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ʻO ka Alloy Structural 20CrMnTi 30CrMnTi Iron Round Bar no nā Gears a me nā ʻāpana mechanical -
40Mn 40MnB 20Mn2 Alloy Structural Plain Steel Round Rod No ka Niho Bar -
ʻO S55C High Quality Carbon Structural Steel Round Bar No nā mea paʻa -
20Cr 45Cr 40CrB Alloy Structure Steel Round Bar No nā mea paʻa a me nā pine