AISI 316 and AISI316L Steels

Steel name: AISI 316 and AISI316L
Diagram No.: 4942
Type of diagram: TTS
AISI/SAE designation: AISI 316, AISI 316L
Chemical composition in weight %:
AISI 316: 0.040% C, 0.64% Si, 1.20% Mn, 0.030% P, 0.001% S, 17.22% Cr, 2.00% Mo, 10.59% Ni
AISI 316L: 0.016% C, 0.67% Si, 1.20% Mn, 0.028% P, 0.001% S, 17.20% Cr, 2.07% Mo, 12.02% Ni
Steel group: Stainless steels
Note: Solution annealed: 1100°C/1 h. TTS diagram of experimental steels AISI 316 and AISI316L obtained by oxalic acid etch ASTM A262 practice A test. From the TTS it can be seen that the nose of the C-curve corresponding to the maximum rate of sensitisation occurs at 800°C for AISI 316 in the 0% CW condition. As the degree of CW increases, nose temperature remains almost same but tmin decrease with increase in % CW up to 40% and thereafter remains constant. The TTS diagrams for AISI 316L are shifted towards lesser time and lower temperature than of 0% CW material.
Reference: Not shown in this demo version.

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