Xi'an machinery & engineering import & export co.,ltd.
| Payment Terms | L/C, T/T |
| Supply Ability | 70 tons per month |
| Delivery Time | 10-30days |
| Packaging Details | Plastic bag+ cardon box+ wooden pallet |
| stainless steel ball | 304/302 |
| grade | G100 / G200 |
| application | bearing, seals, aerosol valves |
| hardness | HRc20-39 |
| sample | free supply for you |
| surface treatment | mirror polished |
| package | Plastic Bag+carton Box+wooden Pallet |
| service | OEM, ODM |
| Brand Name | XMEC |
| Model Number | 24.606mm(31/32") |
| Certification | SGS,ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 70 tons per month |
| Delivery Time | 10-30days | Packaging Details | Plastic bag+ cardon box+ wooden pallet |
| stainless steel ball | 304/302 | grade | G100 / G200 |
| application | bearing, seals, aerosol valves | hardness | HRc20-39 |
| sample | free supply for you | surface treatment | mirror polished |
| package | Plastic Bag+carton Box+wooden Pallet | service | OEM, ODM |
| Brand Name | XMEC | Model Number | 24.606mm(31/32") |
| Certification | SGS,ISO9001 | Place of Origin | China |
| High Light | 24.606mm Stainless Steel Balls ，HRc20 Precision Stainless Steel Balls ，HRc39 Precision Metal Balls | ||
24.606mm(31/32"), High Precision Stainless Steel Metal Ball For Bearing
Introduction
International stainless steel marking method
The American Iron and Steel Institute uses three digits to indicate various standard grades of forgeable stainless steel.
① Austenitic stainless steel is marked with 200 and 300 series numbers.
② Ferritic and martensitic stainless steels are represented by numbers in the 400 series. For example, some of the more common austenitic stainless steels
It is marked with 302, 304, 316, and 310.
③ Ferritic stainless steel is marked with 430 and 446, and martensitic stainless steel is marked with 410, 420 and 440C.
Remember, dual phase (austenite-ferrite).
④ Stainless steel, precipitation hardening stainless steel, and high alloys with iron content less than 50% usually use patent names or brand names.
AISI 304/302 Stainless Steel Balls
Profile
Precision AISI 304/302 stainless steel balls Type 18-8 are used when conditions require corrosion performance and toughness not available in hardenable stainless steels. Principal applications are in couplings, valves and pumps.
Characteristics
Low magnetic permeability: annealed, 1.003; cold worked, 1.10; severely cold worked, 10.0. High tensile strength at elevated temperatures. 18-8 stainless steel work-hardens rapidly. AISI 304/302 stainless steel balls of this material are passivated.
Corrosion Resistance
Type 18-8 stainless steel balls resist attack by oxidizing solutions, foodstuffs, sterilizing solution and most organic chemicals. They are susceptible to attack by halogen acids and moderately resistant to the sulphur acids.
Typical Hardness
Annealed – Rockwell B 75-95. Not annealed – Rockwell C 25-39.
Ball Sizes
Available in sizes from 1.5mm to 50.8mm in grades 50 through 1000.
Details
| Product name | forged solid stainless steel ball for bearing |
| Meterial | AISI 420C/ SUS 420C |
| Size | Ф0.3mm– Ф80mm |
| Other size | Customized |
| Surface treatment | Mirror polished |
| Grade | G10- G1000 |
| Hardness | HRC 54-60 |
| Material | Steel grade | Density(kg/dm3) | Hardness |
|
Stainless steel ball Not hardened |
304 / 304L ball | 7,95 | 25-39 HRC |
| 316 / 316L ball | 7,95 | 25-39 HRC | |
| 430 / 430F ball | 7,73 | 75-95 HRB | |
| 904 ball | 7,98 | 65-95 HRB | |
|
Stainless steel ball Hardened |
420C ball | 7,70 | 52-60 HRC |
| 440C ball | 7,75 | 58-64 HRC |
AISI 304/302 Stainless Steel Balls Specifications
304SS:
| Carbon | Nickel | Chromium | Manganese | Silicon | Phosphorus | Sulfur |
| 0.08% max. | 8% – 10.5% | 18% – 20% | 2.0% | 1.0% | 0.0045% | 0.30% max |
302SS:
| Carbon | Nickel | Chromium | Manganese | Silicon | Phosphorus |
| 0.15% max. | 8% – 10.5% | 17% – 19% | 2.0% | 1.0% | 0% |
Company Details
Business Type:
Agent,Importer,Exporter,Trading Company
Year Established:
2006
Total Annual:
3000000-5000000
Employee Number:
1~20
Ecer Certification：
Verified Supplier
Established in 2006, Xi'an Machinery & Engineering Import & Export Co.,Ltd.（XMEC) is the successor to Shaanxi Marine and Engineering Import & Export Co., Ltd., which is specialized in importing & exporting mechanical and electrical products, complete equipment, various kinds of... Established in 2006, Xi'an Machinery & Engineering Import & Export Co.,Ltd.（XMEC) is the successor to Shaanxi Marine and Engineering Import & Export Co., Ltd., which is specialized in importing & exporting mechanical and electrical products, complete equipment, various kinds of...
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