30ХН3А - 31nicr14 - 1.5755 pipe, circle, rod
Supplier Avlob offers to buy a pipe, a circle, a rod of grade 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.
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 pipe, a circle, a rod of grade 30ХН3А, 31nicr14, 1.5755 at an affordable price today. The best price from the supplier.
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
|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|
Mechanical properties (temperature 20 ° C)
|Assortment||Section||s in||s T||d 5||y||KCU||Heat treatment|
|-||mm||MPa||MPa||%||%||kJ / m 2||-|
|Bars||Ø 5||1670||1420||13||50||660||Tempering 850 ° C, oil, tempering 200 ° C, air.|
|Bars||Ø 20||1670||1370||12||45||490||Tempering 850 ° C, oil, tempering 200 ° C, air.|
|Rods, GOST 4543−71||Ø 25||980||785||10||50||780||Tempering 820 ° C, oil, 530 ° C release, water.|
- sв — Short-term strength limit
- sT — Proportionality limit (yield stress for permanent deformation)
- d5 — Elongation at break
- y — Relative contraction
- KCU — Impact strength
|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
- C is the specific heat
- a — Coefficient of temperature (linear) expansion [1 / degree]
- l — Coefficient of thermal conductivity (heat capacity of the material)
- r — specific gravity
- R is the electrical resistivity
Buy a pipe, a circle, a rod of grade 30ХН3А, 31nicr14, 1.5755 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 30ХН3А, 31nicr14, 1.5755 or from any other steel at the optimal price in bulk or at retail.