The characteristics of SUS304L and SUS304 and the steel pipe material|chemical composition|performance carbon content are different. SUS304L has all the characteristics of SUS304; excellent corrosion resistance and heat resistance; good corrosion resistance can be maintained after welding or stress relief; deep drawing and polishability are excellent. Used in equipment and equipment in chemical, coal, and petroleum environments with high resistance to intercrystalline corrosion;-outdoor decoration materials, heat-resistant parts and parts with difficult heat treatment. SUS304L carbon content ≤0.03 SUS304 is austenitic basic steel grade, the most widely used: excellent corrosion resistance and heat resistance; excellent low temperature strength and mechanical properties; single-phase austenite structure, no heat treatment hardening phenomenon (non-magnetic, use Temperature -196–800℃). SUS304 carbon content ≤0.08
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