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30KHGSA - 30hgsa pipe, round, rod

30KHGSA - 30hgsa pipe, round, rod

Supplier Avlob offers to buy a pipe, a circle, a rod of 30ХГСА, 30hgsa 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.

Technical specifications

Steel structural alloyed chromium-silica-manganese. It is boundedly weldable. steel, sensitive to the formation of flokens, prone to temper brittleness. Hardness after annealing (GOST 4543−71): HB 10 -1 = 229 MPa. The supplier Avlob offers to buy a pipe, a circle, a 30HGSA grade wire, 30hgsa at an affordable price today. The best price from the supplier.

Application

Shafts, axles, cogwheels, flanges, shell casings, compressor blades operating at temperatures up to 200 ° C, levers, pushers, responsible welded structures, operating under alternating loads, fasteners operating at low temperatures.

Percent composition, GOST 4543−71

C Si Mn Ni S P Cr Cu
0.28 — 0.34 0.9 — 1.2 0.8 — 1.1 ≤0.3 ≤0.025 ≤0.025 0.8 — 1.1 ≤0.3

Mechanical properties (temperature 20 ° C)

Assortment GOST s in s T d 5 y KCU Heat treatment
- - MPa MPa % % kJ / m 2 -
Pipes 8731−87 686   eleven      
Pipes cold-deformed 8733−74 491   18      
Bars, Ø 25 mm 4543−71 1080 830 10 45 490 Tempering 880 ° C, oil, tempering 540 ° C, water,
  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 R 10 9
G rainbow MPa 1 / Grad W / (m · deg) kg / m 3 J / (kg · deg) Ohm · m
20 2.15   38 7850   210
200 2.03 12.3 37 7800 504  
400 1.84 13.4 36 7730 533  
600 1.64 14 33 7670 584  
800 1.25 12.9 thirty   693  
  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

  1. Bulgaria (BDS): 30ChGSA
  2. Poland (PN): 30HGS, 30ChGSA
  3. Czech Republic (CSN): 14331.

Delivery, price

Buy a pipe, a circle, a rod of 30ХГСА, 30hgsa at an affordable price from a supplier Avlob today. The price is formed on the basis of European production standards. The supplier Avlob offers to buy a pipe, a circle, a bar of 30KhGSA steel, 30hgsa or from any other steel at the optimal price in bulk or at retail.