Grade 11CrMo9-10
European Standard Steel Grade 1.7383
Corresponding Standard EN 10216-2-2024
Seamless Steel Tubes for Pressure Purposes - Technical Delivery Conditions - Part 2: Non-Alloy and Alloy Steel Tubes with Specified Elevated Temperature Properties
Classification Alloy Steel
11CrMo9-10 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo Al
Minimum Value 0.08 - 0.4 - - 2 - - 0.9 -
Maximum Value 0.15 0.5 0.8 0.025 0.01 2.5 0.3 0.3 1.1 0.04
11CrMo9-10 Mechanical Properties
wall thickness
T
mm
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Impact Energy Absorption
KV2
J
T≤60 540~680 ReH
≥355
l: ≥20;t: ≥18 20°C:
l: ≥40;t: ≥27
• l = longitudinal; t = transverse.
Approximate Comparison Table Steel Plate for Boilers and Pressure Vessels
China Japan International Organization for Standardization European Standard Russia
GB JIS ISO EN GOST
12Cr2Mo1R
GB/T 713.2-2008
STFA24
JIS G3467-1988
13CrMo9-10
ISO 9328-2004
11CrMo9-10
EN 10028-2003
10Х2М
GOST 5520-1979

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