3.
150mm考虑。角
C22 C22 C25 C25 C25 C28 C28 C28
C32
C32 C36 C36 C36 C40 C40 C40非钢
L40 L40 L40 L45 L45 L45 L45 L50 L50 L50 L50 L56 L56 L56 L56 L63 L63 L63 L63 L63 L70 L70 L70 L70 L70
L75 L75 L75 L75 L80 L80 L80 L80 L80 L90 L90 L90 L90 L90 L10 L10 L10 L10 L10 L10 L10 L12 L12 L12 L12 L14 L14 L14 L14 L16 L16 L16 L16 L16 L18 L18 L18 L18 L18 L20 L20 L20
L20 L20 L20 L40 L40 L45 L45 L50 L50 L56 L56 L56 L63 L63 L63 L63 L70 L70 L70 L70 L75 L75 L75 L75 L75 L80 L80 L80 L80 L80 L90 L90 L90 L90 L90 L10 L10 L10 L10 L10 L10
L10 L11 L11 L11 L11 L12 L12 L12 L12 L14 L14 L14 L14 L16 L16 L16 L16 L16 L18 L18 L18 L18 L20 L20 L20 L20 L20
；5.
按B＝
从中选择。
角钢型号L40x3
L40x4
L40x5
L45x3
L45x4
L45x5
L45x6
L50x3
L50x4
L50x5
L50x6
L56x3
L56x4
L56x5
L56x6
L63x4
L63x5
L63x6
L63x8
L63x10
L70x4
L70x5
L70x6
L70x7
L70x8
L75x6 L75x8 L75x10 L75x12 L80x5 L80x6 L80x7 L80x8 L80x10 L90x6 L90x7 L90x8 L90x10 L90x12 L100x6 L100x7 L100x8 L100x10 L100x12 L100x14 L100x16 L125x8 L125x10 L125x14 L125x16 L140x8 L140x10 L140x12 L140x16 L160x8 L160x10 L160x12 L160x14 L160x16 L180x10 L180x12 L180x14 L180x16 L180x18 L200x10 L200x12 L200x14
L200x18
L200x20
L200x24
L40x25x3 L40x25x4 L45x28x3 L45x28x4 L50x32x3 L50x32x4 L56x36x3 L56x36x4 L56x36x5 L63x40x4 L63x40x5 L63x40x6 L63x40x7 L70x45x4 L70x45x5 L70x45x6 L70x45x7 L75x50x5 L75x50x6 L75x50x7 L75x50x8 L75x50x10 L80x50x5 L80x50x6 L80x50x7 L80x50x8 L80x50x10 L90x56x5 L90x56x6 L90x56x7 L90x56x8 L90x56x10 L100x63x6 L100x63x7 L100x63x8 L100x63x10 L100x80x6 L100x80x7
L100x80x10 L110x70x6 L110x70x7 L110x70x8 L110x70x10 L125x80x7 L125x80x8 L125x80x10 L125x80x12 L140x90x8 L140x90x10 L140x90x12 L140x90x14 L160x100x8 L160x100x10 L160x100x12 L160x100x14 L160x100x16 L180x110x10 L180x110x12 L180x110x14 L180x110x16 L200x125x10 L200x125x12 L200x125x14 L200x125x16 L200x125x18