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10 Cards in this Set
- Front
- Back
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Q2 B. Low carbon filler rod |
When fusion welding mild steel, you should use |
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A. Welding rod B. Minimum as welded tensil strength of 60 000 psi |
Using the AWS classification system, describe the r60 rod. |
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All positions |
In what positions can you use the r60 filler rod |
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What is the melting point of the following filler metals |
A 607 B 632 C 641 D 807 |
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Brass is an alloy of mainly copper and ? |
B Zink |
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Braze welding tends to produce less residual stress and distortion |
True |
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Silver brazing alloys are suitable for high impact service |
False |
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It is advisable to match the filler metal to the parent metal whenever possible |
True |
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List three reasons for using flux |
Any of the three are true Prevent oxidizing Remove existing oxide Act as a lubrication to assist metal flow |
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Explain why there is no universal use for oxy-fuel welding |
Fluxes that are suitable for low temperature will not withstand high heats, and do not become fluid at low enough temperature for metals with low melt temperature |
