Door deigned in accordance with NS6090 standard. Made of A (RST-37) steel, as per PN-93/H-92147, the welded version. Lock pins mounted in steel sleeves. Hinge pins made of stainless steel. Locks and hinges equipped with DIN 3404 M10x1 stainless grease nipples. Door sealed with a 45x20 neoprene ...