Thepa e entsoe ka standard ea Amerika e pharaletseng-flange H-beam ka boholo ba ASTM A6.Sehlopha sa tšepe se ka khethoa pakeng tsa ASTM A572 GR50 / GR60, ASTM A992 kapa Q355.Hot-dip galvanizing e kopana le maemo a ASTM A123, ISO1461 le AS/NZS4680.Ha e le hantle, re boetse re thabela ho finyella litekanyetso tse ling tsa boleng le botenya bo fapaneng ba ho roala HDG bakeng sa bareki ba rona, kaha ke moetlo oa rona ho arabela ka potlako litlhoko tsa bareki le ho nka khato hang-hang.Lethathamo la nako e telele la k'hamphani la lintlha tse tloaelehileng tsa WF le phahamisa lithane tse 2000, ho fihlela litlhoko tsa bareki tse potlakileng.