C40E 1.1186 XC4H1 - NF EN 10083-2-2006

Grade	C40E
	1.1186
Old Grade
Corresponding Standard	NF EN 10083-2-2006 Tempered non-alloy structural steel
Classification	Carbon Steel

C40E Chemical Element Composition Content (%)

Component	C ^①	Si	Mn	P	S ^②	Cr	Ni	Mo	More
Minimum Value	0.37	-	0.5	-	-	-	-	-	Cr+Mo+Ni≤0.63 ①
Maximum Value	0.44	0.4	0.8	0.03	0.035	0.4	0.4	0.1	Cr+Mo+Ni≤0.63 ①

C40E Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Impact Energy Absorption KV2 J
Steel: d ≤ 16mm; t ≤ 8mm	Quenching + Tempering (+QT)	650~800	≥460	≥16	≥35
Steel: 16mm ≤ d ≤ 40mm; 8mm ≤ t ≤ 20mm	Quenching + Tempering (+QT)	630~780	≥400	≥18	≥40	≥30
Steel: 40mm ≤ d ≤ 100mm; 20mm ≤ t ≤ 60mm	Quenching + Tempering (+QT)	600~750	≥350	≥19	≥45	≥30
Steel: d ≤ 16mm; t ≤ 16mm	Normalizing (+N)	≥580	≥320	≥16
Steel: 16mm ≤ d ≤ 100mm; 16mm ≤ t ≤ 100mm	Normalizing (+N)	≥550	≥290	≥17
Steel: 100mm ≤ d ≤ 250mm; 100mm ≤ t ≤ 250mm	Normalizing (+N)	≥530	≥260	≥17

Approximate Comparison Table

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

Russia

United Kingdom

ISC

CNS

JIS

ASTM/AISI

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

GOST

BS EN/BS

U20402

S40C

SM40C

1040

G10400

C40E4

C40E
Ck40

1.1186

C40E
XC42

C40E
080M40

C40E Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!