REFERENCE MATERIAL; LOW STEEL ALLOY; PHYSICAL STATE: SOLID; FORMAT:, DISCO; COMPOSITION: MANGANES 0.844PCT CHROME 0.612PCT SILICON 0.282PCT, COPPER 0.270PCT CARBON 0.106PCT ALUMINUM 0.046PCT NIQUEL 0.018PCT, PHOSPHORUS 0.016PCT NITROGEN 0.0092PCT NIOBIO 0.008PCT SULFUR 0.0048PCT, COBALT 0.0046PCT VANADIO 0.003PCT TIN 0.002PCT ARSENIO 0.0020PCT, TITANIUM 0.0014PCT MOLYBDIENE 0.0013PCT; QUALITY CERTIFICATE:, C/CERTIFICATE; REFERENCE/MANUFACTURER: IPT 500/IPT