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Chromoly Plates

Chromoly plates are high-strength alloy steel plates containing chromium and molybdenum, offering excellent strength, toughness, wear resistance, and heat resistance.

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Chrome Molybdenum Alloy Plates are mainly utilized for building boilers, pressure vessels and pipes. Commonly used in the oil, gas, and chemical sectors, due to it’s chromium and molybdenum composition that enables exceptional heat and corrosion resistance. Categorized as low alloy steel with high tensile strength and corrosion resistance suitable for suitable for high temperature applications.
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Typical specification data

Technical reference

Final chemical, mechanical properties, dimensions and tolerances are confirmed against the governing specification and purchase order.

Chemical Properties
STANDARD GRADE C Mn P S Si Cr Mo Ni V
EN10028 16Mo3 0.12 - 0.20 0.40 - 0.90 0.025 0.010 0.35 0.30 0.25 - 0.35 0.30 -
EN10028 12CrMo9-10 0.10 - 0.15 0.30 - 0.80 0.015 0.010 0.030 2.0 - 2.50 0.90 - 1.10 - -
ASTM A387 Gr.11 Cl. 2 0.15 0.45 - 0.60 0.007 0.004 0.50 - 0.80 1.0 - 1.5 0.45 - 0.60 0.25 0.01
ASTM A387 Gr.22 Cl. 2 0.15 0.30 - 0.60 0.007 0.004 0.25 2.0 - 2.50 0.90 - 1.10 0.30 0.01
ASTM A387 Gr.5 Cl. 2 0.08 - 0.12 0.30 - 0.50 0.020 0.004 0.50 4.5 - 5.5 0.45 - 0.65 0.30 0.01
ASTM A387 Gr.9 Cl. 2 0.08 - 0.12 0.30 - 0.50 0.020 0.004 0.50 8.5 - 9.5 0.90 - 1.10 0.30 0.04
ASTM A387 Gr.91 Cl. 2 0.08 - 0.12 0.30 - 0.50 0.015 0.004 0.50 8.5 - 9.5 0.85 - 1.05 0.20 0.18 - 0.25
ASTM A1017 Gr.92 0.08 - 0.12 0.30 - 0.50 0.020 0.004 0.50 8.5 - 9.5 0.30 - 0.60 0.30 0.15 - 0.25
ASTM A514 Gr.B 0.12 - 0.21 0.70 - 1.00 0.030 0.030 0.20 - 0.35 0.40 - 0.65 0.15 - 0.25 - 0.03 - 0.08
ASTM A514 Gr.E 0.12 - 0.20 0.40 - 0.70 0.030 0.030 0.30 - 0.40 1.40 - 2.00 0.40 - 0.60 - -
ASTM A514 Gr.F 0.10 - 0.20 0.60 - 1.00 0.030 0.030 0.15 - 0.35 0.40 - 0.65 0.40 - 0.60 0.70 - 1.00 0.03 - 0.08
ASTM A514 Gr.H 0.12 - 0.21 0.95 - 1.30 0.030 0.030 0.20 - 0.35 0.40 - 0.65 0.20 - 0.30 0.30 - 0.70 0.03 - 0.08
ASTM A514 Gr.P 0.12 - 0.21 0.45 - 0.70 0.030 0.030 0.20 - 0.35 0.85 - 1.20 0.45 - 0.60 1.20 - 1.50 -
ASTM A514 Gr.Q 0.14 - 0.21 0.95 - 1.30 0.030 0.030 0.15 - 0.35 1.00 - 1.50 0.40 - 0.60 1.20 - 1.50 0.03 - 0.08
DIN 17175 15Mo3 0.10 - 0.20 0.40 - 0.90 0.025 0.010 0.35 0.30 0.25 - 0.35 0.30 0.02
Mechanical Properties
STANDARD GRADE Yield Strength Tensile Strength (min) Tensile Strength (max) Elongation 2"
EN10028 16Mo3 40 Ksi [275 MPa] 64 Ksi [440 MPa] 85 Ksi [590 MPa] 24%
EN10028 12CrMo9-10 51 Ksi [355 MPa] 78 Ksi [540 MPa] 100 Ksi [690 MPa] 22%
ASTM A387 Gr.11 Cl. 2 45 Ksi [310 MPa] 75 Ksi [515 MPa] 100 Ksi [690 MPa] 22%
ASTM A387 Gr.22 Cl. 2 45 Ksi [310 MPa] 75 Ksi [515 MPa] 100 Ksi [690 MPa] 22%
ASTM A387 Gr.5 Cl. 2 45 Ksi [310 MPa] 75 Ksi [515 MPa] 100 Ksi [690 MPa] 22%
ASTM A387 Gr.9 Cl. 2 45 Ksi [310 MPa] 75 Ksi [515 MPa] 100 Ksi [690 MPa] 22%
ASTM A387 Gr.91 Cl. 2 60 Ksi [415 MPa] 85 Ksi [585 MPa] 110 Ksi [760 MPa] 18%
ASTM A1017 Gr.92 64 Ksi [440 MPa] 90 Ksi [620 MPa] 120 Ksi [840 MPa] 23%
ASTM A514 Gr.B 100 Ksi [690 MPa] 110 Ksi [760 MPa] 130 Ksi [896 MPa] 16%
ASTM A514 Gr.E 100 Ksi [690 MPa] 110 Ksi [760 MPa] 130 Ksi [896 MPa] 16%
ASTM A514 Gr.F 100 Ksi [690 MPa] 110 Ksi [760 MPa] 130 Ksi [896 MPa] 16%
ASTM A514 Gr.H 100 Ksi [690 MPa] 110 Ksi [760 MPa] 130 Ksi [896 MPa] 16%
ASTM A514 Gr.P 100 Ksi [690 MPa] 110 Ksi [760 MPa] 130 Ksi [896 MPa] 16%
ASTM A514 Gr.Q 100 Ksi [690 MPa] 110 Ksi [760 MPa] 130 Ksi [896 MPa] 16%
DIN 17175 15Mo3 64 Ksi [440 MPa] 90 Ksi [620 MPa] 120 Ksi [840 MPa] 24%

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