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Standard configuration 4 : | ||||||||
Product name: | IWF Barbell【Weightlifting bar】 | Bearings: | Needle bearings 10 pcs 【D2】 | |||||
Product model: | 1313 | Bushings: | Copper bushings 2 pcs 【E1】 | |||||
Tensile strength: | 190,000 PSI 【A4】 | Finish of bar: | Hard chrome plating 【F7】 | |||||
Load capacity: | 1500 lbs 【A4】 | Finish of sleeve: | Hard chrome plating 【F14】 | |||||
Material of sleeve: | 1020 【B1】 | NW/GW: | 20kg / 22kg 【H2】 | |||||
Material of bar: | 42CrMo Alloy steel 【A4 From Chinese directly under the central enterprises】 | |||||||


“No.A6” & “No.A7” : We have collaborated with the China lron and Steel Research Institute tocustomize specifically for barbell bar products. We have adjusted and optimized the elements and composition ratio of thismaterial, The mechanical properties are better than those of the other materials. | ||
No. | The customer can choose the corresponding material | Tensile strength | Load capacity |
□A1 | 1045 Carbon steel (Equal to S45C steel and C45 steel) | 135,000 PSI | 400 LBS |
□A2 | 1045 Carbon steel (Heat treatment) | 135,000 PSI | 700 LBS |
□A3 | 40Cr Alloy steel | 165,000 PSI | 1000 LBS |
□A4 | 42CrMo Alloy steel | 190,000 PSI | 1500 LBS |
□A5 | 2Cr13 Stainless steel | 190,000 PSI | 1500 LBS |
□A6 | Custom stainless steel | 205,000 PSI | 2000 LBS |
□A7 | Custom alloy steel | 240,000 PSI | 2000 LBS |


No. | Materials |
□B1 | 1020 (Equal to Q235 steel and A3 steel) |
□B2 | SUS 304 Stainless steel |
No. | Information: |
□D1 | General quality, does not affect the use. |
□D2 | Medium quality, good rotation, conventional configuration. |
□D3 | High quality, excellent rotation, long service life. |
Qty | □4 □6 □8 □10 (Total quantity of 2 sides) |



No. | Colors | Surface treatment of bar | No. | Colors | Surface treatment of sleeve | |
□F1 | Black bar | Black chrome plating | □F9 | Black sleeve | Black chrome plating | |
□F2 | Black bar | Plating black zine | □F10 | Black sleeve | Black oxide | |
□F3 | Black bar | Black oxide | □F11 | Black sleeve | Black phosphating | |
□F4 | Black bar | Black phosphating | □F12 | Black sleeve | QPQ (Quench Polish Quench) | |
□F5 | Black bar | Teflon resin | □F13 | Silver sleeve | Bright chrome plating | |
□F6 | Silver bar | Bright chrome plating | □F14 | Silver sleeve | Hard chrome plating | |
□F7 | Silver bar | Hard chrome plating | ||||
□F8 | Colour bar | Powder coated |








Standard: ISO 9227 Salt spray test. The corrosion protection and aging properties of the product are tested by salt spray test. | Standard: ISO 9227 | |
Corrosion tests in artificial atmospheres--Salt spray tests. | ||
Internal control standard: ≥72h and meet evaluation of the corrosion test results of the metal deposits for the light industrial products level 9. | ||
Standard: Q/EK 10-2023 Hardness test. Rockwell hardness tester for the steel surface heat treatment hardness of products. | Standard: ISO 9227 | |
Execute according to the enterprise standard. | ||
Internal control standard: 42HRc - 47HRc. | ||
Standard: ISO 2409 Cross cut test. Test the adhesion ability of the product surface through Cross cut. | Standard: ISO 9227 | |
Internal control standard: meet level 2. | ||
Standard: ISO 2248 Drop test. Verify the protective ability of product packaging through drop testing. | Standard: ISO 9227 | |
Packing-Basic tests for transport packages—Part 17: General rules for the compilation of performance test. | ||
Internal control standard: Set the height for drop testing based on the total weight of the product packaging, with the testing positions being corners,edges,flat surface. | ||





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