EN S355JR IPE/IPN Steel I Beams | I Beam China Supplier | Structural Steel Beam

Short Description:

EN S355JR IPE/IPN Steel I Beams are high-strength structural steels manufactured according to EN 10025 standards, possessing excellent strength, toughness, and good weldability. Compared to steels such as S235JR and S275JR, S355JR has a higher yield strength, making it suitable for structural engineering projects with high load-bearing requirements.

Brand Name: China Royal Steel

Place of Origin: China

Model Number: RY-H2510

Dimensions: W8×21 to W24×104 (inches)

Length: Stock for 6 m & 12 m, Customized Length

Payment Term: T/T,Western Union

Delivery Time: 10-25 working days

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Product Detail

Product Tags

Product Introduction

Item	Description
Product Name	EN S355JR IPE/IPN Steel Beam
Standard	EN 10025
Grade	S355JR
Type	IPE / IPN Structural Steel Beam
Material	Low alloy high strength structural steel
Production Process	Hot rolled

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Chemical Composition & Mechanical Properties

EN S355JR Steel Beam Chemical Composition

Steel grade	Styles	Carbon, max, %	Manganese, %	Silicon, max, %	Phosphorus, max, %	Sulfur, max, %
S355JR	Steel sections	0.24	≤ 1.60	≤ 0.55	≤ 0.035	≤ 0.035

EN S355JR Steel Beam Mechanical Properties

Steel grade	Styles	Tensile strength, MPa	Yield strength, min, MPa	Elongation, %
S355JR	Steel sections	470 – 630	355	≥ 22

S355JR I Beam Specifications and Dimensions Chart

IPE dimensions

IPN dimensions

IPE dimensions

Item	Weight (kg/m)	Depth (mm)	Width (mm)	Web thickness (mm)	Flange thickness (mm)
IPE 80	6.0	80	46	3.8	5.2
IPE 100	8.1	100	55	4.1	5.7
IPE 120	10.4	120	64	4.4	6.3
IPE 140	12.9	140	73	4.7	6.9
IPE 160	15.8	160	82	5.0	7.4
IPE 180	18.8	180	91	5.3	8.0
IPE 200	22.4	200	100	5.6	8.5
IPE 220	26.2	220	110	5.9	9.2
IPE 240	30.7	240	120	6.2	9.8
IPE 270	36.1	270	135	6.6	10.2
IPE 300	42.2	300	150	7.1	10.7
IPE 330	49.1	330	160	7.5	11.5
IPE 360	57.1	360	170	8	12.7
IPE 400	66.3	400	180	8.6	13.6
IPE 450	79.1	450	190	9.4	14.6
IPE 500	90.7	500	200	10.2	16
IPE 550	106.0	550	210	11.2	17.2
IPE 600	124.4	600	220	12	19

IPN dimensions

Item	Weight (kg/m)	Depth (mm)	Width (mm)	Web thickness (mm)	Flange thickness (mm)
IPN 80	5.9	80	42	3.9	5.9
IPN 100	8.3	100	50	4.5	6.8
IPN 120	11.1	120	58	5.1	7.7
IPN 140	14.3	140	66	5.7	8.6
IPN 160	17.9	160	74	6.3	9.5
IPN 180	21.9	180	82	6.9	10.4
IPN 200	26.2	200	90	7.5	11.3
IPN 220	31.1	220	98	8.1	12.2
IPN 240	36.2	240	106	8.7	13.1
IPN 260	41.9	260	113	9.4	14.1
IPN280	47.9	280	119	10.1	15.2
IPN 300	54.2	300	125	10.8	16.2
IPN320	61.0	320	131	11.5	17.3
IPN 340	68.0	340	137	12.2	18.3
IPN 360	76.1	360	143	13	19.5

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Size and Tolerance Comparison Table

Parameter	Typical Range	EN 10034 / EN 10025 Tolerance	Simplified Notes
Depth (H)	80–600 mm (IPE/IPN series)	±2–3 mm (depending on size)	Within nominal section standards
Flange Width (B)	46–220 mm	±2–3 mm	Ensures load distribution stability
Web Thickness (tₙ)	3–12 mm	±0.5–1.0 mm	Affects shear resistance
Flange Thickness (t_f)	5–20 mm	±0.5–1.5 mm	Key factor for bending capacity
Length (L)	6–12 m standard; custom up to 18 m	+50 / 0 mm	No negative tolerance allowed

Surface Finish

Hot Rolled Black

Hot-dip Galvanizing Surface

Black Oil Surface

Main Application

Building Construction:Structural systems used in residential, commercial, and high-rise building construction.

Industrial Buildings:Ideal for warehousing, manufacturing, processing, and modular building configurations.

Bridges & Infrastructure:Building bridge girders, carrying substructures, and all road and other transportation infrastructure.

Steel Structures:Column beam truss and Mezzanine floor are structural frame for load bearing.

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Building Construction

Industrial Building

Bridges & Infrastructure

Steel Structure

China Royal Steel Advantage（Why Choose China Royal Steel）

Stable Supply Capacity
Strong production resources and supply chain ensure consistent availability for both small and large-volume orders.

Competitive Factory Pricing
Direct factory sourcing helps reduce costs while maintaining high product quality.

Wide Product Range
We supply structural steel beams, steel plates, steel pipes, and customized steel products to meet diverse project needs.

Strict Quality Control
Products are manufactured under international standards with thorough inspection and Mill Test Certificates (MTC).

Customization & Processing Services
Support cutting, drilling, welding, and other fabrication services based on drawings and requirements.

Packing And Delivery

Steel I-beams are packaged with high tensile straps to provide rigidity while on the move. Wooden blocks, support or spacers are used in between layer of material to avoid warping and surface damage. The goods are wrapped with waterproof materials like plastic films or tarpaulin to block up moisture and rust. End protection and labeling (size, grade, heat number) is provided for identification and traceability. All packs are packed in seaworthy export quality for ocean freight.