CHIA-CHI PRECISION INDUSTRY.

QUALITY CONTROL

MEASUREMENT

Height gauge

Block Gauge

Micrometer

Spectrometer

Thickness Gauge

Vernier caliper

TOLERANCE :

Ball Sizes: OD & ID:+-0.02mm
Roundness : 0.012~0.02 Max.
Polish: Ra 0.4 Max.

PACKAGING

MILL CERTIFICATE

AISI304/CF8 Stainless Steel Chemical Composition %

Carbon	Chromium	Nickel	Molybdenum	Manganese	Phosphorus	Sulfur	Silicon
0.08%	18%-	8.0%	0.05%	1.5%	0.04%	0.04%	2.0%
Max.	21%	-11%	Max.	Max.	Max.	Max.	Max.

Carbon	Chromium	Nickel	Molybdenum	Manganese	Phosphorus	Sulfur	Silicon
0.08%	18%-	9%	2%-3%	1.5%	0.04%	0.04%	1.5%
Max.	21%	12%	2%-3%	Max.	Max.	Max.	Max.