Ƙarfe maras nauyi Ƙira, Ma'auni da Daraja.

Ana amfani da bututun ƙarfe marasa ƙarfi a cikin masana'antu daban-daban don jigilar ruwa da iskar gas, da kuma aikace-aikacen tsarin.Ana kera su ba tare da wani walƙiya ko ɗinki ba, wanda ke sa su ƙara ƙarfi da aminci.Ƙayyadaddun ƙayyadaddun bayanai, ƙa'idodi, da maki donbututun ƙarfe mara nauyina iya bambanta dangane da takamaiman buƙatun aikace-aikacen.Anan akwai wasu ƙayyadaddun ƙayyadaddun bayanai, ƙa'idodi, da maki don bututun ƙarfe mara sumul:

Bayani:ASTM A106-Takaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun bututun ƙarfe na ƙarfe mara ƙarfi don Sabis mai zafi

1.Wannan ƙayyadaddun yana rufe bututun ƙarfe maras kyau don aikace-aikacen zafin jiki.Ya haɗa da maki daban-daban kamar A, B, da C.

Bayani:ASTM A53-Madaidaicin ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun bututu, Karfe, Baƙar fata da Zazzafan tsoma, Mai Rufe Zinc, Welded da mara kyau.

1.Wannan ƙayyadaddun yana rufewa maras kyau da welded baki da zafi-tsoma galvanized karfe bututu.Ya haɗa da maki daban-daban kamar A, B, da C.

Bayani:API 5L- Ƙayyadewa don Bututun Layi

1.Wannan ƙayyadaddun yana rufe bututun layin ƙarfe mara nauyi da welded don aikace-aikace daban-daban.Ya haɗa da maki daban-daban kamarAPI 5L Daraja B, X42, X52, X60, X65, da dai sauransu.

tantancewa:ASTM A252-Yana ƙayyadaddun buƙatun bututun bututun ƙarfe maras sumul don amfani a aikace-aikacen gini da tsarin.

1.The ASTM A252 ƙayyadaddun ya rufe uku maki na karfe bututu tara: Grade 1, Grade 2, da kuma Grade 3. Kowane sa yana da daban-daban inji Properties, ciki har da m yawan amfanin ƙasa ƙarfi da m tensile ƙarfi, don saduwa da takamaiman aikin bukatun.