GOST 2170-73. Tapes made of nickel and low-alloy nickel alloys. Technical conditions.
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Bibliography, GOST 2170−73
| Type of standard | Standards for products (services) |
| Status of document | Effective |
| Enabled | 01/01/1973 year |
| Original language | Russian |
| Title in English | Standard specification for the production of low-alloyed nickel tape. Technical conditions. |
| Document developed | Ministry of Metallurgy of the USSR |
| Appointment | This standard applies to low-alloy nickel, tape. Technical conditions. |
Mechanical properties of tapes NP1; NP2; NP3; NP4 (temperature 20 ° C)
| Material state | MPa (kgf / mm 2), | δ5 (%) |
| Soft | 390 (40) | 35 |
| Semi-solid | 440 (45) | 12 |
| Solid | 540 (55) | 3 |
- sв — Short-term strength limit
- d5 — Elongation at break.
Finished goods
Finished products must meet mechanical requirements, including tensile strength, yield stress, elongation, given for specific conditions, diameters or distances between parallel surfaces. Chemical analysis, tensile tests and hardness tests must be carried out in accordance with the relevant standards. The grain size on tapes of grades НП2 and НП2Э in a soft condition should be not more large 0,05 mm.
Storage
In closed warehouses or under a canopy, which provides adequate protection against mechanical and other damage.
Delivery, price
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