Ferrum carbonis obtegendum (ut WPB, WPL6, 20#, etc.), chalybs immaculata (304/304L,316/316L,321/321H,347,347H), duplex chalybs immaculata (S32205/S31803/S32750/S32760/S31254/S32507,etc.), mixtura chalybe (ut P11-basi-speciale) mixturas, hastelloy, admixtiones titanium, etc., magnis viribus et resistentia gerunt.
ASME B16.11,MSS SP-79, GB/T 14383, HG/T 21634 aliaque signa, Americanae, Europae et nationalis signa sustentant.
