Download the Latest Angle Steel Bar Specifications and Dimensions.
GB Q195 Q235B Q355B Q420 20×20 -100x100mm Structural Carbon Steel Angle Bar
Product Detail
| Type | Equal, Unequal | Invoicing | By Theoretical Weight |
| Standard | GB | Application | Metal structures, bridges, building structures |
| Grade | Q195-Q420 | Brand Name | Royal |
| Tolerance | ±1% | Place of Origin | Tianjin, China |
| Processing Service | Bending, Welding, Punching, Decoiling, Cutting | Surface treatment | Black coating, Galvanization |
| Delivery Time | 7 - 15 days | Thickness | 2 – 16 mm |
| Alloy Or Not | Non-Alloy | Length | 6m / 9m / 12m, or custom-made according to customer requirements |
GB Angle Steel Bar Chemical Composition
| Grade | C (%) ≤ | Si (%) ≤ | Mn (%) | S (%) ≤ | P (%) ≤ |
| Q195 | 0.12 | 0.3 | ≤0.50 | 0.04 | 0.035 |
| Q235B | 0.17–0.24 | 0.35 | 0.35–0.70 | 0.045 | 0.045 |
| Q355B | 0.2 | 0.55 | 1.00–1.60 | 0.035 | 0.035 |
| Q420 | 0.2 | 0.55 | 1.00–1.70 | 0.03 | 0.03 |
GB Angle Steel Bar Mechanical Properties
| Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) ≥ |
| Q195 | ≥195 | 315–430 | 33 |
| Q235B | ≥235 | 375–500 | 26 |
| Q355B | ≥355 | 470–630 | 22 |
| Q420 | ≥420 | 520–680 | 19 |
GB Angle Steel Bar Size
GB equal angle steel specification
GB unequal angle steel specification
GB equal angle steel specification
| Size (mm) | Thickness (mm) | Weight (kg/m) | Size (mm) | Thickness (mm) | Weight (kg/m) |
| 20×20 | 3 | 0.889 | 60×60 | 5 | 4.576 |
| 20×20 | 4 | 1.145 | 60×60 | 6 | 5.427 |
| 25×25 | 3 | 1.124 | 63×63 | 6 | 5.721 |
| 25×25 | 4 | 1.459 | 70×70 | 6 | 6.406 |
| 30×30 | 3 | 1.373 | 70×70 | 7 | 7.398 |
| 30×30 | 4 | 1.786 | 75×75 | 7 | 7.976 |
| 30×30 | 5 | 2.176 | 75×75 | 8 | 9.03 |
| 40×40 | 3 | 1.852 | 80×80 | 8 | 9.658 |
| 40×40 | 4 | 2.422 | 80×80 | 10 | 11.874 |
| 40×40 | 5 | 2.976 | 90×90 | 8 | 10.83 |
| 50×50 | 4 | 3.059 | 90×90 | 10 | 13.476 |
| 50×50 | 5 | 3.77 | 100×100 | 8 | 12.276 |
| 50×50 | 6 | 4.465 | 100×100 | 10 | 15.12 |
GB unequal angle steel specification
| Leg 1 (mm) | Leg 2 (mm) | Thickness (mm) | Weight (kg/m) | Leg 1 (mm) | Leg 2 (mm) | Thickness (mm) | Weight (kg/m) |
| 30 | 20 | 3 | 1.14 | 100 | 50 | 6 | 6.98 |
| 30 | 20 | 4 | 1.49 | 100 | 50 | 8 | 9.16 |
| 40 | 20 | 3 | 1.38 | 100 | 50 | 10 | 11.3 |
| 40 | 20 | 3 | 1.8 | 100 | 65 | 7 | 8.96 |
| 40 | 25 | 4 | 1.97 | 100 | 65 | 8 | 10.2 |
| 45 | 30 | 4 | 2.3 | 100 | 65 | 9 | 11.3 |
| 45 | 30 | 5 | 2.82 | 100 | 65 | 10 | 12.5 |
| 50 | 30 | 5 | 3.02 | 100 | 75 | 7 | 9.52 |
| 50 | 30 | 6 | 3.58 | 100 | 75 | 8 | 10.8 |
| 50 | 40 | 4 | 2.77 | 100 | 75 | 9 | 12.1 |
| 50 | 40 | 5 | 3.42 | 100 | 75 | 10 | 13.3 |
| 50 | 40 | 6 | 4.03 | 100 | 75 | 11 | 14.6 |
| 60 | 30 | 5 | 3.43 | 100 | 75 | 12 | 15.8 |
| 60 | 30 | 6 | 4.06 | 120 | 80 | 8 | 12.4 |
| 60 | 30 | 7 | 4.68 | 120 | 80 | 10 | 15.3 |
| 60 | 40 | 5 | 3.83 | 120 | 80 | 12 | 18.2 |
| 60 | 40 | 6 | 4.54 | 130 | 65 | 8 | 12.1 |
| 60 | 40 | 7 | 5.24 | 130 | 65 | 10 | 14.9 |
| 65 | 50 | 5 | 4.43 | 130 | 65 | 12 | 17.7 |
| 65 | 50 | 6 | 5.26 | 130 | 75 | 8 | 12.7 |
| 65 | 50 | 7 | 6.08 | 130 | 75 | 10 | 15.7 |
| 65 | 50 | 8 | 6.88 | 130 | 75 | 12 | 18.6 |
| 75 | 50 | 5 | 4.83 | 130 | 90 | 10 | 17 |
| 75 | 50 | 6 | 5.75 | 130 | 90 | 12 | 20.1 |
| 75 | 50 | 7 | 6.65 | 150 | 75 | 9 | 15.7 |
| 75 | 50 | 8 | 7.53 | 150 | 75 | 10 | 17.4 |
| 75 | 50 | 9 | 8.4 | 150 | 75 | 11 | 18.9 |
| 75 | 55 | 5 | 5.04 | 150 | 75 | 12 | 20.6 |
| 75 | 55 | 7 | 6.93 | 150 | 90 | 10 | 18.6 |
| 75 | 65 | 6 | 6.49 | 150 | 90 | 12 | 22 |
| 75 | 65 | 8 | 8.48 | 150 | 90 | 15 | 27.1 |
| 75 | 65 | 10 | 10.5 | 150 | 100 | 10 | 19.3 |
| 80 | 40 | 6 | 5.51 | 150 | 100 | 12 | 23 |
| 80 | 40 | 8 | 7.21 | 150 | 100 | 14 | 26.6 |
