carbon steel forged flange 1.size:DN15-DN2000 2.material:cs&ss 3. ... ,16k,20k,30k,150# to 2500#,PN6-PN40 carbon steel forged flangesize:DN15-DN2000material:cs&sspressure:5k,10k,16k,20k,30k ... ,150# to 2500#,PN6-PN40carbon steel forged flange 1.Size:DN15 to DN2000,1/2" to 78 ... to our factory and have a business disussion. carbon steel forged flange