27SiMn irin pipe
Apejuwe kukuru:
Iru irin yii ni awọn ohun-ini to dara julọ ju irin 30Mn2 lọ, lile lile, iwọn ila opin lile lile ti 8 ~ 22mm ninu omi, ẹrọ ti o dara, ṣiṣu ibajẹ alabọde tutu ati weldability;Ni afikun, lile ti irin ko dinku pupọ lakoko itọju ooru, ṣugbọn o ni agbara giga pupọ ati wọ resistance, paapaa nigbati omi ba pa;Sibẹsibẹ, irin yii jẹ ifarabalẹ si awọn aaye funfun, ibinu ibinu ati ifamọ igbona pupọ lakoko itọju ooru
