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20KH17N2 - 1.4057 - aisi 431 steel, round, wire

20KH17N2 - 1.4057 - aisi 431 steel, round, wire

Corrosion resistant steel ordinary 20KH17N2 (article 20KH17N2) martensitic class used in the manufacture of highly loaded parts operating impact and abrasion such as high strength steel in a slightly aggressive media. 20KH17N2 steel has a high hardness (HRC>45).

Thermochemical treatment of metals heat B04 According to STP 26.260.484−2004
Forging. Pressure treatment of metals. B03 According to GOST 25054−81
Shaped bars В32 14−11−245−88 according to TU, GOST 5949−75
Blanks. Of the workpiece. Slabs. В31 According to GOST 3−1686−90
Classification, Nomenclature, standards standards. B30 According to GOST 5632−72

Chemical characteristics 20KH17N2 steel according to GOST 5632−72.

S Cr S Ni Mn Si C
up to 0.025 16 — 18 up to 0.025 1.5 — 2.5 to 0.8 to 0.8 0.17 — 0.25

Mechanical characteristics 20KH17N2 at 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:

— viscosity impact, [kJ / m2] KCU
— narrowing of the relative in [ % ] y
— Brinell hardness [MPa] HB
— residual deformation for the yield strength (or limit of proportionality), in [MPa] sT
— short-term strength limit, [MPa] blower SB
— elongation at break relative in [ % ] d5

Forgings. Hardness 20KH17N2, GOST 25054−81 is HB 10 -1 = 248 — 293МПа.

Rod. Hardness after annealing 20KH17N2 according to GOST 5949−75 is HB 10 -1 = 285МПа

Foreign analogues.

- 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

Those. CONV., Standard alloy.

«The technical conditions. With special. finish is round, the surface quality of steel.» According to GOST 14955−77

«Assortment. Rolled steel round bars hot rolled.» According to GOST 2590−2006

«Assortment. Rolled steel square bars hot rolled.» According to GOST 2591−2006

«The technical conditions. High precision shaped steel profiles.» 14−11−245−88

«The grade. Round, square steel forged «. According to GOST 1133−71

«Assortment. Forged, hot-rolled strips of tool steel.» According to GOST 4405−75

«Assortment. Calibrated round steel.» According to GOST 7417−75

«Assortment. Calibrated square steel.» According to GOST 8559−75

«Assortment. Steel mill products hot-rolled strip.». According to GOST 103−2006

«Tekhnich. conditions. Grooved, steel bars, corrosion resistant, heat resistant, heat resistant. «According to GOST 5949−75

» Assortment. Hexagonal bars are grooved.» According to GOST 8560−78

«Forged steel square and round.» According to GOST 1133−71

«Brand. Heat-resistant, heat-resistant steel, corrosion-resistant, high-alloy». According to GOST 5632−72

«Assortment. Hot rolled bars, steel hex. «According to GOST 2879−2006

Buy at best price

The company «AVEK global», producing a large range of steel products 20KH17N2 ready to satisfy the most sophisticated demands of consumers. The widespread use of products that are made from this alloy due to the high quality, huge variety and affordable cost. Absolute control of all stages of the technological process allows the company «AVEK global» to produce high quality metal products. The introduction of modern technologies enables us a base range, which are always in stock at the warehouses of the company, accept orders for manufacturing of products customized non-standard settings.