Saftu led a march on Parliament to bring demands to the finance minister on the day of his budget speech.
Cosatu demands a labour-absorbing economic growth path, the reversal of the VAT hike and an end to state capture and corruption.
SAFTU believes that the budget speech that will be delivered on Wednesday will not be different to the ones before it.
Thousands of Cosatu-affiliated union members marched through the streets of South Africa against job losses, crisis at Eskom and high cost of living.
The strike by workers at the Blue Ribbon plant in Salt River, Cape Town, has entered into its third month without a prospect of its ending any time soon.
Blue Ribbon workers have been on strike for over seven weeks with an agreement with the employer still a distant prospect.