[MW:946] RE: 908] Bolting Materials For ASME & PED

EN10269 also has bolt material for low temp application

-----Original Message-----
From: materials-welding@googlegroups.com
[mailto:materials-welding@googlegroups.com] On Behalf Of Bathula
Raghuram (Mumbai - PIPING)
Sent: Thursday, July 10, 2008 9:55 AM
To: PED2000@googlegroups.com; materials-welding@googlegroups.com
Subject: [MW:908] Bolting Materials For ASME & PED

SA320L7/SA194 Gr4 combination also can be used (no matter what raw
material they use, generally it is from SA29, AISI 4140..._), one need
to specify and MDMT and energy requirements while ordering.

Haldor Topsoe spec recommends DIN17290/26CrMo4/1.7219 for -11 to -60
deg.C, may check the equivalents as it is a very old one and the std
might be obsolete now.

Please share other alternate/equivalent standards for LT application

-----Original Message-----
From: PED2000@googlegroups.com [mailto:PED2000@googlegroups.com] On
Behalf Of Rajesh
Sent: Wednesday, July 09, 2008 8:25 PM
To: Process Equipment Design
Subject: [PED:102] Bolting Materials For ASME & PED

Dear All,

Many a times I face a problem of Selecting Bolting Material Impact
tested as per PED ( i.e. with 54J Energy at Lowest Schedule operating
temperature).

Let me know which material is best when I shall be using it for (-) 25
Deg C

As I understand SA193 Gr B7 which is readilly available cannot give
52J below 10 Deg C. EN19 is preferred material for this before Heat
treatment.

If I am correct,SA320 Gr L7 which is gives 52J below -25 Deg C. But
what shall be raw material for this grade before heat treatment.

Regards

Rajesh Bhavsar

--~--~---------~--~----~------------~-------~--~----~
To post to this group, send email to materials-welding@googlegroups.com
To unsubscribe from this group, send email to materials-welding-unsubscribe@googlegroups.com
For more options, visit this group's bolg at http://materials-welding.blogspot.com/
The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
-~----------~----~----~----~------~----~------~--~---

Materails FAQs

Q: What are equivalents for standard Q 235 B (and Q 235 A) for U-channels? (asked by: boris.vielhaber@vait.com) A: DIN Nr. = 2393 T.2, 2394 T.2, EN 10025 W. Nr. DIN 17007 = 1.0038 Design DIN 17006 = RSt 37-2, S235JRG2 (Fe 360 B) Q: What is St DIN 2391 BK material? (asked by: dmcandrews@automaticstamp.com) A: Precision steel tubes, cold-finished/hard. Q: What is C.D.W. Boiler Tube? (asked by: montydude123@yahoo.com) A: Cold Drawn Welded Boiler Tube. Q: WHAT IS W.Nr. 1.4301? PLS TELL US IN EASY LANGUAGUE (asked...

[MW:36169] Cold Bending Qualification

Dear Experts, Can anyone share the inspection requirements or a qualification procedure for cold bending? Our client spec states only the requirements for induction bending and would like to know your opinion on the cold bend inspection requirements. The code of construction is B31.3, Max. 5D bends, A106 SS 316L. Thanks in Advance. -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- You received this message because you are subscribed to the Google Groups "Materials & Welding" group. To unsubscribe from this group and stop receiving emails from it, send an email to materials-welding+unsubscribe@googlegroups.com . To view this discussion visit https://groups.google.com/d/msgid/materials-welding/1be61cc3-e9c9-4a5f-834d-e8485e248432n%40googlegroups.com .

[MW:30043] Weep hole

If weep hole is not provided in dummy pipe before welding What will happen??? -- https://materials-welding.blogspot.com/ https://www.linkedin.com/groups/122787 --- You received this message because you are subscribed to the Google Groups "Materials & Welding" group. To unsubscribe from this group and stop receiving emails from it, send an email to materials-welding+unsubscribe@googlegroups.com . To view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/da251ee6-fa7f-4851-b876-cdb3834ae341%40googlegroups.com .

Materials & Welding

Search This Blog