ASTM A572 A572 Grade 50 Steel: Specifications & Listings

ASTM A572 A572 Grade 50: High strength low alloy columbium-vanadium structural steel with 345 MPa (50 ksi) yield strength. Used for bridges, buildings, construction equipment and other structural applications requiring higher strength than A36.

Forms: Plate Category: Structural Steel
Grade Details
GradeASTM A572 A572 Grade 50
Standard ASTM A572
ApplicationsHigh-strength low-alloy structural steel; buildings, bridges, transmission towers, construction equipment, general structural fabrication
Most Active InWest (Maharashtra)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
EN 10025-2 S355JR EN 10025-2:2019 Europe 3 listings, 0 RFQs →
IS 2062 E350A IS 2062:2011 India 6 listings, 7 RFQs →
JIS G3106 SM490A JIS G3106:2020 Japan 2 listings, 0 RFQs →
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Grade Standard Match
ASTM A572/A572M Grade 50 ASTM A572/A572M:2021 Strong Match
ASTM A572/A572M Grade 50 ASTM A572/A572M:2018 Strong Match
AS/NZS 3678 Grade 450 AS/NZS 3678:2016 Strong Match
AS/NZS Grade 500 AS/NZS 3597:2008 Strong Match
ASTM A572 Gr.65 ASTM A572 Related Material
CSA G40.21 350W CSA G40.21-13 (R2023) Related Material
GB/T 1591 Q345B GB/T 1591-2018 Related Material
EN 10025-2 S250 EN 10025-2:2019 Related Material
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C Mn Si P S Nb V
<=0.23 <=1.35 <=0.40 <=0.040 <=0.050 <=0.05 <=0.15
Mechanical Properties
Tensile Strength 450 MPa min
Yield Strength 345 MPa min
Elongation 18% min
Hardness 137-187 HB

Popular forms for this grade:

Plate (4)
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Active ASTM A572 A572 Grade 50 Listings on M-EX (For Sale)

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ASTM A572 A572 Grade 50 Plate
7.600 MT
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ASTM A572 A572 Grade 50 Plate
3.300 MT
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ASTM A572 A572 Grade 50 Plate
2.100 MT
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ASTM A572 A572 Grade 50 Plate
5.600 MT
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