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Fillet Weld Types
Fillet Weld Types: The single-fillet-welded T-joints are indicated from both the arrow side and the other side. The symbol for a double fillet-welded T-joint is also Note that the assembly of two T-joints welded pieces involves four fillet welds represented by two double-fillet-weld symbols.
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Standards and Specifications for welding
WELDING INSPECTOR KNOWLEDGES: The Welding Inspector must be a high skilled technician or engineer with a good knowledge of general industry manufacture, materials, quality systems, inspection procedures and Standards and Specifications for welding as: Standard organizations as ASTM, SAE, AISI, AWS, ASME and other institutions; …
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WELDING ELECTRODES AND PREHEAT REQUIREMENTS
The procedure requirements for welding electrodes and preheating temperatures are as follows: Welding must be done with the same process (SMAW or FCAW) used for qualification If the operator has qualified on any of the steel permitted (ASTM A36 and A588), that same operator…
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Weld symbols location
1.1. Location of the Weld with Respect to Joint: a.Arrow Side. Welds on the arrow side of the joint are shown by placing the weld symbols on the side of the reference line toward the reader.
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WELDING SYMBOLS
Elements of Welding Symbols: The first concepts the Welding Inspector must understand very well, are the welding symbols and how to interpret them on drawings. The reference line of the welding symbol, as shown below, is used to designate the type of weld to be…
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Welding of Stainless Steels
Welding of Stainless Steels: General Concepts: Stainless steels, resumed here in a general way, are defined as steel alloys, where the chromium content ranges from 10.5% to 30%. There are five distinct types of stainless steel:
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NDT – Few Other Methods
Here are some rarely used NDT – Few Other Methods 1. Eddy Current Testing – ET: Eddy-current inspection uses electromagnetic induction to detect flaws in conductive materials. A circular coil carrying current is placed in proximity to the test specimen (electrically conductive). The alternating current in…
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Non destructive Testing (NDT)- Common Methods
Non destructive Testing (NDT)- Common Methods are: Visual Inspection – VT Liquid Penetrant Testing – LT Magnetic Particle Testing – MT Radiographic Testing – RT Ultrasonic Testing – UT 1. Visual Inspection – VT: Visual inspection after welding is very useful in evaluating quality, even if…
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