Specifications Gost 17375 elbow Size: from 1/2" to 72" Angles: 45 deg, 90 deg, 180 deg Thickness: according to customer request Standard: gost 17375, gost 30753, Material: carbon steel (seam & seamless) Special design available as the requirements of customer Qualification: iso9001, api, ce, gost certificate Packing : wooden cases & pallets Packaging & delivery Packaging details: Standard steel strip or pvc package according to customer's demand Delivery detail: Within 30days after receiving tt or original lc Contact:Bonnie Xu Email:BonneXu@dlpoctg.com WeChat:13602055205 Skype:BonnieXu22 Tel:+86-13602055205