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EN 10028-2 P295GH vs GB/T 1591 Q390B

Related Material — 62.9% match based on chemical composition and mechanical property overlap.

EN 10028-2 P295GH (EN 10028-2:2017) and GB/T 1591 Q390B (GB/T 1591:2018) are both steel grades. EN 10028-2 P295GH is classified under Carbon Steel, while GB/T 1591 Q390B is classified under Structural Steel — a different category, which is worth noting alongside the chemistry match below. EN 10028-2 P295GH is typically used for flat products for pressure purposes, while GB/T 1591 Q390B is commonly used for general structure for engineering (plates, strips, bars and sections). EN 10028-2 P295GH is defined under European Standard (EN), originating from Europe, while GB/T 1591 Q390B is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, EN 10028-2 P295GH vs GB/T 1591 Q390B is a 69.8% match. As per mechanical properties, the match is 49.1%. Combined, this makes them a related material overall at 62.9%.

Frequently Compared With EN 10028-2 P295GH:
BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A32 BS 970 (Part 1) 060A40 BS 970 (Part 1) 060A45
Match Breakdown
CHEMISTRY MATCH
69.8%
MECHANICAL MATCH
49.1%
OVERALL
62.9%
Specifications
Property EN 10028-2 P295GH GB/T 1591 Q390B
Standard EN 10028-2:2017 GB/T 1591:2018
Category Carbon Steel Structural Steel
C (%) 0.08-0.20 <=0.20
Si (%) <=0.40 <=0.55
Mn (%) 0.90-1.50 <=1.70
P (%) <=0.025 <=0.035
S (%) <=0.010 <=0.035
Nb (%) <=0.030 <=0.05
Al (%) >=0.020 Not specified
N (%) <=0.012 <=0.015
Cr (%) <=0.30 <=0.30
Cu (%) <=0.30 <=0.40
Mo (%) <=0.08 <=0.10
Ni (%) <=0.30 <=0.50
Ti (%) <=0.03 <=0.05
V (%) <=0.02 <=0.13
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN 10028-2 P295GH GB/T 1591 Q390B
Tensile Strength 460-580 MPa 490-650 MPa
Yield Strength >=295 MPa >=390 MPa
Elongation >=21% >=21%
Condition Usual delivery condition normalized (+N), nominal thickness up to 16 mm; transverse direction, Yield Strength is ReH, Elongation is A Hot-rolled (as-rolled), nominal thickness or diameter up to 16 mm for yield; tensile strength for up to 100 mm; elongation longitudinal, up to 40 mm
Typical Applications
EN 10028-2 P295GH
Flat products for pressure purposes
GB/T 1591 Q390B
General structure for engineering (plates, strips, bars and sections)
Key Differences
Can EN 10028-2 P295GH Be Substituted With GB/T 1591 Q390B?
EN 10028-2 P295GH and GB/T 1591 Q390B 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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EN 10028-2 P295GH
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Frequently Asked Questions
What is the difference between EN 10028-2 P295GH and GB/T 1591 Q390B?
Different category: EN 10028-2 P295GH is Carbon Steel, GB/T 1591 Q390B is Structural Steel. EN 10028-2 P295GH specifies Al which is not specified for GB/T 1591 Q390B.
Can EN 10028-2 P295GH be substituted with GB/T 1591 Q390B?
EN 10028-2 P295GH and GB/T 1591 Q390B 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.