ASTM A333 ASTM A106/A53/API 5L GR.BX46, X52 Q345D, Q345E)
1. Babban manufar bututun ƙarfe mara nauyiASTM A53GR.B, karfe lambar: SA53 B, bayani dalla-dalla: 1/4′-28′, 13.7-711.2mm
2. Bututun ƙarfe mara nauyiASTM A106GR.B don ayyukan zafi mai girma, lambar karfe: SA106B, ƙayyadaddun bayanai: 1/4'-28', 13.7-711.2mm
3. Bututun layi API 5L, Karfe lambar: B, X42, X46, X52, bayani dalla-dalla: 1/4′-28′, 13.7-711.2mm
4.ASTM A106/A53/API 5L GR.B, lambar karfe: B, ƙayyadaddun bayanai: 1/4′-28′, 13.7-711.2mm
5. Sumul low carbon karfe bututu ASTM A179 don zafi Exchangers da condensers, bayani dalla-dalla: 3/4', 1'
6. ASTM A333 m karfe bututu for low-zazzabi aiki tsakanin -40 ℃ da 101 ℃, karfe lambar: GR.A, GR.1, GR.6, GR.7, GR.3, bayani dalla-dalla: 1/4′- 28 ′, 13.7-711.2mm
7. Heat-resistant karfe m karfe bututu (zafi-ƙarfin bututu) DIN17175-1979, tsarin sumul karfe bututuGB/T8162-2008, Karfe lambar: 10#, 20#, 35#, 45#, 16Mn (Q345), bayani dalla-dalla: 6-720*1-70mm
8. Sumul karfe bututu don isar ruwa GB/T8163-2008, karfe lambar: 10 #, 20 #, 16Mn (Q345), ƙayyadaddun: 6-720*1-70mm
9. Ƙananan da matsakaicin matsa lamba tukunyar jirgi bututuGB3087-2008, karfe lambar: 10#, 20#, ƙayyadaddun: 6-720*1-70mm
10.Babban matsa lamba tukunyar jirgi bututu GB5310-2008, Karfe lambar: 20G, ƙayyadaddun bayanai: 6-720*1-70mm