15.875/16/16.669/17/17.463/18.256/19/19.05/19.844mm AISI316L/304/316/420/440/440c Stainless Steel Ball

Negotiable 1 Piece (MOQ)
Min. Order:
1 Piece
Port:
Qingdao, China
Production Capacity:
500tons One Month
Payment Terms:
L/C, T/T, Western Union, Paypal, Money Gram

Last Login Date:

May 23, 2025

Business Type:

Manufacturer/Factory, Trading Company

Main Products:

Stainless Steel Ball, Carbon Steel Ball, Hollow Steel Balls, Bearing Steel Ball, Half Steel Ball, Steel Shot, Steel Grit, Silicone Bouncing Ball, Grinding Ball

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Product Description

Company Info

Basic Info.

Model NO.
15.875mm 5/8"
Customized
Customized
Certification
CE, ISO
Standard Parts
Yes
Universal
Yes
Type
Bearing Ball
Material
Stainless Steel
Stainless Type
Ss201 SS304 SS316 Ss440 Ss420
Hardness
HRC10-HRC65
Grade
G10 -G2000
Application
Bicycle Parts, Cosmetic, Bearing, Toys Ect
Trademark
SDE
Transport Package
Carton or Steel Drum, Wooden Box
Specification
0.5mm-200mm
Origin
Shandong, China
HS Code
84829100

Product Description

 Stainless Steel Ball
Basic Information
Material201 304 316 420C 440C
Metric Size0.4mm - 100mm
Inch Size1/64" - 4"
Precision GradeG100 G200 G500 G1000 G2000

Mechanical Properties
 201304316420C440C
Density
g/cm3
7.857.957.957.707.75
Hardness
HRC
25 - 3910 - 3910 - 3952 - 6057 - 65
Tensile Strength
PSI×103
100 - 18072 - 18880 - 180250 - 275275 - 290
Young's Modulus
GPa
200200200205210

Chemical Composition
 201304316420C440C
%C0.150 Max0.080 Max0.080 Max0.43 - 0.500.95 - 1.20
%Si1.00 Max0.75 Max1.00 Max1.00 Max1.00 Max
%Mn5.50 - 7.502.00 Max2.00 Max1.00 Max1.00 Max
%P0.060 Max0.045 Max0.045 Max0.040 Max0.040 Max
%S0.030 Max0.030 Max0.030 Max0.030 Max0.030 Max
%Cr16.00 - 18.0018.00 - 20.0016.00 - 18.0012.50 - 14.5016.00 - 18.00
%Ni3.50 - 5.508.00 - 10.5010.00 - 14.00--
%N0.250 Max0.100 Max---
%Mo--2.00 - 3.00-0.75 Max

International Standards
 201304316420C440C
USAAISI201AISI304AISI316AISI420CAISI440C
JAPSUS201SUS304SUS316-SUS440C
UK201S01304S15316S16--
CHN1Cr17Mn6Ni5N0Cr18Ni90Cr17Ni12Mo24Cr139Cr18Mo
RUS14Ch18N4G4L08KH18N1008KH16N11M340Kh1395X18
ITA-X5CrNi18-10X5CrNiMo1712X46Cr13X105CrMo17
FRAZ12CMN17-07AzZ7CN18-09Z6CND17.11Z34C14Z100CD17
GER1.43721.43011.44011.40341.4125

Feature
201: Cr-Mn stainless steel balls, with properties similar to AISI 302/304 balls (slightly higher mechanical characteristics). Balls are provided in the passivated condition.

304: Unhardened austenitc stainless steel balls, they display good mechanical characteristics, toughness and corrosion resistance. AISI 304L provides lower carbon content, AISI 302 better mechanical characteristics. Balls are provided in the passivated condition.

316: Austenitic stainless steel balls with higher corrosion resistance than AISI 304 balls. They show good toughness. AISI 316L has a lower carbon content (maximum 0,030%). Balls are provided in the passivated condition.

420C: Martensitic hardened stainless steel balls, they feature good hardness, corrosion resistance, wear and abrasion resistance. Balls are provided in the passivated condition.

440C: Martensitic hardened stainless steel balls, they feature remarkable hardness, wear resistance, surface finishing, narrow dimensional tolerances. For that reason this type of steel is frequently used in precision devices. Balls are provided in the passivated condition.


Corrosion Resistance
201: Similar to the corrosion resistance of AISI 302/304 materials.
304: Very good corrosion resistance with respect to organic substances, oxidating solutions, foodstuff, sterilizing solutions. Good resistance with respect to atmospheric corrosion and dyes. They are subjected to pitting and crevice corrosion in presence of hot chloride solutions and to stress corrosion when temperature exceeds 60°C. They do not resist to sulfuric acid solutions. AISI 302 shows slightly best corrosion resistance with respect to AISI 304/304L stainless steels.

316: Very good corrosion resistance with respect to organic substances, good resistance to several strong acids (acetic, phosphoric, sulphuric acid) and on sea water. They are subjected to pitting and crevice corrosion in presence of hot chloride solutions and to stress corrosion when temperature exceeds 60°C. They do not resist in contact with hydrochloric and hydrofluoric acids, aqua regia, iron and magnesium chlorides.

420C: Good corrosion resistance in industrial atmosphere, freshwater, steam, alcool, ammonium, several oilfield products and organic compounds, dairy products, mild acid environments. Fairish in foodstuff and alkaline solutions. Fair in salt atmosphere. It does not resist in contact with sea water and strong acids (even if diluted).

440C: The material resists to corrosion in contact with freshwater, steam, oil, petrol, alcohol. They are subjected to pitting corrosion in sea water environments. Poor corrosion resistance in acid environments.


Application
201: Special bearings, automotive components, switches, die casting devices. They are widely used in the electronic industry.

304: Special bearings and pumps, aerosol pumps, gardening and household sprayers, perfume miniature pumps, seams, medical application valves, agricultural backpack sprayers. They are used in foodstuff, aerospace and military industry.

316: Special bearings, pumps and valves, aerosol and dispenser sprayers. Utilised in the foodstuff, paper, chemical, rubber, military, textile industry. Applications in photographic devices, medical instruments, quick couplings, recirculating balls, ink cartridges, jewels.

420C: Special bearings, anti-friction bearings, special pumps, recirculating balls, lighters, pens, automotive seatbelts & components.

440C: Precision bearings, anti-friction bearings, special valves, conveyor belts and rollers, ballpoint pens. They are used in foodstuff, medical instruments, quick couplings, recirculating ball bearings, knotting devices, oil refinery devices.


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