... quality steel, Detailed Product Description Function: C shape purlin, Z shape purlin, H shape beam are widely used in factory ... : 2. 0 - 3. 0mm C) Coil width: 316mm 11) No. 11 model: A) Size: 180 x 60 x 20 B) Thickness ... . 0 - 3. 0mm C) Coil width: 396mm Size of Z shape purlins: 1) No. 1 model: A) Size: 80 x ... - 3. 0mm C) Coil width: 389mm steel, C Purlin / Z Purlin / H Beam, Steel Structure, Steel Work