لوله های آلیاژی بدون درز ASTM A213 T12 لوله های ASTM A213 Gr T22
ASTM A213 T12 Tube is made up of a material composition of carbon, manganese, phosphorus, sulfur, silicon, 0.8% chromium and 0.44% molybdenum minimum. The material has good corrosion resistance, strength and high heat tolerance.