Premium quality and timely service Orginal from China Cold drawn or hot rolled seamless tube Material: T1, T1a, T1b

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

Outside diameter: 1/2-5in.(12.7-127mm). Wall thickness: 0.035-0.500in.(0.9-12.7mm)

Chemical Composition

Elements	Chemical composition, %
	T1	T1a	T1b
C	0.10-0.20	0.15-0.25	<=0.14
Mn	0.30-0.80	0.30-0.80	0.30-0.80
P, max	0.025	0.025	0.025
S, max	0.025	0.025	0.025
Si	0.10-0.50	0.10-0.50	0.10-0.50
Mo	0.44-0.65	0.44-0.65	0.44-0.65

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ASTM A209 Seamless Carbon and Molybdeum Alloy Boiler Superheater and Heat Exchanger Tube