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Steel Aluminum
Question | Answer |
---|---|
Stainless Steel gasses | Argon and Helium |
400 series stainless steel benefit is ___________________ | prevents corrosion at high heat |
Purging gasses for Stainless | Argon, Helium, Nitrogen |
Chromium does what? | creates a protective shield on stainless, it prevents corrosion at high heats |
How much Chromium (Cr) is needed to be Stainless Steel | at least 10% |
Austenitic stainless steel is___________________ | not magnetic, has the highest corrosion resistance and is the most ductile |
500 series steel | is not stainless steel |
Sugaring is caused by? | Oxidation from lack of shielding gas |
Back gas should be used on what materials? | alloy steel, stainless steel, aluminum and copper |
Gas used for aluminum welding? | Helium and Argon |
What is the beginning of material of aluminum | Bauxite |
How much more distortion from heat does stainless steel have over mild steel? | 50% more |
Which series of stainless steel does not need a pre-heat? | 300 series |
Aluminum GMAW is used in ____________________ polarity | DCEP |
Most common filler metal for Aluminum | ER 4043 |
Aluminum GMAW drive rolls are _________________ | U-groove |
Aluminum GTAW polarity is _________________ | High Frequency alternating Current (AC) |
What is the maximum safe preheat temperature for Aluminum? | 66 degrees Celsius |