18CrNiMo7-6 1.6587 - EN 10084-2008

Grade	18CrNiMo7-6
European Standard Steel Grade	1.6587
Corresponding Standard	EN 10084-2008 Case Hardening Steels - Technical Delivery Conditions
Classification	Alloy Steel
Properties	Carburizing Ability

18CrNiMo7-6 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo
Minimum Value	0.15	-	0.5	-	-	1.5	1.4	0.25
Maximum Value	0.21	0.4	0.9	0.025	0.035	1.8	1.7	0.35

18CrNiMo7-6 Mechanical Properties

condition	Heat Treatment or Condition	Hardness HBW
Semifinished products, bars	Processed to a Certain Shearability (+S)	≤255
All product shapes	Soft Annealing (+A)	≤229
Bar, wire, flat steel, forging	Processed to a Certain Hardness (+TH)	179~229
Bar, forging	Processed to Ferrite-Perlite Structure (+FP)	159~207

1 Approximate Comparison Table Hardenability Guaranteed Structural Steel

China	International Organization for Standardization	European Standard
GB	ISO	EN	Numerical Grade
18Cr2Ni2MoH	18CrNiMo7-6	18CrNiMo7-6	1.6587

2 Approximate Comparison Table Structural Alloy Steel

China	International Organization for Standardization	Germany	France	European Standard		United Kingdom
GB	ISO	W-Nr.	NF EN/NF	EN	Numerical Grade	BS EN/BS
17Cr2Ni2Mo	18CrNiMo7	17CrNiMo6 17CrNiMo7	18NCD6	18CrNiMo7-6	1.6587	820A16

18CrNiMo7-6 Corresponding Standards(Same grade name, different standards)

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