1-material:BS 150LBS stainless steel 304 union. 2-standards:ASTM,DIN,GB,JIS etc. 3- ... union The main products include: seamless steel pipe, straight seam steel pipe, spiral steel pipe, welded steel pipe, elbow, tri -elbow, different-diameter pipe, bebded ... -8805808 Fax:0086-317-5299288 Skype:Ladyjunting BS 150LBS stainless steel 304 union