20NiCrMo2-2 - DIN EN ISO 683-3-2019

Grade	20NiCrMo2-2
Corresponding Standard	DIN EN ISO 683-3-2019 Heat-Treatable Steels,Alloy Steels and Free-Cutting Steels--Part 3: Case-Hardening Steels
Classification	Alloy Steel
Properties	Carburizing Ability

20NiCrMo2-2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.17	0.15	0.65	-	-	0.35	0.4	-	0.15
Maximum Value	0.23	0.4	0.95	0.025	0.035	0.7	0.7	0.4	0.25

20NiCrMo2-2 Mechanical Properties

condition	Heat Treatment or Condition	Hardness HBW
All product shapes	Soft Annealing (+A)	≤212
Bar, wire, flat steel, forging	Processed to a Certain Hardness (+TH)	161~212
Bar, forging	Processed to Ferrite-Perlite Structure (+FP)	149~194

New and Old Grade Replacement List

Approximate Comparison Table Hardenability Guaranteed Structural Steel

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

Russia

Sweden

United Kingdom

ISC

CNS

JIS

ASTM

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

GOST

BS EN/BS

20CrNiMoH

A50205

SNCM220H

8620H

H86200

20NiCrMo2H

20NiCrMo2-2

1.6523

20NiCrMo2-2

20ХГНМ

2506

(805H17)

20NiCrMo2-2 Corresponding Standards(Same grade name, different standards)

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