Carbon steels - Study guides, Class notes & Summaries

CWB Level 2 MODULE 8 INTRODUCTION TO METALLURGY & MATERIAL SPECIFICATION RATED A Exam Question Section 3 From the following, select the ferrous metals; a) wrought iron b) copper c) aluminum d) carbon steel e) stainless steel a) wrought iron d) carbon steel e) stainless steel Exam Question Section 3 What is taconite? a) aluminum alloy b) stainless steel c) pig iron d) iron ore e) low alloy steel d) iron ore Exam Question Section 3 Limestone is a fluxing agent that removes impurities to form a...

_____ is the resistance of medal to a force that is acting to pull it apart. -Elastic Limit -Ductility -Yield Strength -Tensile Strength - Tensile Strength _______ of the metal indicates its ability to resist crushing. -Ductility -Compressive Strength -Tensile Strength -Yield Strength - Compressive Strength 6010 is the preferred electrode to use when welding a root pass. True or False? - True A boilermaker mechanic needs 12 lengths of 1/4" membrane. Each Length is to be 12' 7''. ...

Fracture is a type of material failure. Of the following which is another type of material failure? - Permanent deformation. Which of the following statements best differentiates between a defect and a discontinuity? - Discontinuities can propagate and become defects. Nondestructive testing is often differentiated from other measurements or inspection techniques in that: - NDT involves indirect tests related to some other quality or characteristic of material. What are the functions of ...

The system of classification adopted by the SAE and AISI uses and index where the number 7 refers to: a) chromium steels b) nickel chromium steels c) tungsten chromium steels d) plain carbon steels - ANSWER c) tungsten chromium steels Compared to low carbon steel, stainless steel has a lower coefficient of thermal expansion a) True b) False - ANSWER b) False In the production of iron and steel, the blast furnace is the ___________ step in separating the iron from the oxygen ...

CWB Level 2 All Modules Exam - Questions and Answers Fatigue cracks are one of several issues that threaten the life of welded structures. They begin as: A) Minute cracks and then grow under static loads B) Large cracks and then grow without the requirement for load C) Minute cracks and then grow under fluctuating stress D) Large cracks and then grow under static loads Radiographic inspection can be performed with the following types of radiation. A) Ultrasonic and magnetic particle B) Infrare...

Exam 2 ENTC 207Tool Steels - correct answer - Steels that do work to other steels (Working tools) - High alloy and carbon content - Expensive - Made in smaller lots with more controls - Cleanliness extremely critical - Not many made by many companies (limited accessibility Tool Steel Categories - correct answer - Letter and Number - Cold working - Shock Resisting - Hot working - High speed - Mold - Special Purpose Cold Working - correct answer - hardening methods - Prefi...

CWB MOD 22 Welding Metallurgy of Stainless Steels Questions with Verified Answers Exercise Questions Section 1 - 6 1. Complete the following : a) Chromium stabilizes the _________form of iron b) Nickel stabilizes the ______________form of iron a) BCC b) FCC Exercise Questions Section 1 - 6 2. If a straight chromium steel of 18% Cr and < 0.1% C is heated to 1000 Celsius will it transform to austenite or remain as ferrite? Remain as ferrite Exercise Questions Section 1 - 6 3. What is the pre...

Pressure applied inside a pipe creates stress in the pipe wall. These stresses are highest on which weld orientation? longitudinal weld Per B31.3, how much RT is conducted on circumferential welds of a pipe in normal service? 10% for welded pipe, the normal thickness of under-tolerance is? .010 or 10 mils The corrosiveness of soils can be determined by measuring the soils: Resistivity when qualifying a weld procedure the essential variables must: be recorded on both the WPS & PQR In seve...

Exam 2 ENTC 207 Question and answers already passed 2023/2024Tool Steels - correct answer - Steels that do work to other steels (Working tools) - High alloy and carbon content - Expensive - Made in smaller lots with more controls - Cleanliness extremely critical - Not many made by many companies (limited accessibility Tool Steel Categories - correct answer - Letter and Number - Cold working - Shock Resisting - Hot working

CWB Level 2 All Modules Exam - Complete Solutions (Answered) What is the main alloying element in the AISI 200 series? (A) chromium (B) chromium and nickel (C) manganese What is the main alloying element in the AISI 300 series? (A) chromium (B) chromium and nickel (C) manganese Note: Steels in this series are austenitic! What is the main alloying element in the AISI 400 series? (A) chromium (B) chromium and nickel (C) manganese Note: Steels in this series are ferritic or martensitic! When refer...