301 Full Hard bụ ígwè anaghị agba nchara austenitic nke dị iche na ụdị 301 ndị ọzọ nke United Performance Metals na-enye n'ihi na a kpọchiri ya oyi ruo n'ọnọdụ siri ike ya niile. … N'ọnọdụ siri ike ya niile, ụdị 301 nwere ike nrụgide nke kacha nta nke 185,000 PSI, yana ike mmepụta kacha nta nke 140,000 PSI.