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65С2ВА - 65Si7 - 1.5028 wire, circle, rod
Supplier Avlob offers to buy a wire, a circle, a rod of mark 65S2VA — 65Si7 — 1.5028 at a bargain price. The supplier guarantees the timely delivery of products to any specified address. Regular customers can take advantage of discount discounts. The price is the best in this segment of rental.
Technical specifications
Structural steel spring-spring. A characteristic feature of such steels is the presence of carbon in them from 0.5% to 0.8%. Supplier Avlob offers to buy a wire, a circle, a rod of mark 65С2ВА — 65Si7 — 1.5028 at an affordable price today. The best price from the supplier.
Percent composition, GOST 14959−79
C | Si | Mn | Ni | S | P | Cr | W | Cu |
0.61 — 0.69 | 1.5 — 2 | 0.7 — 1 | ≤0.25 | ≤0.025 | ≤0.025 | ≤0.3 | 0.8 — 1.2 | ≤0.2 |
Such steel is not used for welded structures, is not very sensitive to the formation of flocken, and is not prone to temper brittleness. Hardness of heat-treated rolled products (GOST 14959−79) HB 10 -1 = 285 MPa. Hardness without heat treatment (GOST 14959−79) HB 10 -1 = 321 MPa
Mechanical properties (temperature 20 ° C)
Assortment | The size | GOST | s in | s T | d 5 | y | Heat treatment |
- | mm | - | MPa | MPa | % | % | - |
Annealing tape | 0.1 — 4 | 2283−79 | 880 | 8 | |||
Cold-worked tape | 0.1 — 4 | 2283−79 | 780−1180 | ||||
Steel | 14959−79 | 1860 | 1665 | 5 | 20 | Tempering 850 ° C, oil, tempering 420 ° C |
- sв — Short-term strength limit
- sT — Proportionality limit (yield stress for permanent deformation)
- d5 — Elongation at break.
- y — Relative contraction
Physical properties.
t ° C | E 10 — 5 | a 10 6 | l | r | C |
Degree | N / mm 2 | 1 / Grad | W / (m · deg) | kg / m 3 | J / (kg · deg) |
20 | 2.11 | 27th | 7850 | ||
200 | 2 | 12.5 | 28 | 500 | |
400 | 1.85 | 13.5 | 29 | 530 | |
600 | 1.54 | 14.3 | 29 | 580 | |
800 | 1.31 | 13.5 | 28 | 690 |
- E — Modulus of elasticity of the first kind
- C is the specific heat
- a — Coefficient of temperature (linear) expansion [1 / degree]
- l — Coefficient of thermal conductivity (heat capacity of the material)
- r — specific gravity
Foreign analogues of the material
France | Bulgaria | Poland | Romania |
AFNOR | BDS | PN | STAS |
45SCD6 | 65S2VA | 65S2WA | 652SW |
Application
Responsible and highly loaded springs and springs.
Delivery, price
To buy a wire, a circle, a rod of mark 65С2ВА — 65Si7 — 1.5028 at an affordable price from the supplier Avgob it is possible today. The price is formed on the basis of European production standards. Supplier Avlob offers to buy a wire, a circle, rod 65S2VA — 65Si7 — 1.5028 or any other brand at the optimal price in bulk or at retail.