X12CrNiS18-9

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HuaNickel X12CrNiS18-9 stainless steel is a non-magnetic austenitic stainless steel that cannot be hardened by heat treatment. It is a free machining modification of the basic 18% chromium-8% nickel stainless steel.

X12CrNiS18-9Chemical composition:

  Fe Cr Ni C P S Si Mo
Min Bal 17 8 0.15
Max 19 10 0.15 2 1 0.6

X12CrNiS18-9Physical properties:

Density Melting point Thermal conductivity at 212°F
0.290 lb/in³ 2552 °F 113.2(Btu x in)/(hr x ft2 x°F)

X12CrNiS18-9Mechanical properties:

Tensile strength, ksi 70
Yield strength, ksi 30
Elongation 2″, % 35
Area Reduction % 50

X12CrNiS18-9Stainless steel characteristics:

Improved machinability over HuaNickel 304/304L and 316/316L stainless steels

Melt and process to maximize machinability

X12CrNiS18-9Uses of stainless steel:

Conveyor systems

Automatic screw machinery

X12CrNiS18-9Process performance:

Feed and speed:

tool inch velocity,sfpm** Feed, inches/rev
Template Tools (Width) 1% 110 0.0026
1% 105 0.0022
1% 100 0.0019
Box Tool (Depth) 1% 115 0.0065
1% 105 0.0060
1% 100 0.0055
Torsion drill (diameter) 1% 65 0.0045
1% 70 0.0050
3% 75 0.0055
Resizer ½ and under 90 0.0055
½ and under 90 0.0085
Finishing reamers all 35 0.0035
Lap (Cut Thread) 15/30

Relevant standards:

ASTM: A 582, A 314, A 484 AMS: 5640

Detail datasheet