HB 400 Sheet and Plates

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Thabiso Steel, a reputable manufacturer and supplier located in Cape Town, South Africa, specializes in high-quality S420MC Sheets and Plates that are celebrated for their exceptional strength, durability, and weldability. These products are crafted in line with international standards, guaranteeing reliable performance across a range of industrial applications. Thabiso Steel is dedicated to providing precision-engineered S420MC materials tailored to the needs of the automotive, construction, and engineering industries. With a strong emphasis on reliability, quality assurance, and prompt delivery, Thabiso Steel has established itself as a top choice for premium-grade steel solutions throughout South Africa and beyond.

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HB 400 HR Plates

HB 400 Sheet

EN 10051 HB 400 Plate

What is HB 400 Sheet and Plates?

The S420MC Sheets and Plates are made from low-alloy, high-strength steel, incorporating elements like carbon, manganese, phosphorus, sulfur, and micro-alloying additions such as niobium, titanium, and vanadium. These elements work together to boost strength and toughness. The material boasts a minimum yield strength of 420 MPa, along with excellent formability, weldability, and fatigue resistance. Thanks to its fine-grain structure and consistent mechanical properties, S420MC plates are perfect for applications that require high load-bearing capacity and a long service life.

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HB 400 Sheet and Plates Specification

Width: 500-3000mm
Thickness : 3-130mm
Length: 1000-12000mm
Heat Treatment: N, Q+T
Surface Paint: EP, PE, HDP, SMP, PVDF

HB 400 Sheet and Plates Chemical Composition

Hardened 400 Chemical Composition (%)
Plate	C	Si	Mn	P	S	Cr	Ni	Mo	B	CEV	CET
thickness mm	max %	max %	max %	max %	max %	max %	max %	max %	max %	typv	typv
3- 6	0.15	0.70	1.60	0.025	0.01	0.50	0.25	0.25	0.004	0.41	0.28
3-（8）	0.15	0.70	1.60	0.025	0.01	0.30	0.25	0.25	0.004	0.33	0.23
8 – 20	0.15	0.70	1.60	0.025	0.01	0.50	0.25	0.25	0.004	0.37	0.27
（20）-32	0.18	0.70	1.60	0.025	0.01	1.00	0.25	0.25	0.004	0.48	0.29
（32）-45	0.22	0.70	1.60	0.025	0.01	1.40	0.50	0.60	0.004	0.57	0.31
（45）-51	0.22	0.70	1.60	0.025	0.01	1.40	0.50	0.60	0.004	0.57	0.38
（51）-80	0.27	0.70	1.60	0.025	0.01	1.40	1.00	0.60	0.004	0.65	0.41
（80）-130	0.32	0.70	1.60	0.025	0.01	1.40	1.50	0.60	0.004	0.73	0.48

HB 400 Sheet and Plates Mechanical Properties

Mechanical properties of Hardened 400
Grade	Mechanical Property			Charpy V Impact Test
HARDOX 400	Yield	Tensile	Elongation	Degree	longitudinal
	Min Mpa	Mpa	Min %	-40	J
	1000	1250	10	-40	45

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Pipes, Sheet, Fittings and Flanges

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

Top Manufacturer and Supplier of HB 400 Sheet and Plates in Cape Town, South Africa

Jaxon Steel is a trusted manufacturer and supplier of high-quality HB 400 Sheet and Plates in Cape Town, South Africa. We specialize in premium steel products, including Structural Steel, Alloy Steel, Carbon Steel, Mild Steel, and Galvanized Steel, with a strong focus on Structural Steel Sheets and Plates. Our extensive inventory also includes Pipes, Tubes, Flanges, Forged Fittings, and Bars. Committed to fast delivery and exceptional customer service, we use only the finest raw materials to ensure superior strength, durability, and performance for critical industrial applications. Contact us today for all your Structural Steel Sheet and Plate needs!

HB 400 Sheet and Plates Thickness

Thickness (mm)	Product	Hardness Range (HBW)
2.5 – 6.4	Cut Lengths	360 – 420
5 – 15	Heavy Plates	360 – 420
15- 30	Heavy Plates	360 – 450
30 – 60	Heavy Plates	360 – 480

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Types of HB 400 Sheet and Plates

400 HB Plate

HB 400 Hot Rolled Plate

HB 400 High Strength Steel Sheets

HB 400 Wear Sheet

HB 400 HR Sheet

HB 400 Wear Plates

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Uses of HB 400 Sheet and Plates

These S420MC Sheets and Plates find extensive use in industries that demand strong yet lightweight materials. Typical applications include structural components in automotive frames, chassis, and truck bodies, as well as in construction machinery, cranes, and bridges. Their impressive strength-to-weight ratio makes them ideal for energy-efficient designs and high-performance engineering projects. Additionally, these plates are employed in agricultural equipment, pressure vessels, and load-bearing frameworks where high mechanical reliability and precision are crucial for operational efficiency and safety.