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40KHFA - 1.7223 - aisi 4142 pipe, round, rod

40KHFA - 1.7223 - aisi 4142 pipe, round, rod

Supplier Avlob offers to buy a pipe, a circle, a rod of grade 40HFA, 1.7223, aisi 4142 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.

Technical specifications

Steel structural alloyed chromium-vanadium. This steel is difficult to weld, is sensitive to the formation of flokens, prone to temper brittleness. Hardness after annealing (GOST 4543−71): HB 10 -1 = 241 MPa. Supplier Avlob offers to buy a pipe, a circle, a rod of grade 40HFA, 1.7223, aisi 4142 at an affordable price today. The best price from the supplier.

Application

Shaft shafts, rods, set screws, traverses, excavator shafts and other parts operating at temperatures up to 400 ° C; after hardening and low tempering — worm shafts and other details of increased wear resistance.

Percent composition, GOST 4543−71

Fe C Si Mn Ni S P Cr V Cu
basis 0.37 — 0.44 0.17 — 0.37 0.5 — 0.8 ≤0.3 ≤0.025 ≤0.025 0.8 — 1.1 0.1 — 0.18 ≤0.3

Mechanical properties (temperature 20 ° C)

Assortment The size s in s T d 5 y KCU Heat treatment
- mm MPa MPa % % kJ / m 2 -
Rod, GOST 4543−71 Ø 25 880 735 10 50 880 Tempering and Leaving
Forgings 100 — 300 615 395 15 40 540 Tempering and Leaving
Forgings 300 — 500 615 395 13 35 490 Tempering and Leaving
  1. sв — Short-term strength limit
  2. sT — Proportionality limit (yield stress for permanent deformation)
  3. d5 — Elongation at break
  4. y — Relative contraction
  5. KCU — Impact strength

Physical properties

t ° С
 E 10 — 5 a 10 6 l r C
Degree MPa 1 / Grad W / (m · deg) kg / m 3 J / (kg · deg)
20 2.15   37 7810  
200 2.05 12.6 37   508
400 1.82 13.3 33   563
600 1.66 14.2 31   621
800 1.35 11.8 28   664
  1. E — Modulus of elasticity of the first kind
  2. a — Coefficient of temperature (linear) expansion [1 / degree]
  3. l — Coefficient of thermal conductivity (heat capacity of the material)
  4. r — specific gravity
  5. C is the specific heat

Foreign analogues

USA Germany Japan France England European Union Italy Belgium Spain Sweden Bulgaria Czech Republic
- DIN, WNr JIS AFNOR BS En UNI NBN UNE SS BDS CSN
4140 1.7223 SCM440 42CD4TS 3111−5 / 1 41CrMO 41CrMo4 41CrMo4 40CrMo4 2244 40ChFA 15240
4142 41CrMo4     42CrMO4       42CrMo4      
6135       708M40       F.1252      
G41400               F.8332      

Delivery, price

Buy a pipe, a circle, a rod of grade 40HFA, 1.7223, aisi 4142 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 a pipe, a circle, rods from 40ХФА steel at the optimal price in bulk or at retail.

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