EN 10248 S390 / S430 GPQ390B Q420B Steel Sheet Piling

Short Description:

Q390 and Q420B steel sheet piles are considered as high-strength structural steels for the application in high performance civil engineering and infrastructure projects. With stronger yield strength than conventional grades, they are suitable for deep foundations, retaining walls, and major marine works.

Brand Name: CHINA ROYAL STEEL

Steel Grade: Q390 Q420B

Production standard: GB

Certificates: ISO9001, BV, CE

Payment Term: 30%TT+70%

MOQ: 10 TON

Delivery Time: 7-15 Days

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Product Detail

Product Tags

Product Detail

Feature	Specification
Standard	GB/T 1591
Grade	Q390 / Q420B
Equivalent	EN 10248 S390GP / S430GP
Type	U-Type / Z-Type / Larssen Sheet Piles
Manufacturing	Hot Rolled Steel Sheet Pile
Length	6m – 18m (Custom Length Available)
Width	400mm – 900mm (Depending on Profile)
Thickness	6mm – 25mm
Surface	Mill Finish / Coated / Galvanized
Certification	EN 10204 3.1 MTC
Ready Stock	1000+ Tons Available
Exported To	Southeast Asia / Middle East / America
Delivery	Factory Direct Price, 7–15 Days

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Q390B/Q420B Steel Sheet Pile Chemical Composition

Grade	C	Si	Mn	P	S
Q390B	≤0.20	≤0.50	1.00–1.60	≤0.035	≤0.035
Q420B	≤0.20	≤0.50	1.00–1.70	≤0.035	≤0.035

Q390B/Q420B Steel Sheet Pile Mechanical Properties

Grade	Yield Strength (MPa)	Tensile Strength (MPa)	Elongation (%)
Q390B	≥390	490 – 650	≥20
Q420B	≥420	520 – 680	≥18

Notes:

Yield Strength ReH = Yield Strength

Tensile Strength Rm = Tensile Strength

Elongation A = Elongation (percentage elongation after fracture)

Q390B/Q420B Steel Sheet Pile Size

Section	Width	Height	Thickness		Cross Sectional Area	Weight		Elastic Section Modulus	Moment of Inertia	Coating Area (both sides per pile)
	(w)	(h)	Flange (tf)	Web (tw)	Cross Sectional Area	Per Pile	Per Wall	Elastic Section Modulus	Moment of Inertia	Coating Area (both sides per pile)
	mm	mm	mm	mm	cm2/m	kg/m	kg/m2	cm3/m	cm4/m	m2/m
Type II	400	200	10.5	-	152.9	48	120	874	8,740	1.33
Type III	400	250	13	-	191.1	60	150	1,340	16,800	1.44
Type IIIA	400	300	13.1	-	186	58.4	146	1,520	22,800	1.44
Type IV	400	340	15.5	-	242	76.1	190	2,270	38,600	1.61
Type VL	500	400	24.3	-	267.5	105	210	3,150	63,000	1.75
Type IIw	600	260	10.3	-	131.2	61.8	103	1,000	13,000	1.77
Type IIIw	600	360	13.4	-	173.2	81.6	136	1,800	32,400	1.9
Type IVw	600	420	18	-	225.5	106	177	2,700	56,700	1.99
Type VIL	500	450	27.6	-	305.7	120	240	3,820	86,000	1.82

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Q390B/Q420B Steel Sheet Pile Locking and waterproof performance

Design: Interlocking Steel Sheet Pile, permeability ≤1×10⁻⁷ cm/s

Americas: Meets ASTM D5887 Standard for a Liner to Reduce Seepage Under Drums

Southeast Asia: Groundwater-seepage proof for tropical rainy seasons

Q390B/Q420B Steel Sheet Pile Production process

1.Raw Material Selection

High-quality structural steel billets are selected to ensure stable composition and high strength performance.

2.Heating in Furnace

Steel is heated to optimal rolling temperature for improved plasticity and forming accuracy.

3.Hot Rolling

Rolled into U-type, Z-type, or Larssen profiles with precise interlocking edges.

4.Cooling & Straightening

Controlled cooling enhances mechanical properties, followed by straightening for dimensional accuracy.

5.Surface Treatment

Available in mill finish, galvanized, or coated for improved corrosion resistance.

6.Cutting & Customization

Custom lengths and additional processing available based on project requirements.

7.Quality Inspection

Full inspection with EN 10204 3.1 MTC provided for each batch.

Q390B/Q420B Steel Sheet Pile Surface

Americas:HDG as ASTM A123 (min zinc coat ≥ 85 µm); 3PE coating is optional; all finishes RoHS compliant.

Southeast Asia:The thickness of hot dip galvanized is hollyh (over 100μm), and two layers of epoxy coal tar coating are applied, it can be salt sprayed tested for 5000 hours without rust, is the best for tropical marine environment use.

APPLICATION

1.Harbor Building Steel Pile: Application for port, dock and quay wall construction, superb strength for structural support and durable service-life in the marine environment.

2.River Defense Steel Pile: Engineered to reinforce foundation of riverbanks, treat soil erosion and shield against the impact of river flow and river flooding.

3.Bridge Foundation Steel Pile: Suitable for use in bridge foundation construction to obtain deep foundation and structural stability under heavy structural gain.

4.Underground Facility Steel Pile: Used in basements, tunnels and underground buildings for dependable soil retention and excavation support.

Hot rolled U-shaped steel sheet pile (5)

Why Choose China Royal Steel for Steel Sheet Piles

1.Factory Direct Supply – Competitive Pricing

We source steel directly from our own mills and reliable partners, cutting out middlemen. This ensures you get high-strength Q390/Q420B sheet piles at lower cost than local suppliers without compromising quality.

2.Large Inventory – Fast Response

Over 1000+ tons of sheet piles ready in stock, including U-type, Z-type, and Larssen profiles. This allows us to respond quickly to urgent projects and reduces waiting times.

3.High-Strength Expertise – Reliable Performance

With years of experience in marine, port and civil engineering projects, we understand the demands of high-yield steel sheet piling. Our products meet EN 10248 S390/S430 equivalence, ensuring durability in heavy-load applications.

4.Strict Quality Control & Certification

Every batch is inspected for chemical composition, mechanical properties, dimensional accuracy, and flatness. All shipments come with EN 10204 3.1 MTC, giving full traceability and confidence in product quality.

5.Fast & Reliable Delivery – Global Shipping

We have long-term partnerships with shipping companies to ensure 7–15 day delivery to Southeast Asia, Middle East, Europe, and the Americas. Shipments are carefully packaged to avoid damage in transit.

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PACKAGING AND SHIPPING

1.Secure Bundling: Steel sheet piles are bundled with high-strength steel straps and reinforced at both ends to prevent deformation or damage during transport. Each bundle is labeled clearly for easy identification on site.

2.Anti-Corrosion Protection: Optional protective treatments include anti-rust oil coating, waterproof wrapping, and tarpaulin cover. For marine projects, coated sheet piles are available to extend service life.

3.Professional Loading: Experienced teams ensure proper weight distribution, secure fastening, and compliance with international shipping standards to prevent damage during transit.

4.Fast and Reliable Delivery: With factory-direct supply and experienced logistics partners, we guarantee delivery within 7–15 days, with regular shipment updates.

5.Global Export Experience: Proven track record of exporting to Southeast Asia, Middle East, Europe, and the Americas, ensuring smooth customs clearance and on-time delivery.