Choose a suitable material for the following

98% w/w sulfuric acid at 70C.

5% w/w sulfuric acid at 30C.

30% w/w hydrochloric acid at 50C.

5% aqueous sodium hydroxide solution at 30C.

Concentrated aqueous sodium hydroxide solution at 50C.

5% w/w nitric acid at 30C.

Boiling concentrated nitric acid.

10% w/w sodium chloride solution

A 5% w/w solution of cuprous chloride in hydrochloric acid.

10% w/w hydrofluoric acid

In each case, select the material for a 50mm pipe operating at approximately 2 bar pressure