20KH17N2 - 1.4057 - aisi 431 steel, round, wire
|Mark||Analogue||W. Nr.||Aisi Uns||En||Order|
|20Х17Н2||EI407||1.4057||431||X20CrNi17-2||Delivery from the stock, in stock|
Corrosion-resistant carbon steel 20H17N2 refers to the martensitic class. It used in the production of high-strength heavy-duty components that resist impact loads, abrasion resistance in slightly aggressive environments. Steel brand 20H17N2 has high hardness (HRC> 45).
|Forgings. Processing of metals under pressure.||B03||25 GOST 054−81|
|Contoured and long products||B32||TU 14−11−245−88, GOST 5949−75|
|Thermochemical and thermal processing of metals||B04||STF 26.260.484−2004|
The chemical properties of steel 20H17N2 percentage in accordance with GOST 5632−72.
|0.8||0.8||0.17 — 0.25||1.5 — 2.5||to 0.025||16 — 18||to 0.025|
Mechanical characteristics of steel 20H17N2 at 20 ° C.
|products||mm||MPa||MPa||-||kJ / m2||%||%||-|
|25 GOST 054−81, Forgings||600||666||813||Prod.||490−590||30−40||12−15||Holidays and hardening|
|— The yield stress of permanent deformation (proportional limit), in [MPa]||sT|
|— Tensile strength in [MPa]||sre|
|— Elongation at break, in [%]||d5|
|— Toughness in [kJ / m2]||KCU|
|— Reduction in [%]||y|
|— Brinell hardness in [MPa]||HB|
Bars. Hardness after annealing according to GOST 5949−75 HB 10 -1 = 285MPa
Forgings. The hardness of 25 according to GOST 054−81 HB 10−1 = 248 293MPa.
Foreign counterparts have become 20H17N2
The shape, size, assortment of steel regulated by the following guests:
4405−75 — hot-rolled and forged stripe;
8560−78 — Hexagon calibrated;
14 955−77 — with specials. surface finish;
103−76 — hot-rolled stripe;
2879−88 — Hexagon hot;
2590−88- hot rolled round;
14−2-205−87, GOST 2591−88 — hot rolled square;
1133−71- forged square and round;
7417−75 — Round calibrated;
8559−75 — square calibrated.
Buy at the best price
In stock «Elektrovek-steel» company offers a wide range of metal-roll 20H17N2. Our offices are located in Russia and Ukraine. Making a purchase is possible, without leaving the office, through the Company’s website. The popularity is due to the brand product 20H17N2 diverse product mix and low cost. All products have the highest quality. Technological equipment for each production stage gives us an opportunity to carry out individual orders in the event that the basic performance of the product does not satisfy you. We make quality custom orders of non-standard options, the timing of their implementation are minimal. When wholesale purchases discounts.