20KHN3A - aisi 4320 - 20hn3a pipe, round, rod
Supplier Avlob offers to buy a pipe, a circle, a rod of mark 20ХН3А, aisi 4320, 20hn3a 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.
Structural steel, alloyed, chromium-nickel. Weldability is limited, sensitive to floccene formation, prone to temper brittleness. Hardness after annealing (GOST 4543−71): HB 10 -1 = 255 MPa. Supplier Avlob offers to buy a pipe, a circle, a bar of 20ХН3А brand, aisi 4320, 20hn3a at an affordable price today. The best price from the supplier.
Gears, shafts, bushings, power pins, bolts, couplings, worms and other cemented parts, which require high strength, plasticity and toughness of the core and high surface hardness, operating under shock loads and at negative temperatures.
Percent composition, GOST 4543−71
|0.17 — 0.24||0.17 — 0.37||0.3 — 0.6||2.75 — 3.15||≤0.025||≤0.025||0.6 — 0.9||≤0.3|
Mechanical properties (temperature 20 ° C)
|Assortment||GOST||s in||s T||d 5||y||KCU||Heat treatment|
|-||-||MPa||MPa||%||%||kJ / m 2||-|
|Bars, Ø 15||4543−71||930||735||12||55||1080||Tempering and Leaving|
- sв — Short-term strength limit
- sT — Proportionality limit (yield stress for permanent deformation)
- d5 — Elongation at break
- y — Relative contraction
|t ° С
||E 10 — 5||a 10 6||l||r||C||R 10 9|
|Grad||MPa||1 / Grad||W / (m · deg)||kg / m 3||J / (kg · deg)||Ohm · m|
- E — Modulus of elasticity of the first kind
- a — Coefficient of temperature (linear) expansion
- l — Coefficient of thermal conductivity (heat capacity of the material)
- r — specific gravity
- C is the specific heat
Buy a pipe, circle, bar 20ХН3А, aisi 4320, 20hn3a at an affordable price from the supplier Avlob today. The price is formed on the basis of European production standards. Supplier Avlob offers to buy a pipe, a circle, a bar of steel 20ХН3А, aisi 4320 or any other steel at the optimal price in bulk or at retail.