ʻO ka paipu kila carbon he paipu kila i hana ʻia mai ke kila kalapona, i hana ʻia me ke kila ingot a i ʻole ke kila pōʻai paʻa ma o ka perforation, a laila hana ʻia e ka ʻōwili wela, ka ʻōwili anu a i ʻole ke kiʻi anu.ʻO ka maʻi kalapona ma kahi o 0.05% a 1.35%.Hoʻokaʻawale ʻia nā paipu hao kalapona i: nā paipu kila maʻemaʻe no ka hoʻohana ʻana i ka hana, nā paipu kila maʻemaʻe no ka lawe ʻana i ka wai, nā paipu kila maʻemaʻe no nā paila haʻahaʻa haʻahaʻa a me ka haʻahaʻa, nā paipu kila maʻemaʻe no nā paila kiʻekiʻe, nā paipu kila maʻemaʻe no ka haki ʻana o ka ʻaila.