钢结构基本原理课件6
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TW/TM/TN section height (H-Shapes)× flange width (H-Shapes) × web thickness × flange thickness.
2.4.1
6.
Hot-rolled Steel Products in China
Square steel tubes and steel pipes
（2）Types of square steel tubes
1 Welded square steel tubes and hot-rolled seamless square steel tubes. 2 Square steel tubes representation method, unit: mm.
3.
Hot-rolled Steel Products in China
I-Shapes
（2）Types of I-Shapes
1 I-Shapes divide into usual I-Shapes and lightweight I-Shapes. 2 Lightweight I-Shapes have thinner webs and flanges than usual I-Shapes. 3 Usual I-Shapes: I section height, unit: cm—for example, I16.
2.4.1
4.
Hot-rolled Steel Products in China
Channels
（2）Types of Channels
4 Lightweight Channels: Q[ section height, unit: cm. For example, Q[16. 5 For Channels over [ 20, there are two or three web thicknesses for the same
Fig.2.15 H-shapes
Fig.2.16 Split T-shapes
2.4.1
5.
Hot-rolled Steel Products in China
H-Shapes and split T-Shapes
（2）Types of H-shapes
1 Wide flange H-shape: code HW, flange width is equal to section height. 2 Middle flange H-shape: code HM, flange width is equal to 2/3 section height. 3 Narrow flange H-shape: code HN, flange width is equal to (1/3 to 1/2) section height. 4 H-shapes representation method, unit: mm.
2 The wall thickness of CFS members is generally 1.5mm to 25mm.
2.4.2
2.
Cold-formed Steel (CFS) Products in China
Profiled steel sheeting
（1）Photos of profiled steel sheeting
2.4.1
2.
Hot-rolled Steel Products in China
Angles
（1）Photos of Angles
Fig.2.9 Angles with equal legs
Fig.2.10 Angles with unequal legs
2.4.1
2.
Hot-rolled Steel Products in China
1.
Cold-formed Steel (CFS) Products in China
Cold-formed Steel members
（2）Molding method and thickness
1 The profile member made of cold-rolled thin steel plate, generally Q215, Q235, or Q345, by molding or bending.
2.4.1
3.
Hot-rolled Steel Products in China
I-Shapes
（2）Types of I-Shapes
4 Lightweight I-Shapes: QI section height, unit: cm. For example, QI16. 5 For I-Shapes over I20, there are three web thicknesses for the same number,
Fig.2.7 Hot-rolled steel plate
Fig.2.8 Hot-rolled flat steel
2.4.1
1.
Hot-rolled Steel Products in China
Steel plates
（2）Types of steel plates
1 Thick steel plate: thickness is 4.5 mm to 60 mm, width is 700 mm to 3000mm. 2 Flat steel: thickness is 4 mm to 60mm, width is 12 mm to 200mm. 3 Representation method: - width × thickness × length, unit: mm.
Fig.2.14 Lightweight Channels
2.4.1
4.
Hot-rolled Steel Products in China
Channels
（2）Types of Channels
1 Channels divide into usual Channel and lightweight Channel. 2 Lightweight Channels have thinner webs and flanges than usual Channels. 3 Channels: [ section height, unit: cm. For example, [16.
1 Split T-Shapes formed by cutting the web of a corresponding H-shape.. 2 Wide flange: TW; Middle flange: TM; Narrow flange: TN. 3 Split T-Shapes representation method, unit: mm.
number, which are a and b or c. For example, [25a, [25b, and [25c.
2.4.1
5.
Hot-rolled Steel Products in China
H-Shapes and split T-Shapes
（1）Photos of H-Shapes and split T-Shapes
2.4.1 Hot-rolled Steel Products in China 2.4.2 Cold-formed Steel (CFS) Products in China
2.4.1
1.
Hot-rolled Steel Products in China
Steel plates
（1）Photos of steel plates
3 The substrate thickness of color profiled steel sheeting is generally from 0.4 mm to 1.6mm. It is used to make roof plates or wall plates.
2.4.2
1.
