Circle, pipe, wire of steel 20X17H2, EF407
Equivalent
| Grade | analogue | W. Nr. | Aisi Uns | En | Order |
|---|---|---|---|---|---|
| 20KH17N2 | EI407 | 1.4057 | 431 | X20CrNi17-2 | Buy from stock, view availability |
Relevance
Corrosion-resistant steel ordinary 20Х17Н2 (st.20Х17Н2) of martensitic class is used in the manufacture of heavily loaded parts, working on the impact and abrasion in slightly aggressive environments. Due to the balanced composition, alloy 20X17H2 has high strength and hardness (HRC>45).
| Thermochemical processing of metal | В04 | According to | STP 26.260.484-2004 |
|---|---|---|---|
| Forging. Metal processing under pressure. | В03 | GOST | 25 054-81 |
| Shaped sections TU 14-11-245-88, | В32 | --- "--- | 5949-75 |
| Bar stock. Billets. Slabs. | В31 | --- "--- | 3-1686-90 |
| Classification, Nomenclature, Standards. | В30 | --- "--- | 5632-72 |
Percentage composition of steel 20X17H2
| Fe | Cr | C | Si | Ni | Mn | P | S |
|---|---|---|---|---|---|---|---|
| Basis | 16 - 18 | 0.17 - 0.25 | ≤ 0.8 |
1.5 - 2.5 | ≤ 0.8 | ≤ 0.035 |
≤ 0.025 |
Mechanical characteristics, t° 20°C
| Product | kJ/m2 | % | % | - | mm | MPa | MPa | - |
|---|---|---|---|---|---|---|---|---|
| - | KCU | y | d5 | E.g. | Size | sT | sT | Thermal treatment |
| Forgings |
490-590 | 30-40 | 12-15 | Prod. | up to 600 | 666 | 813 | Tempering and hardening |
Mechanical characteristics
| Description | Designation |
|---|---|
| - impact toughness, in [kJ/m2] | KCU |
| - relative narrowing, in [ % ] | y |
| - Brinell hardness, Forgings: 248-293 (GOST 25 054-81). Bar (GOST 5949-75): 285 | HB 10 -1 [MPa] |
| - for residual strain yield strength (or limit of proportionality), in [MPa] | sT [MPa] |
| - ultimate strength, in [MPa] | s in [MPa] |
| - elongation at break, in [%] | d5 |
Foreign analogues
| - | JIS | BS | AFNOR | WNr, DIN | EN | SS | UNE | UNI | GB |
|---|---|---|---|---|---|---|---|---|---|
| USA | Japan | England | France | Germany | EU | Sweden | Spain | Italy | China |
| 431 | SUS431 | En57 431S29 |
Z15CN16-02 | 1.4057 X17CrNi16-2 X22CrNi17 X20CrNi172 |
X17CrNi16-2 1.4057 |
2321 | X19CrNi17-2 F.3427 |
X16CrNi16 | ML1Cr17Ni2 1Cr17Ni2 |
Production
| Range | GOST |
| With special round finish, high quality steel surface | 14 955-77 |
| Hot-rolled steel round bars. | 2590-2006 |
| Hot-rolled square section steel | 2591-2006 |
| High precision shaped steel sections | TU 14-11-245-88 |
| Round, square forged bar | 1133-71 |
| Forged, hot rolled strips of tool steel | 4405-75 |
| Round steel calibrated | 7417-75 |
| Square steel calibrated | 8559-75 |
| Calibrated, section steel corrosion-resistant, heat-resistant, heat-resistant steel. | 5949-75 |
| Calibrated hex steel | 8560-78 |
| Forged steel square, round | 1133-71 |
| Heat-resistant, heat-resistant, corrosion-resistant, high-alloy steels | 5632-72 |
| Hot-rolled steel bars | 103-2006 |
| Hexagonal hot-rolled steel strip | 2879-2006 |
Supplier
Supplier "Auremo" offers to buy a circle, pipe, wire of steel 20X17H2, ЭИ407. The wide use of products of this alloy, due to the optimal price-quality ratio and variety of assortment. Absolute control of all stages of the technological process allows the company "Auremo" to supply a guaranteed high quality metal products.
Buy at a bargain price
Always in the presence of a circle, pipe, wire brand 20Х17Н2, ЭИ407, the price - the best from the supplier. Introduction of modern technologies gives us the opportunity to take orders for individual manufacture of products with non-standard parameters in addition to the wide basic assortment, which is always available at the warehouses of "Auremo" company.
