Ak4 - 2618 aluminum heat-resistant strip, sheet, tube
International Equivalent
| Mark | Analogue | W. Nr. | Aisi Uns | En | Order |
|---|---|---|---|---|---|
| AK4 | 2618 | Delivery from the stock, in stock |
Technical characteristics
Wrought aluminum alloy with 5−7% alloying elements. It has excellent ductility and is ideal for forging. The main alloying components are Mn, Si, Cu and Mg. The hardness HB 10 -1 = 109 — 117 MPa.
Percentage composition (GOST 4784−97)| Fe | Si | Mn | Ni | Cr | Ti | Al | Cu | Mg | Zn | Impurities |
|---|---|---|---|---|---|---|---|---|---|---|
| 0.8 — 1.4 | ≤0.35 | ≤0.2 | 0.8 — 1.4 | ≤0.1 | 0.02 — 0.1 | 93.05 — 95.28 | 1.9 — 2.7 | 1.2 — 1.8 | ≤0.3 | ≤0.1 |
Magnesium and copper are used to impart strength to the alloy.
Mechanical properties (temperature 20°C)
| Range | GOST | s in | sT | d5 | KCU | Heat treatment |
|---|---|---|---|---|---|---|
| - | MPa | MPa | % | kJ/m2 | - | |
| Sheets | 380 | 310 | 6 | 200 | ||
| Bar | 21488−97 | 365−390 | 275−315 | 6 | Hardening and artificial aging | |
| Bar, increased ductility | 51834−2001 | 390 | 335 | 6 | Hardening and artificial aging | |
| Plate | 17232−99 | 385−390 | 295−325 | 6 | Quenching and artificial aging |
| t°C | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
|---|---|---|---|---|---|---|
| Degree | MPa | 1/Gradus | W/(m-degree) | kg/m3 | J/(kg-degree) | Ohm-m |
| 20 | 0.72 | 2800 | 55 | |||
| 100 | 20.8 | 146 | 797 |
Sv — Ultimate Short-Term Strength
sT — Limit of proportionality (yield strength for permanent deformation)
d5 — Tensile elongation at break.
HB — Brinell hardness
E — Modulus of elasticity of the first kind
C — specific heat capacity
Analogues
| England | EU | Poland | USA | France | Czech Republic | Japan |
|---|---|---|---|---|---|---|
| BS | EN / ISO | PNI | AISI | AFNOR | CSN | JIS |
| 2618A | ENAW-2618A | AlCu2Mg2Ni1 | AA2018 | U4N | 424218 | 2018 |
| ENAW-AlCu2Mg1.5Ni | AA2218 | 2218 | ||||
| AA2618 | 2618 |
Vendor
We offer to buy sheet, strip, tube Ak4 — 2618 at an affordable price from specialized warehouses of the supplier Evek GmbH with delivery to any city. It is possible to order products with non-standard parameters. We have the best price-quality ratio for the whole range of products. Supplier Evek GmbH offers to buy sheets, strips, tubes Ak4 or any similar brand, the price is optimal in this segment of rolled products.
Buy, bargain price
Supplier Evek GmbH offers sheet, strip, tube Ak4 — 2618, the price — determined by the technological features of production without including additional costs. The company’s website displays information on the latest arrivals of products. Buy sheet, strip, tube Ak4 — 2618 today. In the segment of non-ferrous rolled products company Evek GmbH is a profitable supplier. Timely delivery is provided by representative offices in Eastern European cities.