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MSE PRO Milling Media Set for 50 ml 440C SS Planetary Mill Jar– MSE Supplies LLC

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MSE PRO Milling Media Set for 50 ml 440C SS Planetary Mill Jar - MSE Supplies LLC

MSE PRO Milling Media Set for 50 ml 440C SS Planetary Mill Jar

SKU: BA0767

  • £5700
  • Save £700



440C SS Media Set for 50ml Planetary Mill Jars

Contains: 76 pieces 5 mm and 530 pieces 3 mm 440C SS milling media balls for optimal milling.

Product SKU#: BA0767

Polished 440C stainless steel is a high carbon steel with moderate corrosion resistance. 440C stainless steel grinding media balls have the highest strength and wear resistance among all the stainless steel alloys due to its high carbon content. The high wear resistance and strength make it a good choice for milling media, 440C is also used for ball bearings and valve parts. Good resistance to the atmosphere, fresh water, foods, alkalies and mild acids. The corrosion resistance of grade 440C approximates that of grade 304 in many environments. 

General Description for 440C Stainless Steel Grinding Media

CHEMICAL COMPOSITION
CHROMIUM 17%
CARBON 1.1%
MANGANESE 1% 
SILICON 1%
MOLYBDENUM 0.75%
Iron
79.15%
MECHANICAL PROPERTIES
TENSILE STRENGTH 110,000 TO 286,000 PSI
YIELD STRENGTH (@ strain 0.200%) 65300-276000 psi
ELONGATION AT BREAK 2-14 %
BULK MODULUS
24100 ksi
MODULUS OF ELASTICITY 29008 ksi
DENSITY .282 LBS./CU.IN.
HARDNESS (Rockwell B) 97
PHYSICAL CHARACTERISTICS
CORROSION RESISTANCE GOOD
MAGNETIC YES