| TIPO | ASTM | EN/DIN | 
| Acciaio inox austenitico | 
R403: 
 304, 304 L, 304 H, 304 N, 304 LN 310 S, 310 ORE 316, 316L, 316H, 316N, 316LN 317, 317L 321, 321 ORE 347, 347H, 347LN 304/304L, 316/316L, 317/317L, 321/321 H.  | 
1.4301(X5CrNi1810) 
 1.4306(X2CrNi1911) 1.4301H(X5CrNBi1810H) 1.4311(X2CrNiN1810) 1.4845(X12CrNi2521) 1.4401(X5CrNiMo17122) 1.4404(X2CrNiMo171321) 1.4919(X6CrNiMo1713) 1.4406(X2CrNiMoN17122) 1.4571(X6CrNiMoTi17122) 1.4438(X2CrNIMo18164) 1.4449(X5CrNiMo1713) 1.4541(X6CrNiTi1810) 1,4541H(X6CrNiTi1810H) 1.4550(X6CrNiNb1810) 1.4961(X8CrNiNb16-13)  | 
| Acciaio duplex | 
R815: 
 WPS31803(UNS S31803) WPS32750(UNS S32750) WPS32760(UNS S32760) WPS32205(UNS S32205),  | 
1.4462(X2CrNiMoN22-5-3), 
 1.4410(X2CrNiMoN25-7-4) 1.4501(X2CrNiMoCuWN25-7-4)  | 
| Acciaio inox super | 
R403: 
 N08904(904L) S31254(254SMO)  | 
1.4539(X2NiCrMoCu25-20-5), 
 1.4547(X2NiCrMoCu20-18-7)  | 
| Acciaio legato | 
R234: 
 WP1, WP12, WP11, WP22, WP5, WP9, WP91  | 
1.5423 (16Mo5) 
 1.7335(13CMo44) / 13CrMo4-5 1.7380(10CrMo9-10) 1.7362(12CrMo195) 1.4903 / X10CrMoVNb9-1  | 
| Acciaio al carbonio | 
R234: 
 WPA, WPB, WPC  | 
1.0305 (St35.8)
 /
P235GH(1.0345) 
 1.0405(St45.8) / P265GH(1.0425) 1.0482 (19 Mn5)  | 
| Acciaio per basse temperature | 
R420: 
 WPL3, WPL6, WPL9  | 
1.5837/1.5637(10Ni14)
/
12Ni4 
 1.0488(TSTE285), TSTE355(1.0566)  | 
| Acciaio per tubazioni | 
R860: 
 WPHY42, WPHY46, WPHY52, WPHY60, WPHY65, WPHY70  | 
1.0457(STE240.7) 
 1.0484(STE290.7) / L290NB 1.0582(STE360.7) / L360NB 1.8972(STE415.7) / L415NB  | 
| Metallo non ferroso: Lega di nichel | 
B366: 
 WPNC(UNS N04400 / MONEL400) WPHC22(UNSN06022 / HASTELLOY C22) WPNC1(UNS N06600 / INCONEL 600) WPNCMC(UNS N06625 / INCONEL 625) WP20CB(UNS N08020 / LEGA 20)) WPNIC(UNS N08800 / INCOLOY 800) WPNIC10(UNS N08810 / INCOLOY 800H) WPNIC11(UNS N08811 / INCOLOY 800HT) WPNICMC(UNS N08825 / INCOLOY 825) WPHC276(UNS N10276 / HASTELLOY C276) WPHB-2(UNS N10665 / HASTELLOY B2)  | 
|
| Metallo non ferroso: Lega di alluminio , lega di titanio | 
B361: 
 WP3003(UNS A93003) WP6061(UNS A96061) B363: WPT1, WPT2, WPT3, WPT7, WPT9, WPT11  |