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GB/T 1591 Q500MD vs GB/T 1591 Q460ND

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

GB/T 1591 Q500MD (GB/T 1591:2018) and GB/T 1591 Q460ND (GB/T 1591:2018) are both steel grades. Both fall under the Structural Steel category. GB/T 1591 Q500MD is typically used for general structure for engineering (plates, strips, bars and sections), while GB/T 1591 Q460ND is commonly used for general structure for engineering (plates, strips, bars and sections). GB/T 1591 Q500MD is defined under Guobiao Standards (GB/T), originating from China, while GB/T 1591 Q460ND is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, GB/T 1591 Q500MD vs GB/T 1591 Q460ND 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%.

Frequently Compared With GB/T 1591 Q500MD:
GOST 19281 09G2S CSA G40.21 260W CSA G40.21 300W AS/NZS 3679.1 350 CSA G40.21 350W CSA G40.21 480W ASTM A1008 SS Grade 80 ASTM A283C AS/NZS 3679.1 300 CSA G40.21 400A CSA G40.21 400W ASTM A1008 SS Grade 50
Match Breakdown
CHEMISTRY MATCH
75.2%
MECHANICAL MATCH
49.3%
OVERALL
66.6%
Specifications
Property GB/T 1591 Q500MD GB/T 1591 Q460ND
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 (%) <=0.025 <=0.025
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 (%) <=0.025 <=0.025
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 Q500MD GB/T 1591 Q460ND
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 Q500MD
General structure for engineering (plates, strips, bars and sections)
GB/T 1591 Q460ND
General structure for engineering (plates, strips, bars and sections)
Key Differences
Can GB/T 1591 Q500MD Be Substituted With GB/T 1591 Q460ND?
GB/T 1591 Q500MD and GB/T 1591 Q460ND 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 Q500MD
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GB/T 1591 Q460ND
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Frequently Asked Questions
What is the difference between GB/T 1591 Q500MD and GB/T 1591 Q460ND?
GB/T 1591 Q500MD specifies B which is not specified for GB/T 1591 Q460ND.
Can GB/T 1591 Q500MD be substituted with GB/T 1591 Q460ND?
GB/T 1591 Q500MD and GB/T 1591 Q460ND 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.