| 80 | 60 | 6 | 6.49 | 160 | 80 | 10 | 18.5 |
| 80 | 60 | 7 | 7.5 | 160 | 80 | 12 | 22 |
| 80 | 60 | 8 | 8.48 | 160 | 80 | 14 | 25.4 |
| 80 | 65 | 6 | 6.73 | 200 | 100 | 10 | 23.4 |
| 80 | 65 | 8 | 8.82 | 200 | 100 | 12 | 27.8 |
| 80 | 65 | 10 | 10.9 | 200 | 100 | 15 | 34.4 |
| 90 | 65 | 6 | 7.22 | 250 | 90 | 10 | 26.6 |
| 90 | 65 | 7 | 8.32 | Material: Length = 6 - 12 meters | |||
| 90 | 65 | 8 | 9.44 | ||||
| 90 | 65 | 10 | 11.7 | ||||
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GB Angle Steel Customized Content
| Category | Options / Description | MOQ |
| Dimension | Custom lengths available | 20 tons |
| Processing | Cutting, drilling, slotting, bevels, mitre cuts, welding prep | 20 tons |
| Surface | Black, painted/epoxy, hot-dip galvanizing | 20 tons |
| Marking & Packaging | Custom labels; bundles with straps, padding, and moisture protection | 20 tons |
Main Application
Engineering & Construction
Widely used in building structural frames, bracing systems and various construction projects, providing reliable and stable support for main structures.
Manufacturing & Fabrication
Ideal for producing frames, rails, brackets and welded components, with excellent weldability and high adaptability to various processing requirements.
Civil Engineering
Widely applied in bridge structures, transmission towers, steel structures and general infrastructure projects, ensuring high structural stability and safety.
Machinery & Equipment
Suitable for manufacturing mechanical parts, equipment bases and support frames, delivering high rigidity and durability to maintain stable operation.
Warehousing & Logistics
Used as key structural material for shelves, storage racks and loading platforms, supporting heavy loads and optimizing warehouse layout efficiently.
Shipbuilding & Offshore Engineering
Applied in reinforcing plates, side keels and deck structures, satisfying high strength and structural stability requirements in marine environments.
Why Choose China Royal Steel?
1.Professional Manufacturer
Direct factory with stable production capacity and competitive factory price.
2.Full Standard & Grade
Meet GB, ASTM, AISI, BS, DIN, JIS standards, with complete grades and sufficient stock.
3.Complete Specifications
Equal and unequal angle steel in regular sizes, customizable length, thickness and surface.
4.Strict Quality Control
Stable performance, reliable mechanical properties, with official test certificates.
5.Fast Delivery & Flexible Service
Short lead time, supporting cutting, punching, bending and other processing services.
Packaging & Shipping
Packaging: Standard seaworthy steel bundles with steel strips, suitable for ocean transportation.
Delivery: Regular sizes in stock for fast shipment; customized orders within 8–20 days.
Trade Terms: FOB, CIF, CFR, CNF available.
Shipping: By container or bulk vessel, with complete export documents provided.
FAQ
Q1: Are you a manufacturer?
A: We are a direct manufacturer with our own factory and production lines located in Tianjin, China.
Q2: Do you accept third-party inspection?
A: Yes, we welcome inspections by SGS, BV, TUV or any other authorized institutions.
Q3: What certificates can you provide?
A: We provide original MTC, test reports, and commercial documents such as certificate of origin.
Q4: How long is the delivery time?
A: Stock items: 7–15 days. Customized orders: 8–20 days.
Q5: How can I get a quote?
A: Please send us the required grade, size, quantity and destination port, we will reply with the best price promptly.
Address
Bl20, Shanghecheng, Shuangjie Street, Beichen District, Tianjin, China
Phone
+86 13652091506
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