Circle, pipe, wire, steel, 20KH17N2, EI407
Equivalent
| Grade | analogue | W. Nr. | Aisi Uns | En | Order |
|---|---|---|---|---|---|
| 20Х17Н2 | EI407 | 1.4057 | 431 | X20CrNi17-2 | Buy from stock, view availability |
Relevance
Corrosion-resistant steel ordinary 20KH17N2 (article 20KH17N2) martensitic class used in the manufacture of heavily loaded details working at the impact and abrasion resistance in slightly aggressive environments. Thanks to the balanced composition, 20KH17N2 alloy has high strength and hardness (HRC>45).
| Thermochemical treatment of metals | B04 | According to | STP 26.260.484−2004 |
|---|---|---|---|
| Forging. Pressure treatment of metals. | B03 | GOST | 25 054−81 |
| Shaped bars THAT 14−11−245−88, | В32 | ---«--- | 5949−75 |
| Blanks. Of the workpiece. Slabs. | В31 | ---«--- | 3−1686−90 |
| Classification, Nomenclature, standards standards. | B30 | ---«--- | 5632−72 |
Percentage composition of steel 20KH17N2 GOST 5632−72.
| 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
| Products | kJ / m2 | % | % | - | mm | MPa | MPa | - |
|---|---|---|---|---|---|---|---|---|
| - | KCU | y | d5 | Eg. | Size | sT | blower SB | Heat treatment |
| Forgings GOST 25054−81 | 490−590 | 30−40 | 12−15 | Prod. | up to 600 | 666 | 813 | Vacation and hardening |
Mechanical characteristics
| Description | Marking |
|---|---|
| — viscosity impact, [kJ / m2] | KCU |
| — narrowing of the relative in [ % ] | y |
| — Brinell hardness, Forgings: 248−293 (GOST 25 054−81). Rod (GOST 5949−75): 285 | HB 10 -1 [MPa] |
| — residual deformation for the yield strength (or limit of proportionality), in [MPa] | sT[MPa] |
| — short-term strength limit, [MPa] | sin[MPa] |
| — elongation at break relative in [ % ] | d5 |
Foreign counterparts
| - | JIS | BS | AFNOR | WNr, DIN | EN | SS | UNE | UNI | GB |
|---|---|---|---|---|---|---|---|---|---|
| USA | Japan | England | France | Germany | The European Union | 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
| Assortment | GOST |
| With a special finish, round, high quality steel surface | 14 955−77 |
| Rolled steel round bars hot rolled. | 2590−2006 |
| Rolled steel square bright bars, hot rolled | 2591−2006 |
| High precision shaped steel profiles | THAT 14−11−245−88 |
| Round, square bar forged | 1133−71 |
| Forged, hot-rolled strips of tool steel in | 4405−75 |
| Round steel grooved | 7417−75 |
| Square steel grooved | 8559−75 |
| Grooved, steel bars, corrosion resistant, heat resistant, heat resistant. | 5949−75 |
| Hexagonal bars calibrated | 8560−78 |
| Forged steel square, round | 1133−71 |
| Heat-resistant, heat-resistant steel, corrosion-resistant, high-alloy | 5632−72 |
| Steel mill products hot-rolled strip | 103−2006 |
| Hot rolled bars, steel hex | 2879−2006 |
Supplier
Supplier «Auremo» offers to buy a round, pipe, wire, steel, 20KH17N2, ЭИ407. Wide application of products from this alloy due to an optimal ratio price-quality and variety of assortment. Absolute control of all stages of the technological process allows the company «Auremo» to supply guaranteed quality products.
Buy at best price
Always available for round, pipe, wire grade 20KH17N2, ЭИ407, the price is optimal from the supplier. The introduction of modern technologies enables us a base range, which are always in stock at the warehouses of the company «Auremo», to take orders for the production of goods customized non-standard settings.
