Our company produces industrial grade sponge zirconium according to YS / t397-2015, and provides products of 3mm-25mm grain size, which are packed with galvanized barrels filled with argon and sealed, with a net weight of 100kg per barrel.
The chemical composition of firearm grade sponge zirconium is shown in the following table (mass fraction /%);
Industry Standard | Industrial-Grade | Product | Chemical Composition (mass fraction)/% | ||||||||||||||||||||||||||
Zr+Hf | Impurity Elements(Max) | ||||||||||||||||||||||||||||
Al | B | C | Cd | Cl | Co | Cr | Cu | Fe | H | Hf | Mg | Mn | Mo | N | Na | Ni | O | P | Pb | Si | Sn | Ti | U | V | W | ||||
ASTM | / | / | / | 0.0075 | 0.00005 | 0.025 | 0.00005 | 0.130 | 0.002 | 0.02 | 0.003 | 0.15 | / | 0.01 | / | 0.005 | 0.005 | 0.005 | / | 0.007 | 0.140 | / | / | 0.012 | / | 0.005 | / | / | 0.005 |
Baoti Huashen Standard | Industrial-Grade | HZr-1 | 99.4 | 0.008 | / | 0.005 | / | 0.006 | / | 0.005 | / | 0.03 | ＜0.0005 | 2.2 | 0.001 | 0.002 | / | 0.002 | / | 0.002 | 0.055 | / | ＜0.005 | 0.005 | / | ＜0.005 | / | ＜0.005 | / |
China | Industrial-Grade | HZr-1 | 99.4 | 0.030 | / | 0.030 | / | 0.130 | / | 0.020 | / | / | 0.0125 | 3.0 | 0.060 | 0.010 | / | 0.010 | / | 0.010 | 0.100 | / | 0.005 | 0.010 | / | 0.005 | / | 0.005 | / |