Cold-formed Steel (CFS) Products in China
Cold-formed Steel members
（1）Common section forms
Fig.2.19 The typical section forms of CFS members
2.4.2
For example, L 100×6 .
2.4.1
3.
Hot-rolled Steel Products in China
I-Shapes
（1）Photos of I-Shapes
Fig.2.11 Usual I-Shapes
Fig.2.12 Lightweight I-Shapes
2.4.1
which are a, b, and c. For example, I30a, I30b, and I30c.
2.4.1
4.
Hot-rolled Steel Products in China
Channels
（1）Photos of Channels
Fig.2.13 Usual Channels
HW/HM/HN section height × flange width × web thickness × flange thickness.
2.4.1
5.
Hot-rolled Steel Products in China
H-Shapes and split T-Shapes
（3）Types of split T-Shapes
□ section width × section height ×thickness.
2.4.1
6.
Hot-rolled Steel Products in China
Square steel tubes and steel pipes
（3）Types of steel pipes
1 Welded steel pipes and hot-rolled seamless steel pipes. 2 Steel pipes representation: Φ outer diameter× thickness, unit: mm.
1 The profiled steel sheeting is made of cold-rolled thin steel plate, generally Q215 or Q235, by molding.
2 The substrate thickness of profiled steel sheeting is generally from 0.75mm To 2.0mm. After galvanizing, it is used to make composite slab with concrete.
（1）Photos of steel tube and pipe
Fig.2.17 Square steel tube
Fig.2.18 Steel ot-rolled Steel Products in China
Square steel tubes and steel pipes
Fig.2.20 Usual profiled steel sheeting
Fig.2.21 Color profiled steel sheeting
2.4.2
2.
Cold-formed Steel (CFS) Products in China
Profiled steel sheeting
（2）Molding method and thickness
Angles
（2）Types of Angles
1 Angles divide into unequal legs and equal legs. 2 Angles with unequal legs: L long-leg width × short-leg width × thickness,
unit: mm. For example, L 100 × 60 ×6 . 3 Angles with equal legs: L leg width × thickness, unit: mm.
2.4.1
6.
Hot-rolled Steel Products in China
Square steel tubes and steel pipes
（2）Types of square steel tubes
1 Welded square steel tubes and hot-rolled seamless square steel tubes. 2 Square steel tubes representation method, unit: mm.
3.
Hot-rolled Steel Products in China
I-Shapes
（2）Types of I-Shapes
1 I-Shapes divide into usual I-Shapes and lightweight I-Shapes. 2 Lightweight I-Shapes have thinner webs and flanges than usual I-Shapes. 3 Usual I-Shapes: I section height, unit: cm—for example, I16.
2.4.1
4.
Hot-rolled Steel Products in China
Channels
（2）Types of Channels
4 Lightweight Channels: Q[ section height, unit: cm. For example, Q[16. 5 For Channels over [ 20, there are two or three web thicknesses for the same
Fig.2.15 H-shapes
Fig.2.16 Split T-shapes
2.4.1
5.
Hot-rolled Steel Products in China
H-Shapes and split T-Shapes
（2）Types of H-shapes
1 Wide flange H-shape: code HW, flange width is equal to section height. 2 Middle flange H-shape: code HM, flange width is equal to 2/3 section height. 3 Narrow flange H-shape: code HN, flange width is equal to (1/3 to 1/2) section height. 4 H-shapes representation method, unit: mm.
2 The wall thickness of CFS members is generally 1.5mm to 25mm.
2.4.2
2.
Cold-formed Steel (CFS) Products in China
Profiled steel sheeting
（1）Photos of profiled steel sheeting
2.4.1
2.
Hot-rolled Steel Products in China
Angles
（1）Photos of Angles
Fig.2.9 Angles with equal legs
Fig.2.10 Angles with unequal legs
2.4.1
2.
Hot-rolled Steel Products in China
1.
Cold-formed Steel (CFS) Products in China
Cold-formed Steel members
（2）Molding method and thickness
1 The profile member made of cold-rolled thin steel plate, generally Q215, Q235, or Q345, by molding or bending.
2.4.1
3.
