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Table H.2- Materials speclflcatlons for pump parts (continued) Europe International Japan JIS Material Grade ENb IS0 UNSa I No J93380 GX2 Cr Ni Mo N 2674 EN 102134 1 4469 J93404 I J93380 1.4501 X2 Cr Ni Mo Cu WN 2574 EN 1025M S 32 760 ~ EN 100883 I 1.4501 X2 Cr Ni Mo Cu WN 257

USA For shafts, standard grades of 304 and 316 may be substituted in place of low carbon (L) grades
ASTM A 351 Gr CD3MWCuN A 890 Gr 5A A 890 Gr 6A A 182 Gr 55 A 278832760 A 479532760 A 240832760 A 790S32760 A182GrF55 A 276532760 A 276S32760 UNS (unified numbering system) designation for chemistry only. Do not use for shafts in the hardened condition (over 302 HB).

Applications Pressure Castlngs Wrought / Forglngs Bar Stock Plate Pipe Fittings Bolts and Stujs Nuts Special, normally use AlSl 4140. Nitronic 50 or equivalent.

Materlal Class Super Duplex Stainless Steel a " Q PRE =%Cr,