Temper-bead welding is a proven repair method which requires no PWHT.
WTIA Australia has this great tech note.
http://www.wtia.com.au/pdf/TGN-PE-02%20Temper%20Bead%20Welding.pdf
From what i can understand all Group 1 Materials (A36)Can be used down to a design metal tempeture of -12'C for 6mm plate thickness and -7'C for 12.5mm plate thickness. Without Impact Testing. (As per Figure 2.1.)As per section 7.2.2 Impact testing of weld metal (Vertical Joints), shall include...
From what i can understand all Group 1 Materials (A36)
Can be used down to a design metal tempeture of -12'C for 6mm plate thickness and -7'C for 12.5mm plate thickness. Without Impact Testing. (As per Figure 2.1.)
As per section 7.2.2 Impact testing of weld metal (Vertical Joints), shall...
I am wanting to create a wps for high tensile 4140 Shaft to mild steel (gr250). For general purpose (low stress applications)
Material is not recommended for welding but can be done through correct HT process.
Is there any standard that covers these materials? And what testing is required...
Thanks kwaliteitshenk,
I will try a colleague at BP.
I have different sequences form various people within our organisation. However like DSB123 pointed out many companies have developed different practices.
I was just curious to know which sequence will work best as this is the 1st tank...
Referring to API 650, Section 5.2.2.1, The tank manufacturer is allowed to set the sequence of welding the floor plates to allow for shrinkage.
What is the best sequence for welding out floor plates?
Should the Shell to Floor be welded out after floor is fully completed? What sections are best...
