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304 stainless steel Chemical Composition,304 stainless steel Welding

Posted:2015/3/18 1:55:00

304 stainless steel is a T 300 Series Stainless Steel austenitic. It has a minimum of 18% chromium and 8% nickel, combined with a maximum of 0.08% carbon. It is defined as a Chromium-Nickel austenitic alloy.

304 stainless steel Chemical Composition
C .08 Max.
Mn 2.00 Max.
Si .750 Max.
P .040 Max.
S .030 Max.
Cr 18.00/20.00
Ni 8.00/10.50

304 stainless steel Heat Treatment
Solution Treatment (Annealing) - Heat to 1010-1120°C and cool rapidly. These grades cannot be hardened by thermal treatment.

304 stainless steel Welding
Excellent weldability by all standard fusion methods, both with and without filler metals. AS 1554.6 pre-qualifies welding of 304 with Grade 308 and 304L with 308L rods or electrodes (and with their high silicon equivalents). Heavy welded sections in Grade 304 may require post-weld annealing for maximum corrosion resistance. This is not required for Grade 304L. Grade 321 may also be used as an alternative to 304 if heavy section welding is required and post-weld heat treatment is not possible.

304 stainless steel Machining
A "Ugima" improved machinability version of grade 304 is available in bar products. "Ugima" machines significantly better than standard 304 or 304L, giving higher machining rates and lower tool wear in many operations.

katalor as a 304 stainless steel supplier in China , for more information about 304 stainless steel Chemical Composition or 304 stainless steel Welding , please contact us!

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