He kaiwhakanao motuhake me te kaiwhakarato o nga paipa rino o te raima, he ngongo ranei, me nga taapiri e pa ana ki te galvanized.
Paerewa:Astm A53, Astm A106, e10255, en10219, en10210, en3987, enmm a500, ASTM A344, ASTM 346, ISO 65, DIN 345.1, ASI C80.1
Tohu:A53, A106 Gr.A, Gr.C, Gr.C, S235, S275, S275, S355, A365, A365, Q195, Q235, Q345