Related Material — 61% match
based on chemical composition and mechanical property overlap.
GB/T 700 Q215A (GB/T 700:2006) and ASTM A572 Gr.65 (ASTM A572) are both steel grades.
Both fall under the Structural Steel category.
GB/T 700 Q215A is typically used for hot rolled structural sheets, strips, sections and bars for welding, riveting and bolting engineering, while ASTM A572 Gr.65 is commonly used for used for bridges, buildings, transmission towers, construction equipment, offshore structures, and structural members..
GB/T 700 Q215A is defined under Guobiao Standards (GB/T), originating from China, while ASTM A572 Gr.65 is defined under ASTM International, originating from United States.
As per chemical composition, GB/T 700 Q215A vs ASTM A572 Gr.65 is a 91.5% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a related material overall at 61%.
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 700 Q215A
ASTM A572 Gr.65
Tensile Strength
335-450 MPa
550-690 MPa
Yield Strength
>=215 MPa
450 MPa min
Elongation
>=31%
18-21%
Condition
Hot rolled, controlled rolled or normalized; yield up to 16 mm, elongation up to 40 mm (N/mm2 = MPa)
Not specified
Hardness
Not specified
170-220 HB
Typical Applications
GB/T 700 Q215A
Hot rolled structural sheets, strips, sections and bars for welding, riveting and bolting engineering
ASTM A572 Gr.65
Used for bridges, buildings, transmission towers, construction equipment, offshore structures, and structural members.
Key Differences
ASTM A572 Gr.65 specifies V, Nb which are not specified for GB/T 700 Q215A.
Can GB/T 700 Q215A Be Substituted With ASTM A572 Gr.65?
GB/T 700 Q215A and ASTM A572 Gr.65 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.
What is the difference between GB/T 700 Q215A and ASTM A572 Gr.65?
ASTM A572 Gr.65 specifies V, Nb which are not specified for GB/T 700 Q215A.
Can GB/T 700 Q215A be substituted with ASTM A572 Gr.65?
GB/T 700 Q215A and ASTM A572 Gr.65 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.