In acciaio di Grado
301L, S30815, 301, 304N, 310S, S32305, 410, 204C3, 316Ti, 316L, 441, 316, 321, 410S, 410L, 436L, L1, S32304, 314, 347, 430, 309S, 204C2, 425M, 409L, 420J2, 304L, 405, 370, S32101, 904L, 301LN, 429, 304J1, 317L, 201 202 240 200 series