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Seamless Butt Welding Straight Tee 24”*24” SCH-STD Alloy 200 ASTM/UNS N02200 Seamless Butt Welding Straight Tee 24”*24” SCH-STD Alloy 200 ASTM/UNS N02200 MATERIAL Carbon Steel : ASTM, A234WPB, A234WPC...