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GB/T 1591 Q500MC vs GB/T 1591 Q460NC

Related Material — 66.6% match based on chemical composition and mechanical property overlap.

GB/T 1591 Q500MC (GB/T 1591:2018) and GB/T 1591 Q460NC (GB/T 1591:2018) are both steel grades. Both fall under the Structural Steel category. GB/T 1591 Q500MC is typically used for general structure for engineering (plates, strips, bars and sections), while GB/T 1591 Q460NC is commonly used for general structure for engineering (plates, strips, bars and sections). GB/T 1591 Q500MC is defined under Guobiao Standards (GB/T), originating from China, while GB/T 1591 Q460NC is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, GB/T 1591 Q500MC vs GB/T 1591 Q460NC is a 75.2% match. As per mechanical properties, the match is 49.3%. Combined, this makes them a related material overall at 66.6%.

Other Structural Steel Grades to Compare With GB/T 1591 Q500MC:
GOST 19281 09G2S CSA G40.21 260W AS/NZS 3679.1 300 CSA G40.21 300W AS/NZS 3679.1 350 CSA G40.21 350W CSA G40.21 400A CSA G40.21 400W CSA G40.21 480W ASTM A1008 SS Grade 50 ASTM A1008 SS Grade 80 ASTM A283C
Match Breakdown
CHEMISTRY MATCH
75.2%
MECHANICAL MATCH
49.3%
OVERALL
66.6%
Specifications
Property GB/T 1591 Q500MC GB/T 1591 Q460NC
Standard GB/T 1591:2018 GB/T 1591:2018
Category Structural Steel Structural Steel
C (%) <=0.18 <=0.20
Si (%) <=0.60 <=0.60
Mn (%) <=1.80 1.00-1.70
P (%) <=0.030 <=0.030
S (%) <=0.030 <=0.030
Nb (%) 0.01-0.11 0.01-0.05
V (%) 0.01-0.12 0.01-0.20
Ti (%) 0.006-0.05 0.006-0.05
Cr (%) <=0.60 <=0.30
Ni (%) <=0.80 <=0.80
Cu (%) <=0.55 <=0.40
Mo (%) <=0.20 <=0.10
N (%) <=0.015 <=0.015
B (%) <=0.004 Not specified
Al (%) >=0.015 >=0.015
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property GB/T 1591 Q500MC GB/T 1591 Q460NC
Tensile Strength 610-770 MPa 540-720 MPa
Yield Strength >=500 MPa >=460 MPa
Elongation >=17% >=17%
Condition Thermomechanical processed (TMCP), nominal thickness or diameter up to 16 mm (tensile strength: up to 40 mm) Normalized or normalizing rolled, nominal thickness or diameter up to 16 mm (tensile strength: up to 100 mm)
Typical Applications
GB/T 1591 Q500MC
General structure for engineering (plates, strips, bars and sections)
GB/T 1591 Q460NC
General structure for engineering (plates, strips, bars and sections)
Key Differences
Can GB/T 1591 Q500MC Be Substituted With GB/T 1591 Q460NC?
GB/T 1591 Q500MC and GB/T 1591 Q460NC share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
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GB/T 1591 Q500MC
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GB/T 1591 Q460NC
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Frequently Asked Questions
What is the difference between GB/T 1591 Q500MC and GB/T 1591 Q460NC?
GB/T 1591 Q500MC specifies B which is not specified for GB/T 1591 Q460NC.
Can GB/T 1591 Q500MC be substituted with GB/T 1591 Q460NC?
GB/T 1591 Q500MC and GB/T 1591 Q460NC share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.