Our black pipe is generally manufactured cold formed. As per your specific requirements, we are able to provide hot finished one through distressing, strictly following the standard of EN10210. With reference to the treatment for certain large welding seam, we tend to adopt the normalizing processing method for distressing to improve the whole effectiveness of pipes for the actual purposes. You can directly inform us of your various needs, and we will try to follow your requirements for a variety of pipe processing treatments. 

for consigning and packing, we are always taking it into serious consideration. During the process of packing, we load products with great careful in order to prevent steel pipes from scratching. We put customers' interests on the first place, so we adopt special packing methods such as inserting small pipes into large pipes with a determination to reduce space occupation. With smaller occupation of container space, the cost of consigning is reduced which is in accordance with the interest of customers. You can also put forward other requirements about packing or consigning.