Cov pa roj carbon steel yeeb nkab yog cov yeeb nkab steel uas tsim los ntawm cov hlau, uas yog ua los ntawm cov hlau ingot lossis cov hlau puag ncig los ntawm perforation, thiab tom qab ntawd ua los ntawm kub dov, txias dov lossis txias txias. Cov ntsiab lus carbon yog li 0.05% mus rau 1.35%. Cov pa roj carbon steel kav feem ntau muab faib ua: seamless steel kav rau kev siv cov qauv, seamless steel kav rau conveying kua, seamless steel kav rau qis thiab nruab nrab siab boilers, seamless steel kav rau siab boilers, seamless steel kav rau roj tawg.