16CR25N

Heat analysis, mass fractions wt%; Permissible deviations for product chemical composition shall be separately verified according to GB/T222. ; All values in the table are maximum values except for ranges or minimum values; Values in brackets are the maximum values that may be added or allowed to be contained, and are not required to be added. ; Standard for heat-resistant steel bars; a grade name alone does not establish suitability for cold heading or availability as wire; Processing methods and delivery conditions must be specified in the contract. ; In Table 5, the brackets (0.30) for Cu represent the upper limit that may be added or allowed to be contained; N is ≤0.25%, not a minimum value.

GB/T 20878—2007 tabulated chemical-composition mass fractions wt%; Values in parentheses are maximum permitted additions; conditional expressions require manual interpretation against the original text. Ni ≤0.60 and Cu ≤0.30 are maximum permitted additions shown in parentheses. A material-database match does not guarantee cold-heading suitability, actual supply or finished-product strength. GB/T 20878—2007 is a historical edition; This record does not replace verification of the current standard, contract or material applicability.

A match in the materials database does not establish suitability for cold heading or guarantee finished-product strength. Confirmation must consider wire condition, deformation, heat treatment and tests on actual parts.

A match in the materials database does not establish suitability for cold heading or guarantee finished-product strength. Confirmation must consider wire condition, deformation, heat treatment and tests on actual parts.