ASTM-Shanghai Zhongzeyi Metal Materials Co., Ltd.

Shanghai Zhongzeyi Metal Materials Co., Ltd.

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ASTM A210/ASME SA210 specification covers seamless medium-carbon steel boiler and superheater tubes

Standard Specification for Seamless Carbon-Molybdenum Alloy-Steel Boiler and Superheater Tubes

ASTM A192/A192M specifications covers minimum-wall-thickness, seamless carbon steel boiler and superheater tubes for high pressure service.

ASTM A179 / A179M - 90a Standard Specification for Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes

ASTM a178 / a178M Standard Specification for Electric-Resistance-Welded Carbon Steel and Carbon-Manganese Steel Boiler and Superheater Tubes.

This specification covers two grades of electric resistance-welded steel pipe

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