AS/NZS 1595 C450 vs AS/NZS 3679.1 300

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

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

As per chemical composition, AS/NZS 1595 C450 vs AS/NZS 3679.1 300 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 1595 C450:
ASTM A1008 SS Grade 50 CSA G40.21 400W CSA G40.21 480W AS/NZS 3679.1 350 CSA G40.21 260W CSA G40.21 350W GOST 19281 09G2S CSA G40.21 400A ASTM A1008 SS Grade 80 CSA G40.21 300W ASTM A572 Gr.65 ASTM A283C
Match Breakdown
CHEMISTRY MATCH
99.7%
MECHANICAL MATCH
0%
OVERALL
66.4%
Specifications
Property AS/NZS 1595 C450 AS/NZS 3679.1 300
Standard AS/NZS 1595:1998 AS/NZS 3679.1:2016
Category Structural Steel Structural Steel
C (%) <=0.22 <=0.22
Mn (%) <=1.60 <=1.70
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 1595 C450 AS/NZS 3679.1 300
Tensile Strength 500 MPa min 440-600 MPa
Yield Strength 450 MPa min 300 MPa min
Elongation 12% min 22% min
Typical Applications
AS/NZS 1595 C450
Higher-strength cold-rolled structural steel sheet; roll-forming, purlins, high-strength cold-formed sections
AS/NZS 3679.1 300
Hot-rolled structural bars and sections for general structural framing
Can AS/NZS 1595 C450 Be Substituted With AS/NZS 3679.1 300?
AS/NZS 1595 C450 and AS/NZS 3679.1 300 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 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)
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)
On M-EX Right Now
AS/NZS 1595 C450
2 active listings and RFQs →
AS/NZS 3679.1 300
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between AS/NZS 1595 C450 and AS/NZS 3679.1 300?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can AS/NZS 1595 C450 be substituted with AS/NZS 3679.1 300?
AS/NZS 1595 C450 and AS/NZS 3679.1 300 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.