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AS/NZS 3679.1 300 vs AS/NZS 1595 C450

Related Material — 66.4% match based on chemical composition and mechanical property overlap.

AS/NZS 3679.1 300 (AS/NZS 3679.1:2016) and AS/NZS 1595 C450 (AS/NZS 1595:1998) are both steel grades. Both fall under the Structural Steel category. AS/NZS 3679.1 300 is typically used for hot-rolled structural bars and sections for general structural framing, while AS/NZS 1595 C450 is commonly used for higher-strength cold-rolled structural steel sheet; roll-forming, purlins, high-strength cold-formed sections. AS/NZS 3679.1 300 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand, while AS/NZS 1595 C450 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand.

As per chemical composition, AS/NZS 3679.1 300 vs AS/NZS 1595 C450 is a 99.7% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 66.4%.

Frequently Compared With AS/NZS 3679.1 300:
IS 2062 E250B0 CSA G40.21 480W CSA G40.21 400W ASTM A1008 SS Grade 80 AS/NZS 1595 C350 ASTM A1008 SS Grade 50 IS 2062 E250A ASTM A572 Grade 50 ASTM A572 Gr.65 CSA G40.21 260W CSA G40.21 300W ASTM A283C
Match Breakdown
CHEMISTRY MATCH
99.7%
MECHANICAL MATCH
0%
OVERALL
66.4%
Specifications
Property AS/NZS 3679.1 300 AS/NZS 1595 C450
Standard AS/NZS 3679.1:2016 AS/NZS 1595:1998
Category Structural Steel Structural Steel
C (%) <=0.22 <=0.22
Mn (%) <=1.70 <=1.60
Si (%) <=0.50 <=0.50
P (%) <=0.040 <=0.040
S (%) <=0.040 <=0.040
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property AS/NZS 3679.1 300 AS/NZS 1595 C450
Tensile Strength 440-600 MPa 500 MPa min
Yield Strength 300 MPa min 450 MPa min
Elongation 22% min 12% min
Typical Applications
AS/NZS 3679.1 300
Hot-rolled structural bars and sections for general structural framing
AS/NZS 1595 C450
Higher-strength cold-rolled structural steel sheet; roll-forming, purlins, high-strength cold-formed sections
Can AS/NZS 3679.1 300 Be Substituted With AS/NZS 1595 C450?
AS/NZS 3679.1 300 and AS/NZS 1595 C450 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.
Forms & Sizes Available on M-EX
AS/NZS 3679.1 300
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2700–2700 mm (106.3–106.3 in)
AS/NZS 1595 C450
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2500–2500 mm (98.43–98.43 in)
On M-EX Right Now
AS/NZS 3679.1 300
2 active listings and RFQs →
AS/NZS 1595 C450
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between AS/NZS 3679.1 300 and AS/NZS 1595 C450?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can AS/NZS 3679.1 300 be substituted with AS/NZS 1595 C450?
AS/NZS 3679.1 300 and AS/NZS 1595 C450 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.