What happens during production impact testing? What are the latest ASME code updates? How are lethal chemicals transferred? These are just a few of the questions you'll find answers to in our fabrication blog. Browse and share these articles, and as always, let us know how we can help.
Quarterly Newsletter: Impact Testing (Part 1)
January 18, 2024 ...Read More
Quarterly Newsletter: What Temperature to PWHT a Clad Vessel?
December 14, 2023 ...Read More
![]()
ASME 2021 Code Change: Appendix 47: Person in Responsible Charge
November 4, 2023 The 2021 code edition is mandatory as of January 1, 2022. With this edition comes a few unique changes affecting the requirements for vessel designers. For years, the ASME code has required welders and non-destructive examination technicians to be certified to perform work on ASME code vessels. There were no requirements for the personnel tasked … Continue reading "ASME 2021 Code Change: Appendix 47: Person in Responsible Charge" ...Read More
![]()
Clad Fabrication
November 3, 2023 Explosion-bonded clad material is commonly used for pressure vessel construction. The clad liner (cladder) is explosively bonded to the backer material (backer). The alloy-clad material can be bonded to most metals. The most common types of backer materials are SA-516-70 (P no. 1 material) and SA-387 Gr. 11 (P no. 4 material). During the fabrication … Continue reading "Clad Fabrication" ...Read More
![]()
Production Impact Testing
November 2, 2023 Do you know vessel manufacturers produce Production Impact Test Weld Coupons? Production impact testing is fairly common for vessels with shell walls greater than 1.5” in thickness. Production impact testing ensures that the actual production materials, including weld metal, have the proper toughness requirements to meet ASME Code and applicable specifications that apply to your … Continue reading "Production Impact Testing" ...Read More
![]()
ASME Section VIII, Division 2
October 4, 2023 For many, ASME Section VIII Division 2 is a mystery, for both Fabricators and Mechanical Engineers. Why? Even though it has been around since its creation in 1968, most engineers and fabricators never get to use it. (1) It takes additional certification and a U2 stamp, (2) additional software for ASME Section VIII Division 2 … Continue reading "ASME Section VIII, Division 2" ...Read More
![]()
Gaskets – How do they work and why do we need them? Part 2
October 3, 2023 If you are a fabricator, one of the last things on your list is ordering the gaskets. If you are an Engineer, the last thing on your list is specifying gaskets. If you are an owner and you hare having a problem sealing flanges, the number ONE thing on your mind is gaskets. Many times, … Continue reading "Gaskets – How do they work and why do we need them? Part 2" ...Read More
Quarterly Newsletter: ASME Section VIII Div. 1: Appendix 46 Rules for use of Section VIII, Division 2
October 1, 2023 ...Read More
![]()
Gaskets – How do they work and why do we need them? Part 1
September 30, 2023 If you are a fabricator, one of the last things on your list is ordering the gaskets. If you are an Engineer, the last thing on your list is specifying gaskets. If you are an owner and you hare having a problem sealing flanges, the number ONE thing on your mind is gaskets. Many times, … Continue reading "Gaskets – How do they work and why do we need them? Part 1" ...Read More
![]()
Pressure Vessel Quality Control Requirements – Part 2
September 15, 2023 Understanding what is required for boiler and pressure-vessel manufacturers can help scheduling and cost assessments Material Requirements Materials of construction for the vessel delivered to the manufacturer must be inspected to verify compliance with the Code. For plates, the manufacturer shall verify that the slab number, heat number and material grade marked on the plate … Continue reading "Pressure Vessel Quality Control Requirements – Part 2" ...Read More