ASTM E1587-17

Element

Mass Fraction, %

Antimony, less than

0.005

Arsenic, less than

0.005

Bismuth, less than

0.01

Cadmium, less than

0.0025

Carbon, max

0.03

Cobalt, max

1.00

Copper, max

1.00

Hydrogen, max

0.003

Iron, max

0.15

Lead, less than

0.01

Manganese, less than

0.20

Nickel, min

98.0

Nitrogen, less than

0.50

Oxygen, less than

0.03

Phosphorus, less than

0.005

Selenium, less than

0.0010

Silicon, less than

0.005

Silver, less than

0.01

Sulfur, max

0.01

Tellurium, less than

0.0010

Thallium, less than

0.0010

Tin, less than

0.005

Zinc, less than

0.015