The package including document as below list: Continue reading ASME BPVC 2021 Set

Related specifications BS 7448 Parts 1- 4 Fracture Mechanics Toughness Tests BS 7910 Guide on Methods for Assessing the Acceptability of Flaws in Metallic Structures. ASTM E1820 Standard Test Method for Measurement of Fracture Toughness.  BS EN ISO 15653 Metallic Materials – Method of test for the determination of quasistatic fracture toughness of welds Applicable CTOD Standards CTOD testing is performed on set of 3 no. of test samples; that are representative of an actual component thickness (B) and is subjected to in-service (representative) loading conditions and minimum design temperature. The test specimen has machined Notch along with a genuine … Continue reading What is CTOD test?

Relevant specifications BS EN 10002 Methods of tensile testing of metallic materials.BS EN 876 Destructive tests on welds in metallic materials – longitudinal tensile test.BS EN 895 Destructive tests on welds in metallic materials – transverse tensile test.BS EN ISO 7500-1 Tension/compression testing machines. verification and calibration of the force measuring system.ASTM A370 Mechanical testing of steel products.ASTM E8 Tension testing of metallic materials.ASTM B557 Tension testing wrought and cast aluminum and magnesium alloy products. In engineering and materials science, a stress–strain curve for a material which showing the relationship between stress and strain of a material section subjected to … Continue reading What is Stress and Strain Curve?

As discussed in our previous article Preheating temperature distance range preheat is really necessary in steel welding to control the cooling rate.  More specifically, preheat is used to slow the cooling rate down in order to prevent excessive hardness in the … Continue reading How to determine preheating exemption in welding?