... PSL1 & PSL 2) 1. Product name: CARBON STEEL, ALLOY STEEL pipes2. Place of Origin: JAPAN, ITALY, WEST ... chemical industry, environment protection, traffic, food industry, medical equipment.9) Standard: Seamless – ASTM A106, API 5L, ASTM ... seaworthy wooden cases, with or without edge protector, steel hoop and seals, or as per customers' requirements11 ... Mechanical machining with seamless steel tube