Welding amperes 3. Refer to the following duty cycle-we operating at 125 amperes? Rated du 300 250 200 150 100 15 20
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- Referring to Table 13-1, answer the following a. What would the range of the feed speed be for an amperage of 150 at 25 volts for an EM70-T 0.035-in. (09-mm) electrode? b. What would the approximate amperage be for an E70T-5 0045-in. (IQ-mm) electrode if it is being fed at a rate of 200 in. per minute (508 cm per minute)?Using Table 10-3, answer the following: a. What should the wire-feed speed and voltage ranges be to weld 1/8-in. (3 mm) metal with 0035-in. (0.90-mm) wire using argon shielding gas? b. What should the amperage and voltage range be using 98Ar+2%O2 to weld 1/4-in. (6-mm) metal with 0.045-in. (1.2-mm) wire?Referring to Table 28-5, what stainless steel filler metal would be selected for welding a. 304L stainless steel to 314 stainless steel? b. 321 stainless steel to 348 stainless steel? c. 316 stainless to mild steel?
- The design below is used for a bridge construction. All parts of the assembly are made of ASTM A36 steel and are welded with an E60 electrode. Under these conditions, the minimum size weld, according to table 20-4, should be: 5/16 3/16 3/8 1/4 1/2 5/8Using Table 10-6, what would the amperage be for 0035-in. (0.9-mm) wire at 200 in./min (5 m/min)?Describe the meaning of each part of the following FCA welding electrode identification: E81T-5.
- Arc welding is an example of non pressure welding. Select one: True False Threading is an example of __________________________________. primary shaping process secondary machining process surface finishing process joining processAssessment 11.0: Welding processes Produce a short report with diagrams (min 300 words) on the jointing of rail using welding techniques including: • Alumino-thermic • Flash butt welding .Discuss the standard location of elements of a welding symbol.