GOST 6750-75
GOST 6750−75 copper Nails for shipbuilding. Specifications (with Change No. 1)
GOST 6750−75
Group В78
INTERSTATE STANDARD
COPPER NAILS FOR SHIPBUILDING
Specifications
Copper nails for shipbuilding. Specifications
ISS 77.140.65
OKP 12 7100
Date of introduction 1976−01−01
The decision of the State standards Committee of the USSR Council of Ministers dated 12 March 1975 N 636 date of introduction is established 01.01.76
Limitation of actions taken by Protocol No. 7−95 Interstate Council for standardization, Metrology and certification (ICS 11−95)
REPLACE GOST 6750−53
EDITION (February 2009) with amendment No. 1, approved in November 1982 (ICS 2−83)
1. THE DESIGN AND DIMENSIONS
1.1. The design and dimensions of nails shall be as specified in the drawing and in the table.
mm
| Nomin. | Pred. off. | Nomin. | Pred. off. | Nomin. |
Pred. off. |
| 1,2 | -0,12 | 20 | ±1,5 |
2,6 | ±0,2 |
| 1,6 |
30 |
3,5 | |||
| 2,0 |
20 |
5,0 | |||
| 30 | |||||
| 40 | ±2,0 | ||||
| 2,5 | 30 |
±1,5 | 6,0 | ||
| 40 | ±2,0 | ||||
| 50 | |||||
| 3,0 |
30 | ±1,5 | 6,5 | ±0,3 | |
| 40 |
±2,0 | ||||
| 50 | |||||
| 60 |
±3,0 | ||||
| 3,5 | -0,16 | 50 |
±2,0 | 8,0 | |
| 60 | ±0,3 | ||||
| 70 | |||||
| 4,0 | 50 |
±2,0 | 9,0 | ||
| 60 |
±3,0 | ||||
| 70 | |||||
| 80 | |||||
| 5,0 | 50 |
±2,0 | 11,0 | ||
| 60 |
±3,0 | ||||
| 70 | |||||
| 80 | |||||
| 90 |
±4,0 | ||||
| 100 | |||||
Example of designation of the copper nail with a diameter of 4 mm and a length of
60 mm:
Nail 4x60 copper GOST 6750−75
2. TECHNICAL REQUIREMENTS
2.1. Nails shall be manufactured in accordance with the requirements of this standard for technological regulations approved in the prescribed manner.
Nails shall be manufactured from annealed wire brand M2 according to GOST 859−2001.
(Changed edition, Rev. N 1).
2.2. The asymmetry of the head axis relative to the axis of the rod must not exceed:
| 0.2 mm — | for | nails | diameter | web | 1.2 mm; |
| 0.3 mm | " | " | " | " | 1.6 mm; |
| 0.4 mm | " | " | " | " | 2−3 mm; |
| 0.6 mm | " | " | " | " | 3.5−4 mm; |
| 0.8 mm | " | " | " | " | 5 mm. |
2.3. Allowed the presence on the web of the longitudinal flats with cross risk, and under the head — notches.
(Changed edition, Rev. N 1).
2.4. The wedge angle of the nail should not exceed 40°.
2.5. The surface of the nail heads must be free of dents, irregularities, captivity, burrs and layers.
Allowed the traces from the connector dies.
2.6. Curved stud nail must not exceed:
| 0.2 mm — | for | nails | length | 20 mm; |
| 0.3 mm | " | " | " | 30−50 mm; |
| 0.5 mm | " | " | " | 60−80 mm; |
| 0.7 mm | " | " | " | 90−100 mm. |
2.7. Theoretical mass of copper nails provided in the application.
3. ACCEPTANCE RULES
3.1. Rules of acceptance GOST 17769−83.
4. CONTROL METHODS
4.1. Control methods — according to GOST 283−75.
(Changed edition, Rev. N 1).
5. MARKING, PACKAGING, TRANSPORTATION AND STORAGE
5.1. Marking, packaging, transportation and storage GOST 283−75.
(Added, Rev. N 1).
APPLICATION (reference). Theoretical mass of copper nails
APP
Reference
Sizes of nails |
The mass of 1000 nails, kg |
| 1,2x20 |
0,215 |
| 1,6x20 | 0,396 |
| 1,6x30 | 0,565 |
| 2x20 | 0,622 |
| 2x30 | 0,899 |
| 2x40 | 1,195 |
| 2,5x30 | 1,412 |
| 2,5x40 | 1,868 |
| 2,5x50 | 2,303 |
| 3х30 | 1,985 |
| 3x40 | 2,642 |
| 3x50 | 3,275 |
| 3x60 | 3,961 |
| 3,5x50 | 4,514 |
| 3,5x60 | 5,457 |
| 3,5x70 | 6,310 |
| 4x50 | 5,740 |
| 4x60 | 6,978 |
| 4x70 | 8,090 |
| 4x80 | 9,202 |
| 5x50 | 9,129 |
| 5x60 | Of 11.09 |
| 5x70 | 12,85 |
| 5x80 | 14,58 |
| 5x90 | 16,33 |
| 5x100 | 18,27 |
When calculating the mass of nails, the adopted density of copper 8.9 g/cm.
The electronic text of the document
prepared by JSC «Code» and checked by:
the official publication of the
Wire nails: Sat. Standards. -
M.: STANDARTINFORM, 2009
