ASTM A335 P11/P12 seamless steel pipe 1.Big thickness seamless steel pipe 2. ... 22,273 x 50,377 x 48 ASTM A335 P11/P12 seamless steel pipeShandong Zhongli steel pipe CO.,LTD is branch ... '',8'',10'',12'' SCH40/SCH80/SCH160 Standard :ASTM A335 P11 & P12 For example :219 x 30 ,245 x 22,273 x ... me .You get what you pay for . ASTM A335 P11 /P12 Seamless steel pipe