SAE1080 bụ igwe nwere carbon dị elu bụ nke American Standard (SAE).

SAE1006 ewepụghị ígwè bụ obere carbon ígwè ihe na elu elongation na ezigbo elu.

Flat mmanya A36 bụ ihe a na-ewu ụlọ, nke a na-ejikarị eme ihe na nkwado, àkwà mmiri, ihe owuwu na ígwè ọrụ.A36 bụ American Standard carbon structural plate, nke kwekọrọ na ASTM A36/A36M-03a.

Flat mmanya ígwè bụ ígwè nwere ogologo cross-ngalaba, na ihe ndị a na-ejikarị gụnyere carbon ígwè nkịtị, alloy steel na igwe anaghị agba nchara. A na-eji ọdịdị nke akụkụ obe ya dị larịị. A na-eji ígwè dị larịị mara ihe eji edo edo, nnyefe dị mfe, yana ọnụ ahịa agafeghị oke, ma na-ejikwa ya n'ọtụtụ ebe.

Galvanized flat steel n'ezie na-ezo aka a 12-300 mm n'obosara, 3-60 mm oké akụkụ nke akụkụ anọ na ubé na tọn ọnụ nke a ígwè, nke a pụrụ iji dị ka okokụre ígwè, kamakwa dị ka a galvanized ọkpọkọ billet na galvanized. ibe, dị ka a okokụre ngwaahịa nwere ike ji mee ihe na mmepụta nke hoops, ngwá ọrụ na ígwè akụkụ, ma ọ bụrụ na-eji na-ewu nwere ike ji mee ihe dị ka a structural so nke etiti na escalators.