Nitori ohun elo tonnage nla ti o nilo fun ilana bulging hydraulic tiirin alagbara, irin tee, o ti wa ni o kun lo fun awọn manufacture ti irin alagbara, irin tee pẹlu bošewa odi sisanra kere ju dn400 ni China.

Awọn ohun elo fọọmu ti o wulo jẹ irin carbon kekere, irin alloy kekere ati irin alagbara, irin pẹlu iṣẹ lile lile iṣẹ tutu kekere, pẹlu diẹ ninu awọn ohun elo irin ti kii ṣe irin, gẹgẹbi Ejò, aluminiomu, titanium, bbl

Gẹgẹbi boṣewa iṣelọpọ, o le pin si boṣewa orilẹ-ede, boṣewa itanna, boṣewa omi, Standard American, boṣewa German, boṣewa Japanese, boṣewa Russian, ati bẹbẹ lọ, bi atẹle: GB / t12459, GB / T13401, ASME B16 9, SH3408, SH3409,HG/T21635,DL/T 695,SY/T 0510,DIN 2615.