Hot-rolled Steel Products in China
I-Shapes
（2）Types of I-Shapes
4 Lightweight I-Shapes: QI section height, unit: cm. For example, QI16. 5 For I-Shapes over I20, there are three web thicknesses for the same number,
Fig.2.7 Hot-rolled steel plate
Fig.2.8 Hot-rolled flat steel
2.4.1
1.
Hot-rolled Steel Products in China
Steel plates
（2）Types of steel plates
1 Thick steel plate: thickness is 4.5 mm to 60 mm, width is 700 mm to 3000mm. 2 Flat steel: thickness is 4 mm to 60mm, width is 12 mm to 200mm. 3 Representation method: - width × thickness × length, unit: mm.
Fig.2.14 Lightweight Channels
2.4.1
4.
Hot-rolled Steel Products in China
Channels
（2）Types of Channels
1 Channels divide into usual Channel and lightweight Channel. 2 Lightweight Channels have thinner webs and flanges than usual Channels. 3 Channels: [ section height, unit: cm. For example, [16.
1 Split T-Shapes formed by cutting the web of a corresponding H-shape.. 2 Wide flange: TW; Middle flange: TM; Narrow flange: TN. 3 Split T-Shapes representation method, unit: mm.
number, which are a and b or c. For example, [25a, [25b, and [25c.
2.4.1
5.
Hot-rolled Steel Products in China
H-Shapes and split T-Shapes
（1）Photos of H-Shapes and split T-Shapes
2.4.1 Hot-rolled Steel Products in China 2.4.2 Cold-formed Steel (CFS) Products in China
2.4.1
1.
Hot-rolled Steel Products in China
Steel plates
（1）Photos of steel plates
3 The substrate thickness of color profiled steel sheeting is generally from 0.4 mm to 1.6mm. It is used to make roof plates or wall plates.
2.4.2
1.
Cold-formed Steel (CFS) Products in China
Cold-formed Steel members
（1）Common section forms
Fig.2.19 The typical section forms of CFS members
2.4.2
For example, L 100×6 .
2.4.1
3.
Hot-rolled Steel Products in China
I-Shapes
（1）Photos of I-Shapes
Fig.2.11 Usual I-Shapes
Fig.2.12 Lightweight I-Shapes
2.4.1
which are a, b, and c. For example, I30a, I30b, and I30c.
2.4.1
4.
Hot-rolled Steel Products in China
Channels
（1）Photos of Channels
Fig.2.13 Usual Channels
HW/HM/HN section height × flange width × web thickness × flange thickness.
2.4.1
5.
Hot-rolled Steel Products in China
H-Shapes and split T-Shapes
（3）Types of split T-Shapes
□ section width × section height ×thickness.
2.4.1
6.
Hot-rolled Steel Products in China
Square steel tubes and steel pipes
（3）Types of steel pipes
1 Welded steel pipes and hot-rolled seamless steel pipes. 2 Steel pipes representation: Φ outer diameter× thickness, unit: mm.
1 The profiled steel sheeting is made of cold-rolled thin steel plate, generally Q215 or Q235, by molding.
2 The substrate thickness of profiled steel sheeting is generally from 0.75mm To 2.0mm. After galvanizing, it is used to make composite slab with concrete.
（1）Photos of steel tube and pipe
Fig.2.17 Square steel tube
Fig.2.18 Steel ot-rolled Steel Products in China
Square steel tubes and steel pipes
Fig.2.20 Usual profiled steel sheeting
Fig.2.21 Color profiled steel sheeting
2.4.2
2.
Cold-formed Steel (CFS) Products in China
Profiled steel sheeting
（2）Molding method and thickness
Angles
（2）Types of Angles
1 Angles divide into unequal legs and equal legs. 2 Angles with unequal legs: L long-leg width × short-leg width × thickness,
unit: mm. For example, L 100 × 60 ×6 . 3 Angles with equal legs: L leg width × thickness, unit: mm.