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Sheet, strip, wire 30khn3a - 31nicr14 - 1.5755

Sheet, strip, wire 30khn3a - 31nicr14 - 1.5755

Technical specifications

Structural steel, alloyed, chromium-nickel. This steel is boundedly weldable, sensitive to the formation of flocken, prone to temper brittleness. Hardness after annealing (GOST 4543−71): HB 10 -1 = 241 MPa. Supplier Avlob offers to buy a sheet, a tape, a wire of mark 30ХН3А, 31nicr14, 1.5755 at an affordable price today. The best price from the supplier.

Mechanical properties (temperature 20 ° C)

  1. sв — Short-term strength limit: 980−1670 MPa
  2. sT — Limit of proportionality (yield strength for permanent deformation): 785−1420 MPa
  3. d5 — Elongation at break: 10−13%
  4. y — Relative narrowing: 45−50%
  5. KCU — Impact strength: 660−780 kJ / m 2

Application

Crowns of driven wheels of traction gears of electric trains, gears and other improved details. Can be used at -80 ° C (wall thickness not more than 100 mm).

Percent composition, GOST 4543−71

C Si Mn Ni S P Cr Cu
0.27 — 0.33 0.17 — 0.37 0.3 — 0.6 2.75 — 3.15 ≤0.025 ≤0.025 0.6 — 0.9 ≤0.3

Physical properties

t ° С
 E 10 — 5 a 10 6 l r C R 10 9
Grad MPa 1 / Grad W / (m · deg) kg / m3 J / (kg · deg) Ohm · m
20 2.15   34 7850   268
200 1.95 11.5 36 7800 504 387
400 1.75 12.8 36 7730 536 567
600   13.5 31 7670 587 817
800     27th 7650 703  
1000         687  
  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
  6. R is the electrical resistivity

Foreign analogues

Germany Japan France Bulgaria Poland Czech Republic
DIN, WNr JIS AFNOR BDS PN CSN
1.5755 SNC631 30NC11 30ChN3A 37HN3A 16440
30NiCr14 SNC836 30NC11FF      
31NiCr14   30NC12      

Buy

Supplier Avgloft offers sheet, tape, wire of mark 30ХН3А, 31nicr14, 1.5755 or any other brand 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. We invite you to partner cooperation.

Delivery, price

Buy sheet, tape, wire 30HN3A, 31nicr14, 1.5755 at an affordable price from the supplier Avgob today. The price is formed on the basis of European production standards. Supplier Avlob offers to buy sheet, tape, wire from steel 30HN3A, 31nicr14, 1.5755 or from any other steel at the optimal price in bulk or at retail.

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