... , Q215, Q235, Q345 2) Color: black, bright, blue and yellow. 3) Size: 0.3-2.3mmx40 ... -230mm Detailed Product Description 1) Material: 50#, 65Mn, Q195, Q215, Q235, Q3452) Color: black ... , bright, blue and yellow.3) Specification: thickness: 0.3-2 ... These products are widely used in tools and hardware, final shutter spring (round edge), ...