Description
Overview of GB/T706-2008 Standard
GB/T706-2008 is a Chinese national standard that specifies requirements for hot-rolled steel angles, including dimensions, tolerances, and technical specifications.
Types and Dimensions of GB/T706-2008 Angle Steel
GB/T706-2008 covers both equal and unequal leg angle steel. Here’s a sample table of dimensions for angle steel:
| Type | A (mm) | B (mm) | Thickness (mm) |
|---|---|---|---|
| ∠70×45×4 | 70 | 45 | 4 |
| ∠70×45×5 | 70 | 45 | 5 |
| ∠70×45×6 | 70 | 45 | 6 |
Tolerances and Specifications
Tolerances for GB/T706-2008 angle steel:
- Leg width: ±0.8 mm to ±3.5 mm (depending on size)
- Leg thickness: ±0.4 mm to ±1.4 mm (depending on size)
- Right angle at corner: ≤50′
- Curvature: ≤ 3mm/m, general curvature ≤ 0.30% of total length
Applications of GB/T706-2008 Angle Steel
- Shipbuilding
- Construction and steel structures
- Manufacturing and machinery
- Transportation infrastructure
Manufacturing Process at HL Steel
At HL Steel, we produce GB/T706-2008 Angle Steel using advanced hot-rolling techniques:
- Raw material preparation
- Heating
- Rolling
- Cooling
- Quality control and inspection
People Also Ask(FAQ):
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What is the standard length for GB/T706-2008 angle steel?
The normal length of angle steel according to GB/T706-2008 is 4000mm – 19000mm
-
What materials are used for GB/T706-2008 angle steel?
GB/T706-2008 angle steel is typically made from carbon steel or alloy steel.
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How is the weight of GB/T706-2008 angle steel calculated?
The theoretical weight can be calculated using the formula: W(kg/m) = 0.00785 * Side thickness * (2 * side width – side thickness).
-
What surface treatments are available for GB/T706-2008 angle steel?
Common surface treatments include hot-dip galvanizing and hot-dip galvanized aluminum magnesium coating
-
What are the typical applications for GB/T706-2008 angle steel?
GB/T706-2008 angle steel is used in shipbuilding, construction, steel structures, door and window frames, shelves, agricultural equipment frames, and various other applications





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