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434 stainless steel
Name: Ferritic stainless steel
Standard: AISI, ASTM
Model Number: 434
UNS number: S43400
434 ferritic stainless steel. Containing 12% to 30% chromium. Its corrosion resistance, toughness and weldability increase with the increase of chromium content, and its resistance to chloride stress corrosion is better than other types of stainless steel.
434 chemical composition :
Carbon C: ≤ 0.12，Manganese Mn: ≤1.00，Silicon Si: ≤1.00，Chromium Cr: 16.0~18.0
Nickel Ni2:-，Phosphorus P: ≤0.04，Sulfur S: ≤0.03，Molybdenum Mo: 0.75~1.25
434 (18Cr-1Mo) is a modified steel grade of 430 steel, which is more resistant to salt than 430 steel and is used in automotive exterior materials. Corresponding to the national standard 1Cr17Mo, the Japanese standard SUS434.