qalabka caadiga ah waa Q235 ama 35CrMo, oo leh sagxadaha galvanized ama madow.