1.carbon and alloy steel pipe flanges 2.Material of Q235 , A105 , WP1 , WP9 ect. 3.Type : WN , SO, BL , ... SW , LJ and TH pipe flanges of carbon and alloy steelmaterial of a106 , q235 , wp1, wp9 , st45 accoring to GB ... , BL , SW , LJ and THpacking : panit or any special needtime of delivery : 7--15 days accoring to the quantitypayment: T/T ...