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AS3678 Grade 250 Carbon Steel Plate

AS3678 Grade 250 is mainstream Australian standard carbon structural steel plate. With a minimum yield strength of 250MPa, it is fully equivalent to GB Q235B and widely accepted in Australian & Oceania construction projects. Featuring excellent weldability, formability and stable mechanical performance, it is the preferred material for civil building frames and general lightweight structural fabrication.

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Product Parameters

Item	Specification
Grade	AS3678 Grade 250
Standard	AS/NZS 3678
Minimum Yield Strength	≥250 MPa
Tensile Strength	410–550 MPa
Thickness Range	6mm – 120mm
Size	1000–3000mm width, 2000–12000mm length, custom cut-to-size
Surface	Hot rolled black surface, shot blasting & anti-rust oil optional
MOQ	1 Ton
Certificates	MTC, ISO9001, SGS third-party inspection
Core Strengths	Australian AS/NZS 3678 standard, perfectly interchangeable with Q235B Balanced strength and ductility, suitable for most civil structural projects Excellent cutting, bending and welding performance for on-site fabrication Stable batch quality, low internal defects for large construction works High cost performance, mainstream grade for Oceania civil engineerin
Applications	Civil building steel frames, structural support beams, warehouse frameworks, factory steel structures, general mechanical bases, ordinary engineering structural components.
Our exported market	Australia, New Zealand, Oceania, Southeast Asia construction projects.

AS3678 Grade 250 is the standard Q235B equivalent steel for Australian and Oceanian construction. We provide full-size custom cutting, stable batch quality and competitive factory wholesale price for structural contractors. Send us inquiry now to get best pricing for astm carbon steel plate products.

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FAQ

1.What kind of customer service do you provide?

We provide comprehensive customer service, including basic design, procurement of supporting facilities, and options for dispatching installation guides.

2.What are the customer evaluations of your company?

We are proud to consistently receive five-star reviews from our customers, which demonstrates our commitment to quality and service.

3.What is your quality inspection process like?

Our strict quality inspection process ensures that every product meets the highest standards of excellence. From raw materials to finished products, every stage is carefully inspected to ensure excellent quality.

4.Do you accept container loading inspection?

Welcome to dispatch inspectors, not only for container loading, but also at any time during production.

5.What is the delivery time?

The delivery time depends on the quantity of orders. Usually, the delivery time to the nearest port in China is 15-30 days after receiving the deposit.

6. How to obtain a project quotation?

You can contact us 24 * 7 via email, phone, WhatsApp, WeChat, etc. You will receive a reply within 4 hours.