Carbon Steel Threaded Flange - fittingflange ( China ) - Offers to Sell and Export - Saturday 14 July 2018 3:32 am - carbon steel threaded flange 1 size 1 2 amp #8242 to 88 2 material carbon steel a105 n c22 8 st 37 2 s400 s440 sq235 cs20# a694 a350lf p245gh 3 pressure class...