Elastic cylindrical pin
GB879
Diameter range: M1.5-M12 Length range: 5-100
| standard | GB national standard |
|---|---|
| Material | 304 |
| Grade | A2-70 |
| Surface | whitewash |
| (mm) | Φ1 | Φ1.5 | Φ2 | Φ2.5 | Φ3 | Φ3.5 | Φ4 | Φ4.5 | Φ5 | Φ6 | Φ8 | Φ10 | Φ12 | Φ13 | Φ14 | Φ16 | Φ18 | Φ20 | Φ21 | Φ25 | Φ28 | Φ30 | Φ32 | Φ35 | Φ38 | Φ40 | Φ45 | Φ50 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d(max) | 1.3 | 1.8 | 2.4 | 2.9 | 3.5 | 4 | 4.6 | 5.1 | 5.6 | 6.7 | 8.8 | 10.8 | 12.8 | 13.8 | 14.8 | 16.8 | 18.9 | 20.9 | 21.9 | 25.9 | 28.9 | 30.9 | 32.9 | 35.9 | 38.9 | 40.9 | 45.9 | 50.9 |
| d(min) | 1.2 | 1.7 | 2.3 | 2.8 | 3.3 | 3.8 | 4.4 | 4.9 | 5.4 | 6.4 | 8.5 | 10.5 | 12.5 | 13.5 | 14.5 | 16.5 | 18.5 | 20.5 | 21.5 | 25.5 | 28.5 | 30.5 | 32.5 | 35.5 | 38.5 | 40.5 | 45.5 | 50.5 |
| d1 | 0.8 | 1.1 | 1.5 | 1.8 | 2.1 | 2.3 | 2.8 | 2.9 | 3.4 | 4 | 5.5 | 6.5 | 7.5 | 8.5 | 8.5 | 10.5 | 11.5 | 12.5 | 13.5 | 15.5 | 17.5 | 18.5 | 20.5 | 21.5 | 23.5 | 25.5 | 28.5 | 31.5 |
| c(max) | 0.35 | 0.45 | 0.55 | 0.6 | 0.7 | 0.8 | 0.85 | 1 | 1.1 | 1.4 | 2 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.6 | 3.6 | 4.6 | 4.6 | 4.6 | 4.6 |
| c(min) | 0.15 | 0.25 | 0.35 | 0.4 | 0.5 | 0.6 | 0.65 | 0.8 | 0.9 | 1.2 | 1.6 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 |
| h | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 | 0.75 | 0.8 | 1 | 1 | 1.2 | 1.5 | 2 | 2.5 | 2.5 | 3 | 3 | 3.5 | 4 | 4 | 5 | 5.5 | 6 | 6 | 7 | 7.5 | 7.5 | 8.5 | 9.5 |
| KN | 0.7 | 1.58 | 2.82 | 4.38 | 6.32 | 9.06 | 11.24 | 15.36 | 17.54 | 26.04 | 42.76 | 70.16 | 104.1 | 115.1 | 144.7 | 171 | 222.5 | 280.6 | 298.2 | 438.5 | 542.6 | 631.4 | 684 | 859 | 1003 | 1068 | 1360 | 1685 |
| steel | Austenitic stainless steel | martensitic stainless steel | |||
| Material | St (optional by the manufacturer) | A | B | ||
| Chemical composition / % | |||||
| High quality carbon steel | Silicon manganese steel | C≤0.15 | C≥0.15 | ||
| Mn≤2.00 | Mn≤1.00 | ||||
| Si≤1.50 | Si≤1.00 | ||||
| Cr：16~20 | Cr：11.5~14 | ||||
| Ni：6~12 | Ni≤1.00 | ||||
| P≤0.045 | P≤0.04 | ||||
| S≤0.03 | S≤0.03 | ||||
| Mo≤0.8 | Quenched and tempered hardness: 440 HV~560 HV | ||||
| Cold working | |||||
| C≥0.65 | C≥0.5 | C≤0.15 | C≥0.15 | ||
| Mn≥0.5 | Si≥1.5 | Mn≤2.00 | Mn≤1.00 | ||
| Quenching and tempering hardness: 420 HV~520 HV | Mn≥0.7 | Si≤1.50 | Si≤1.00 | ||
| Or austempered hardness: 500 HV~560 HV | Quenching and tempering hardness: 420 HV~560 HV | Cr：16~20 | Cr：11.5~14 | ||
| Ni：6~12 | Ni≤1.00 | ||||
| P≤0.045 | P≤0.04 | ||||
| S≤0.03 | S≤0.03 | ||||
| Mo≤0.8 | Quenched and tempered hardness: 440 HV~560 HV | ||||
| Cold working | |||||
| Straight groove | General situation | The shape and width of the straight groove are optional by the manufacturer | |||
| N type | In order to ensure that there is no interlocking, the shape and width of the non-interlocking elastic pin groove are in accordance with special agreement. | ||||
| surface treatment | Without treatment; | Simple handling; | |||
| Oxidation technical requirements shall comply with GB/T 15519; | Passivation treatment technical requirements according to GB/T 5267.4 | ||||
| Phosphating technical requirements shall comply with GB/T 11376; | |||||
| Electroplating technical requirements shall comply with GB/T 5267.1; | |||||
| Technical requirements for non-electrolytic zinc flake coating according to GB/T 5267.2 | |||||
| If other technical requirements or surface treatment are required, it should be agreed upon by the supplier and the buyer. | |||||
| All tolerances apply only before coating or plating | |||||
| surface defects | There shall be no irregularities or harmful defects; | ||||
| There should be no burrs on any part of the pin. | |||||
| Shear test | GB/T 13683 | ||||
| Acceptance and packaging | GB/T 90.1、GB/T 90.2 | ||||
