

DD51D+Z is a kind of hot-rolled basal plate under the  standard Q/BQB 420-2003. It is a kind of low alloy steel. The size we can  produce for DD51D is thickness 1.8-2.8mm.
DD51D+Z Chemical composition:
| Grade | Chemical composition % | |||||||
| C | Si | Mn | P | S | Alt | Ti | Nb | |
| DD51D+Z | 0.10 | - | 0.50 | 0.035 | 0.035 | - | - | - | 
| STEEL GRADE | Tensile    Strength | Yield    Strength | Elongation%    min | The    coating adhesion | 
| - | ||||
| DD51D+Z | 270-500 | - | 0a | 
The grade St01ZR and St02ZR is all same with DD51D+Z for the chemical composition and mechanical property. BEBON can provide DD51D+Z steel plate and DD51D+Z steel strip. Our company, BEBON just produce a lot of DD51D+Z and put them into our warehouse to meet the customer’s urgent need. The thickness for DD51D+Z is 1.8-2.8mm and the length is 1-6 meters. Also we can cut it into short plate. Our factory also can produce DD51D+Z steel strip.