Monday, May 14, 2018

[MW:27842] What is the tempering temperature followed to meet mechanical properties of CA15 castings-reg

Dear friends,

We have been procuring ASTM A 217-CA15 castings form foundries. While checking raw material certificate the hardness and mechanical values are not meeting the ASTM A 217 –CA15 standard, our requirement of hardness = 250-300 BHN, T.S = 620-795MPa, YS=450MPa minimum, while enquiring the foundry they told that 260-270 HBW will be achieved but TS & YS could not achieved. Can you help us what is the tempering temperature to be followed to achieve the required hardness & mechanical properties? Kindly do the needful.   

 


Regards,
Sankaran.SP
Welding & Metallurgy expert


By -

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)

Re: [MW:35506] WPS for Furnace PWHT

Dear Sir, I am not clear about the question. Is the question is "The welding is done without following a WPS having  PWHT and actually ...

  • Materails FAQs
    Q: What are equivalents for standard Q 235 B (and Q 235 A) for U-channels? ...
  • RE: [MW:5585] Buttering of weld joints
    Definition of buttering from ASME Section IX, QW/QB-492 Definitions:   Buttering:  the addition of material, by welding, on one or bot...
  • WELD AND WELDING SYMBOLS
    Section I. PRINT READING 3-1. GENERAL a. Drawings . Drawing or sketching is a universal language used to convey all necessary information to...