1- L.T. Anderson, The Benefits of newrength low-alloy steel ,welding journal, P1-25, May 1997.
2- K.E. Easterling, Introduction to thePhysical Metallurgy of Welding. 8ed.(London): Butterworths Monograps in
Materials, 231p, 1995.
3- S. Liu, and J.E. Indacochea, Weldability of Steels, Metals Handbook, 14ed.(Ohio). American Society for Metals.
2006.
4- Linnert, Welding Metallurgy , AWS pub, volume 4. 1999.
5- Materials & Processing Databook ’91.Metal Progress. American Society forMetals, Vol. 234. No. 1 ,2001.
6- E.R. Bueno, “Welding ProcedureDevelopment of the AISI 4140 Steel WithPost-Weld Heat Treatment,” M.Sc. Thesis,
Universidad Federal de Santa Catharine,2004.
7- H. Avener Sideney, introduction tophysical metallurgy.2 Ed,. Mc graw-hill,1994 .
8- American Welding Society (AWS),Structural Welding Steel. Section 3.5.2. pp.58 and 66. Code D1.1/D1.1M:2006.
9- W. Galvery, Industrial press weldingessentials: 2 Ed, oxford university press,2003.
10- A. Aloraier, R.N. Ibrahim, and J.Ghojel, post-weld heat treatment in repairwelding by temper bead technique: role
bead sequence in metallurgical changes. J.Mater. Proc. Techno., 133–134, pp. 390–
398, 2008.
11- B. Irving, The challenge of weldingheat treatable alloy steels. Weld. J., 84(3),pp. 43–48,1999.
12- American Association of StateHighway and Transportation Officials(AASHTO)/AWS D1.5M/D1.5:, Bridge
Welding Code. C-12.14 Preheat and interpass temperature control. 387, 2008.
13- C.E. Nino, “Developing Weld RepairProcedures Specifications With Post weldHeat Treating – Tempering Effects by
Thermal Cycles,” Ph.D. Thesis,Universidad Federal de Santa Catharine,2003.
14- ASTM International, 03.01 E140(Tables 4 and 5): 2009.
15- G.S. Mills, Fundamentals of preheat.Welding Innovation, Vol.XLX, No 2,Australasion award, 2002.