Dị ka alloy, Internal 625 bụ isi nke Nickel, Chromium na molybdenum. Na mgbakwunye na ọla atọ ndị a, a na-agbakwunye ọnụọgụ nke Niubium na alloy. Alloing Metal ọ bụla agaghị eme ka ihe ndị ahụ na-eme ihe ike, kamakwa Njirimara arụ ọrụ ya. N'oge a, mgbakwunye nke Molybdem na Niubium na ASTM B446 Constel 625 Grown Pench na-enyere aka ike altay Matriks ike. Matrix nke Alloy 625 Ogwe na-enye ike tensile na-enweghị iji ike ọgwụgwụ okpomọkụ.