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65С2ВА - 65Si7 - 1.5028 wire, circle, rod

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
  1. sв — Short-term strength limit
  2. sT — Proportionality limit (yield stress for permanent deformation)
  3. d5 — Elongation at break.
  4. 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
  1. E — Modulus of elasticity of the first kind
  2. C is the specific heat
  3. a — Coefficient of temperature (linear) expansion [1 / degree]
  4. l — Coefficient of thermal conductivity (heat capacity of the material)
  5. 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.