Scotland, though, made it extremely hard for the Blitzboks and Neil Powell's men took a narrow 7-0 lead into half time thanks to a try from Rosko Specman.
The jubilant scenes which followed England's semi-final win over Jamaica were repeated and exceeded as Helen Housby netted in the final second for Tracey Neville's side to win the most astonishing of contests.
They will play either Scotland or Wales for fifth place later on Sunday, while the Australian women's team meet Canada in a semi-final.
Rosko Specman opened the scoring for South Africa with just over two minutes left in the first half.
Netanyahu: 'Full Support' for US Syria Strikes
Iranian officials have made calls to Syrian leaders in the wake of the US -led airstrikes against Syrian targets. The Pentagon says they believe the airstrikes "attacked the heart of the Syrian chemical weapons program".
Trump to Address Nation from the White House
The President and his legal team are also re-evaluating whether Trump should sit down for an interview with Mueller's team. Trump did not take questions on these issues Wednesday as he signed an anti-online sex trafficking bill into law.
Economic Times: Apple begins iPhone 6s production in India
Meanwhile, Apple has joined their hands with the local partners in India, including chargers, adapters and box packaging. The Indian government has steadily raised the customs duty on imported mobile phones from 10 per cent to 20 per cent.