SUH11 - JIS G 4311-1991

Grade	SUH11
Corresponding Standard	JIS G 4311-1991 Heat-resisting steel bars and wire rods
Classification	Martensitic Stainless Steel

SUH11 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	0.45	1	-	-	-	7.5	-	-
Maximum Value	0.55	2	0.6	0.03	0.03	9.5	0.6	0.3

SUH11 Mechanical Properties

	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
Rod	Annealing					≤269
Bar Stock; d/t ≤ 25mm	Quenching + Tempering	≥880	≥685	≥15	≥35	≥262	≥20

1 Approximate Comparison Table Martensitic Heat-Resistant Steel

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

European Standard

Russia

United Kingdom

ISC

CNS

JIS

UNS

SAE

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

Numerical Grade

GOST

BS EN/BS

42Cr9Si2
(4Cr9Si2)

S48040

SUH 11

STR 11

S65000

HNV3

X45CrSi 9-3

1.4718

Z45CS 9

X45CrSi 8
X45CrSi 9-3

1.4718
1.4718

40Х9С2

401S45

2 Approximate Comparison Table Martensitic Heat-Resistant Steel

China	Japan	International Organization for Standardization
GB	JIS	ISO
51Cr8Si2	SUH11	X50CrSi 8 2

SUH11 Corresponding Standards(Same grade name, different standards)

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