Mpempe akwụkwọ nchara nchara 304 nwekwara akwụkwọ manganese, carbon, slicon, sọlfọ, nitrogen na phosphorus na phosphorus na phosphorus na phosphorus na phosphorus na phosphorus na phosphorus na phosphorus na phosphorus na phosphorus na phosphorus na phosphorus na phosphorus na phosphorus na phosphorus na phosphorus na phosphorus na phosphorus. Ihe a siri ike ma nwee 205MPa opekempe ike na 515MPA opekempe ike tensile n'ozuzu.