China I Beam Suppliers - High-Quality Steel I Beam from Trusted Factory
Specifications
Processing Services
Bending, Welding, Cutting, Drilling, Punching, Straightening, Surface Treatment
Surface Treatment
Black bare (original rolling surface), Anti‑rust painting, Hot dip galvanized, Anti‑rust oil coating
Dimension
80x50mm - 300x128mm
Material & Grades
Q235B / Q355B, A36 / A572 Gr50 / A992, S235JR / S275JR / S355JR, SS400 / SM490
Delivery Time
7–20 days (according to quantity and processing)
| Hot Rolled Steel I Beam | |||||||
|---|---|---|---|---|---|---|---|
| Size | H (mm) | B (mm) | Thickness (mm) | Weight (kg/m) | |||
| Value | Tolerance | Value | Tolerance | Value | Tolerance | ||
| 8# | 80 | ±2.0 | 50 | ±2.0 | 4.5 | ±0.5 | 7.520 |
| 10# | 100 | ±2.0 | 68 | ±2.0 | 4.5 | ±0.5 | 11.261 |
| 12# | 120 | ±2.0 | 74 | ±2.0 | 5.0 | ±0.5 | 13.987 |
| 14# | 140 | ±2.0 | 80 | ±2.0 | 5.5 | ±0.5 | 16.890 |
| 16# | 160 | ±2.0 | 88 | ±2.5 | 6.0 | ±0.5 | 20.513 |
| 18# | 180 | ±2.0 | 94 | ±2.5 | 6.5 | ±0.5 | 24.143 |
| 20A | 200 | ±3.0 | 100 | ±3.0 | 7.0 | ±0.7 | 27.929 |
| 20B | 200 | ±3.0 | 102 | ±3.0 | 9.0 | ±0.7 | 31.069 |
| 22A | 220 | ±3.0 | 110 | ±3.0 | 7.5 | ±0.7 | 33.070 |
| 22B | 220 | ±3.0 | 112 | ±3.0 | 9.5 | ±0.7 | 36.524 |
| 25A | 250 | ±3.0 | 116 | ±3.0 | 8.0 | ±0.7 | 38.050 |
| 25B | 250 | ±3.0 | 118 | ±3.0 | 10 | ±0.7 | 42.030 |
| 28A | 280 | ±3.0 | 122 | ±3.0 | 8.5 | ±0.7 | 43.492 |
| 28B | 280 | ±3.0 | 124 | ±3.0 | 10.5 | ±0.7 | 47.888 |
| 30A | 300 | ±3.0 | 126 | ±3.0 | 9.0 | ±0.7 | 48.084 |
| 30B | 300 | ±3.0 | 128 | ±3.0 | 11 | ±0.7 | 52.794 |
Product Display

Hot rolling production line

Warehouse stock

Product Labels

Loaded into container

Transported to the port

In the port yard
Shipping Process
Exhibition

Exhibition 01

Exhibition 02

Exhibition 03

Exhibition 04

Exhibition 05

Exhibition 06
Company Certificate

CE

ISO14001:2015

ISO9001:2015

Tianjin Metal Materials Industry Association

Alliance of China Steel Export

China National Association of Metal Material Trade
FAQ
Are you a manufacturer?
Absolutely. We are a direct manufacturer with our own large-scale facility located in Tianjin, China. You are more than welcome to visit us!
Can I place a trial order for just a few tons?
Certainly. We value every partner regardless of the order size. We can easily arrange an LCL (Less than Container Load) shipment to accommodate your specific needs.
Is the sample free of charge?
Yes, we provide samples for free so you can verify our quality. We only ask the buyer to cover the courier cost.
How long is the delivery time?
Most sizes are in stock and can be shipped immediately. Custom processing or large volumes typically take 7 to 20 days.
What surface treatments do you offer for I-beams?
We offer black bare (original rolling surface), anti-rust painting, hot dip galvanized, and anti-rust oil coating to suit different environmental requirements.
Which steel grades can you provide?
We support a wide range of standards and grades, including Q235B/Q355B, A36/A572 Gr50/A992, S235JR/S275JR/S355JR, and SS400/SM490.
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