June. 2015. Steel strips materials（DC03, DC04, DC05, DC06, used as fin of finned tubes
May. 2015. Fin tubes comparisons
Apr.. 2015. Heat resistant pressure-vessel steel tubes
Mar. 2015. welded pipes,ASTM A214, A249. A269, A178, SA789, etc
Feb. 2015. ASTM B677 UNS N08926,DIN1.4529 or 254SMO(S31254)
Jan. 2015. High alloy: AISI TP439 / UNS S43035
Dec. 2015. Austenitic steel grades TP 316Ti, TP321H,TP321
Nov. 2015. UNS N06455 C4
Oct. 2015. alloy 825 = UNS N08810
Sep. 2015. 625 alloy
May. 2015. Stainless steel grades
Apr. 2015. Pipe fittings material
Mar. 2015. Martensitic stainless steel
Feb. 2014. Heat treatments methods
Jan. 2013. Duplex Steel S31803, S32250, S32750, etc.
Dec. 2012. DIN 17175 Seamless Tubes of Heat-resistant Steel
Nov. 2011. Copper alloy ASTM B111, C12200, C70600, C68700, etc.
Oct. 2010. Alloy C-276
Sep. 2009. Boiler tubes ASTM A106, A210, A213, A335, etc.
Aug. 2008. ASTM A519 steel tubes4130 4140, etc.
Jul. 2007. ASTM B359 / B359M - 02(2006) Standard Specification for Copper and Copper-Alloy Seamless Condenser and Heat Exchanger Tubes With Integral Fins
Jun. 2006. ASTM A213 steel tubes,T5, T11, T12, T22, T91
May. 2005. ASTM A199 steel tubes,T5, T11, T12, T22, T91
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