3mm high chromium steel balls for molds
1) Size: 3mm( according to clients' requirements )
2) Grade: G10
3) Hardness: HRC60-65.
4) Certificate: ISO-9001, TS-16949, ISO14001
5) Roundness: 0.13 - 0.25 Micro Meter
5) Feature: Good wearing, excellent surface quality and high hardness.
6) Application: Bearing, ball screw, linear motion guide, automotive parts, chemical, food processing, ink and paint grinding, caster wheel, slide rail bicycle and car.
Our products are widely used in aviation industry, automobile industry, precision instrument, measuring appliance, motorcyle, bicycle, bearing, medical instrument and food machinery. Simultaneously,
|
Testing Items And Standards |
|
GB/T308-2002 unit: um |
Nominal Diameter : mm |
Hardness(HRC) |
|
|
Grade |
V DWS max |
Ball Form Deviation max |
Surface Roughness Ra max |
V DWL max |
Gauge Interval |
Prefered Gauge |
Subgauge Interval |
Subgauge |
Nominal Diameter D w/mm |
|
|
|
|
|
|
G3 |
0.08 |
0.08 |
0.010 |
0.13 |
0.5 |
-5,^,-0.5,0,+0.5,...+5 |
0.1 |
-0.2,-0.1,0,+0.1,+0.2 |
--- |
30 |
61--66 |
|
|
G5 |
0.13 |
0.13 |
0.014 |
0.25 |
1 |
-5,^,-1,0,+1,^,+5 |
0.2 |
-0.4,-0.2,0,+0.2,+0.4 |
|
|
61--66 |
|
|
G10 |
0.25 |
0.25 |
0.020 |
0.5 |
1 |
-9,^,-1,0,+1,^,+9 |
0.2 |
-0.4,-0.2,0,+0.2,+0.4 |
|
|
61--66 |
|
|
G16 |
0.4 |
0.4 |
0.025 |
0.8 |
2 |
-10,^,-2,0,+2,^,+10 |
0.4 |
-0.8,-0.4,0,+0.4,+0.8 |
|
|
61--66 |
|
|
G20 |
0.5 |
0.5 |
0.032 |
1 |
2 |
-10,^,-2,0,+2,^,+10 |
0.4 |
-0.8,-0.4,0,+0.4,+0.8 |
|
|
61--66 |
|
|
G24 |
0.6 |
0.6 |
0.040 |
1.2 |
2 |
-12,^,-2,0,+2,^,+12 |
0.4 |
-0.8,-0.4,0,+0.4,+0.8 |
|
|
61--66 |
|
|
G28 |
0.7 |
0.7 |
0.050 |
1.4 |
2 |
-12,^,-2,0,+2,^,+12 |
0.4 |
-0.8,-0.4,0,+0.4,+0.8 |
|
|
59--64 |
|
|
G40 |
1 |
1 |
0.060 |
2 |
4 |
-16,^,-4,0,+4,^,+16 |
0.8 |
-1.6,-0.8,0,+0.8,+1.6 |
30 -- 50 |
59--64 |
|
|
G60 |
1.5 |
1.5 |
0.080 |
3 |
6 |
-18,^,-6,0,+6,^,+18 |
1.2 |
-2.4,-1.2,0,+1.2,+2.4 |
50 |
--- |
58--64 |
|
|
G100 |
2.5 |
2.5 |
0.100 |
5 |
10 |
-40,^,-10,0,+10,^,+40 |
2 |
-4,-2,0,+2,+4 |
|
|
58--64 |
|
|
G200 |
5 |
5 |
0.150 |
10 |
15 |
-60,^,-15,0,+15,^,+60 |
3 |
-6,-3,0,+3,+6 |
|
|
58--64 |
|
H. R. T. PRECISION STEEL BALL Co., Ltd. is a leading manufacturer of precision steel balls in China. Products include chrome steel balls, stainless steel balls, ceramic balls, plastic balls and brass ball. Our products and services have won confidence and goodwill among our many customers who require high-precision steel balls.
We supply precision steel balls to various industries in annual capacity of 8, 00, 000, 000 PCS, which cover aviation industry, automobile industry, precision instrument, electronic industry, measuring appliance, motorcycle, bicycle, bearing, medical instrument and food machinery, etc...The H. R. T. Company has a plant covering 1, 000 square meters, allocated with the most advanced machinery and facilities, with the approvals of ISO-9001-2008/ISO14000 and TS-16949. We have the ability, with bearing steel, stainless steel, carbon steel, glass, plastic and copper to manufacture precision balls up to G5, size ranging from 0.5mm to 250mm, especially the high-precision steel balls under 3mm, which have great quality advantages to be used in electronic, chemical, and mechanical industries.
We sincerely hope to build up friendly and long-term cooperation relationship with the customers from all over the world.
For more details on our company and products please feel free to visit our website.
