1/4″ carbon steel ball
1/4″(6.35mm) carbon steel ball is one of the most common sizes of carbon steel ball, its used widely in different industries, like low quality bearing, biycle hub, caster wheels,telescopic…
The 6.35mm carbon steel ball is a precision spherical component engineered for durability and reliable performance in demanding mechanical and industrial applications. With an exact diameter of 6.35mm (equivalent to 1/4 inch), this ball bearing offers a standard, versatile size that is widely compatible with various assemblies and mechanisms. Its primary material, carbon steel, provides an excellent balance of high strength, good hardness, and impact resistance, making it suitable for handling significant loads and enduring repetitive stress without deforming.
Grade available:G100,G200,G500,G1000,soft ball available.
Description of carbon steel ball
Material: AISI1010,1015,1020,1045,1085 available.
Sizes: 0.8mm to 3″(76.2mm)
Grades: Tolerances for carbon steel balls are ±0.0005 (grade 100) up to ±0.005 (grade 1000). G100,G200,G500,G1000 available.
Hardness: HRC58-62
Profile
Carbon steel balls Supply High hardness and excellent wear resistance,are an economical alternative to through-hardened precision balls. Carburized outer case, soft core, provides good load capacity, resistance to shock loads and surface wear. Non-heat treated carbon steel soft balls are also available applicated where the ball would need to be welded, modified, or drilled.
Hardness
Soft Carbon steel ball hardness at HRC10-30 deponds on the materials.Carbon steel balls are case-hardened to Rockwell C 60 minimum to provide strength and long life.
Applications:
Carbon steel balls are used in ball bearings to facilitate both linear and radial motion in applications from small equipment to industrial machinery.They provide reliable performance for less expensive anti-friction bearings, steering columns, casters, conveyors and trolleys, roller skates, toys and drawer slides,bicycles, roller skates, slides, trolleys and conveyors,Hinges,BB shot Carbon steel balls are also specified for vibratory finishing, stopper balls and aerosol cans, where ingredient mixing is required
Material composition:
| AISI NO. | C% | Si% | Mn% | P% | S% | Hardness |
|---|---|---|---|---|---|---|
| AISI 1010 | 0.08~0.13 | 0.30Max | 0.50Max | 0.07Max | 0.06Max | Case Hardened |
| AISI 1015 | 0.13~0.18 | 0.10~0.30 | 0.30~0.60 | 0.04Max | Case Hardened | |
| AISI 1045 | 0.43~0.50 | 0.10~0.30 | 0.60~0.90 | 0.04Max | 0.05Max | Through Hardened |
| AISI 1085 | 0.80-0.94 | 0.10-0.30 | 0.70-1.00 | 0.04Max | 0.05Max | Through Hardened |
Carburized Layer Depth:
| Ball Diameter | Minimum Case Depth | Ball Diameter | Minimum Case Depth |
|---|---|---|---|
| 2.0-3.0mm | 0.5mm | 9.5-11.0mm | 1.4mm |
| 3.1-4.5mm | 0.6mm | 11.1-12.5mm | 1.7mm |
| 4.6-5.5mm | 0.8mm | 12.6-14.0mm | 1.8mm |
| 5.6-6.5mm | 0.9mm | 14.1-19.0mm | 1.9mm |
| 6.6-9.5mm | 1.1mm | 19.1-38.0mm | 2.0mm |
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FAQ
We are professional steel ball manufacture with our own independent export right since 1997.
Carbon steel ball, stainless steel balls(ss304, ss316,ss420,ss430,ss440), chrome steel ball are the main products.Size range varies from
0.5mm to 120mm and includes metric and inch sizes, standard ones, oversize and under size
Steel ball are used wides in different industrial areas: bearing accesorries , caster wheels, telescopic parts,bicycles accesorries, toys and chemistry grinding,valves, pump,hardware, military… We are now the leading manufacturers of semi-precision steel balls grade ranage from G10 to Grade 2000 from China. And a regular supplier to some prominent companies all over the world.
Yes,we can customize for you as per steel ball samples or drawings.
T/T.L/C,DP,Western Union,PayPal
7-25days deponds on the order quantity.














