... A179 specification for seamless cold-drawn low-carbon steel heat-exchanger ASTM A192 specification for seamless carbon steel boiler tubes for high-pressure service ASTM A 210 specification for ... A106,ANSI,ISO9001,DIN,EN,JIS. 1. Specification: SM400A, SM400B, SM490A, SM490B, SM520B, SM520C 2. Standard: JIS 3. Product: Welding strcutural steel plate ...