AS/NZS 3678 Grade 300 Steel — Specifications & Listings

AS/NZS 3678

Hot rolled structural steel plate and floorplate with 300 MPa yield strength. Widely used in Australian construction for beams, columns, general fabrication and structural members.

Category: Mild Steel

Grade Details

Grade	AS/NZS 3678 Grade 300
Standard	AS/NZS 3678
Description	Hot rolled structural steel plate and floorplate with 300 MPa yield strength. Widely used in Australian construction for beams, columns, general fabrication and structural members.
Applications

Equivalent / Similar Grades

Grade	Standard	Region
S275JR	EN 10025-2
A36	ASTM
Grade 350	AS/NZS 3679.1

Chemical Composition (%)

C	Mn	Si	P	S
<=0.22	<=1.70	<=0.50	<=0.040	<=0.040

Mechanical Properties

tensile_strength	430-560 MPa
yield_strength	300 MPa min
elongation	22% min

Active AS/NZS 3678 Grade 300 Listings on M-EX

No active AS/NZS 3678 Grade 300 listings at this time.