ASTM Q235 Q345 paʻa kila kalapona

He aha nā pōmaikaʻi a me nā pōʻino o ka pā kila kalapona.

ʻO kāna mau pōmaikaʻi:

1. Ma hope o ka mālama ʻana i ka wela, hiki ke hoʻomaikaʻi ʻia ka paʻakikī a me ke kūpaʻa.

2. Ua kūpono ka paʻakikī i ka wā annealing, a maikaʻi ka machinability.

3. He mea maʻamau kona mau mea maka, no laila ua maʻalahi ka loaʻaʻana, no laila,ʻaʻole kiʻekiʻe ka uku hana.

ʻO kāna mau hemahema:

1. ʻAʻole maikaʻi kona paʻakikī wela.Ke hoʻohana ʻia ʻo ia ma ke ʻano he mea paahana, ʻoi aku ka mahana ma mua o 200 degere, a ʻoi aku ka paʻakikī a me ke kūpaʻa ʻana.

2. ʻAʻole maikaʻi kona paʻakikī.Ke hoʻopiʻi ʻia ka wai, mālama mau ʻia kona anawaena ma 15 a 18 mm, ʻoiai ʻaʻole i kinai ʻia, ʻo kona anawaena a me ka mānoanoa he 6 mm maʻamau, no laila ua maʻalahi ia i ka deformation a i ʻole ka haki ʻana.