Sheet, strip, wire 30KHN2MA - 30CrNiMo8 - 1.6580 - aisi 4340
Technical specifications
Steel structural alloyed chromium-nickel-molybdenum. This steel is sensitive. to the formation of flock, According to GOST 4543−71 hardness of rolled steel from this steel after annealing HB 10 -1 = 241 N / mm 2 .
Foreign analogues
- Germany (DIN, WNr): 30CrNiMo8
- Japan (JIS): SNCM431
Application
Crankshafts, connecting rods, critical bolts, studs, discs, sprockets and other critical parts that operate under severe loading conditions at normal, low and elevated temperatures.
Mechanical properties (temperature 20 ° C)
- sv — Short-term strength limit: 980 MPa
- sT — Proportionality limit (yield strength for permanent deformation): 785 MPa
- d5 — Elongation at break: 10%
- y — Relative narrowing: 45%
- KCU — Impact strength: 789 kJ / m 2
Percent composition, GOST 4543−71
| C | Si | Mn | Ni | S | P | Cr | Mo | Cu |
| 0.27 — 0.34 | 0.17 — 0.37 | 0.3 — 0.6 | 1.25 — 1.65 | ≤0.025 | ≤0.025 | 0.6 — 0.9 | 0.2 — 0.3 | ≤0.3 |
Modulus of elasticity of the first kind
| t ° С | E 10 — 5 |
| Grad | MPa |
| 20 | 2.04 |
| 200 | 1.94 |
| 400 | 1.82 |
| 600 | 1.59 |
Buy
Supplier Avlob offers sheet, tape, wire 30ХН2МА, 30CrNiMo8, 1.6580, aisi 4340 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.
Delivery, price
Buy sheet, tape, wire 30HN2MA, 30CrNiMo8, 1.6580, aisi 4340 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 sheet, ribbon, wire of mark 30ХН2МА, 1.6580, aisi 4340 or from any other steel at the optimal price in bulk or at retail.