Page 2 - SA 316
P. 2

Impact values

                                           °C     -269*   -196   +20    (°C)   450   550   650   700   750   800   850
                                           °F     -452*   -320   68     (°F)   842  1022  1202  1292  1382  1472  1562
                                       KCV (J/cm²)
                                         Minimum   75   125   187     Ageing H  2000  2000  2000  2000  500   500   500
                                       KCV (J/cm²)                     KCU
                                         Typical   125   250   312     J/cm²   230  245   155   140  140   145   165
                                            * optimized heats with extra low ferrite


                                                        3
         PHYSICAL                     Density : 7950 kg/m

         PROPERTIES                    Interval   Thermal                     Thermal   Specific   Young   Shear
                                        Temp   expansion   °C   °F   Resistivity   conductivity   heat  -1  modulus  modulus
                                                                                                           G
                                                                                                   E
                                                   6
                                                                                 -1
                                                                                   -1
                                                                                           -1
                                         °C
                                       20-100   x10- K-1   20   68   (µ cm)   (W.m .K )   (J.kg .K )   (GPa)   (GPa)
                                                                                15
                                                                                                   200
                                                  16
                                                                     75
                                                                                                           77
                                                                                          500
                                       20-200    16.5   100   212    80        17.5       500      194    70.5
                                                                                                           74
                                                                                16
                                       20-300
                                                                                                   186
                                                        200
                                                  17
                                                                     85
                                                              392
                                                                                          520
                                       20-400    17.5   300   572    92         19        530      172    66.5
                                                                     95
                                         20-500   18    400   752    100       20.5       540      172    62.5
                                                        500
                                                                                                   165
                                                                                          540
                                                                                22
                                                              932
                                                                                                          59.5
                                      Magnetic permeability : 1.015 to 1.050 (skin)

         CORROSION                          Quality corrosion tests guaranteed (special request may be discussed)
         RESISTANCE                          TEST           Other name       Corrosion (1)        Results
                                                                                              Step of dual structure
                                          ASTM A 262 A                        Intergranular
                                          ASTM A 262 B      STREICHER         Intergranular    1mm/year (not sensitived)
                                          ASTM A 262 C         HUEY           Intergranular     < 0,6 mm/year*
                                          ASTM A 262 E       STRAUSS          Intergranular   No cracking after bending
                                         DIN 50914 RCCM
                                                                                               Not recommended
                                           ASTM G48A                            Pitting
                                                                                               (typical CPT 5°C)
                                                                                               Not recommended
                                           ASTM G48B         ASTM G78          Crevice
                                                                                               (typical CCT 5°C)
                                                   (1) kind of corrosion mechanism investigated   *using low ferrite grade


                                       600   Time to fracture, h               100 °C CPT, +300 mV/SCE   °F  210
                                                                                          Pitting
                                       500
                                                                               80
                                       400     AISI   AISI
                                               304L  316L                      60            AISI 316L   140
                                       300
                                                                               40                        105
                                       200
                                                                                    AISI 304L             68
                                       100                                     20
                                                                                    No Pitting
                                                                               0  0.01  0.02  0.05 0.1  0.2   0.5  1.0  2.0
                                          0,0   0,2   0,4   0,6   0,8   1,0
                                         Stress/tensile strength 100°C (210°F)                   Cl   , weight -%
                                                                                                   -


                                      Fig 1 - Results of SCC test with constant load in  Fig 2 - Critical pitting temperatures (CPT) for AISI
                                      40% CaCl 2  at 100°C (210°F) with aerated test  304  and  AISI  316  at  varying  concentrations  of
                                      solution                           sodium chloride (potentiostatic determination at +300
                                                                         mV/SCE) pH   6.0
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