S235JR，ASTM A36，SS400 I Beam For Light Structure And Support
Product Introduction
I-beams are elongated steel profiles characterized by an "I"-shaped cross-section. They comprise two parallel horizontal flanges connected by a vertical web, offering superior flexural strength and load-bearing efficiency. Available in standard and lightweight variants, standard I-beams feature thicker webs for heavy-duty applications, while lightweight designs prioritize material optimization for scenarios requiring reduced weight. For detailed specifications, contact our team.
Standards and Grades
(1)GB/T 706-2018
Q235 series: ordinary carbon structural steel, tensile strength ≥375MPa, yield strength ≥235MPa, widely used in building supports, factory beams, etc.
Q355 series: low alloy high strength steel, tensile strength ≥470MPa, yield strength ≥355MPa, suitable for bridges and high-rise building load-bearing structures.
(2)EN 10034 & EN 10025
S235 series: tensile strength 360-510MPa, yield strength ≥235MPa, used for general building structures 310.
S355 series: tensile strength 470-630MPa, yield strength ≥355MPa, suitable for heavy-load bridges and industrial platforms.
(3)JIS G 3192
SS400: Ordinary structural steel, tensile strength 400-510MPa, used for mechanical parts and light brackets.
SM490: Welded structural steel, tensile strength 490-610MPa, suitable for bridge and shipbuilding.
(4)ASTM A36
ASTM A36: Carbon structural steel, tensile strength ≥400MPa, yield strength ≥250MPa, widely used in construction and mechanical frames.
|
Regional |
Standard |
Grade |
Yield strength |
|
European |
EN 10025 |
S235JR |
≥235 MPa |
|
China |
GB/T 706 |
Q235B |
≥235 MPa |
|
America |
ASTM A36 |
A36 |
≥250 MPa |
Normal Size
Key Applications
Architectural field: Plant truss, floor support beam, steel structure column.
Bridge engineering: Temporary support, light footbridge main body.
Machine building: Equipment frame, conveyor belt support structure.
Logistics warehousing: Shelf beam, warehouse attic platform.
Advantage
Cost-effective: Lower cost than high-strength steel, suitable for budget sensitive projects.
Processing friendly: easy to weld, cut, drill, adapt to complex structures.
Load-bearing balance: The I-structure has high bending strength and lighter weight than the solid steel beam.
Environmental adaptation: Good corrosion resistance in conventional climates (surface protection required).
Packaging and Shipping
Bundling:
Secured with steel straps; bundles ≤5 tons to prevent deformation.
Anti-Corrosion:
Coated with protective oil or wrapped in film for humid or maritime environments.
Transport:
Shipped via flatbed trucks or containers; storage in dry, ventilated areas to avoid oxidation.
fAQ
Q1: Are you a manufacturer?
A1: Yes, we are a certified manufacturer with extensive experience in China's steel industry. Our annual production capacity exceeds 10 million tons.
Q2: Can we visit your factory?
A2: Absolutely! We warmly welcome visits. Please provide your schedule in advance, and we will arrange transportation and a guided tour for you.
Q3: Do you have quality control certifications?
A3: Yes, we adhere to strict quality standards and hold internationally recognized certifications, including ISO, CE, BV, and SGS.
Q4: Can you handle shipment arrangements?
A4: Certainly. We work with dedicated freight forwarders to secure competitive shipping rates and ensure professional logistics services tailored to your needs.
Q5: What’s the difference between I-beams and H-beams?
A5:I-beams and H-beams differ in structural design and application scenarios:
I-beams
Structural Profile: Narrow, tapered flanges with a higher height-to-width ratio.
Mechanical Properties: Optimized for unidirectional bending resistance, ideal for horizontal load-bearing structures.
Typical Use: Primarily used as beams in construction (e.g., floor supports, bridge girders).
H-beams
Structural Profile: Wide, parallel flanges with a near-square cross-section
Mechanical Properties: Enhanced torsional rigidity and balanced load distribution, suitable for multi-directional stress.
Typical Use: Preferred for vertical columns, heavy-duty frames, and seismic-resistant structures.