carbon steel ball
material: AISI1010,1015
grade:G500.G1000.G2000
dia:1/4"(6.35mm)
hardness:60hrc

material: AISI:10101015
grade:G500.G1000.G2000
dia:1/4"(6.35mm)
hardness:60hrc

certificate:ISO9001:2008 (the latest edition)

Characteristics:low carbon steel ball,not corrosion resitant,welding capabilities.

 Application:decorative,toy