The wide variation in pressure readings of the German manufacture 7mm ball leads me to believe that particular lot of ammunition was in fact degraded by tropical heat despite the degradation not being notable by simply looking at the powder and smelling it.
Intended working pressure of fresh ammo was more likely meant to be in the 43-45K CUP range.
The French ammo certainly showed some signs of poor manufacture and degradation as well.
That said the flurry of 7.62 NATO chambered rifles that suffered action failures at about the same time the Spanish 7.62 Mauser rifles began to be imported in quantity were caused by a very defective lot of Santa Barbra marked ammunition that when tested showed a percentage of those cartridges generated pressures of 67-68 K CUP, about the same as the US Army HPT High Pressure Test cartridge.
Another lot of defective 7.62 ammunition manufactured By CBC was also implicated in numerous action failures of rifles of various action types.
The M118 cartridge has a higher working pressure than what you see quoted in the ammunition technical manuals. Until recent years the propellant used for M118 Special ball was subject to increasing pressure in warm climates, up to 59,000 CUP in heated ammunition testing meant to mimic the heat inside an armored vehicle in desert conditions .
Recent developments in propellants have greatly reduced the sensitivity to heat.
The Propellant Procurement data sheets give pressures for the M118 in CUP only.
The Maximum Average Working Pressure of M-80 Ball is 48,000 CUP ( slightly less than the average for the German 7mm ammo tested) or 51,000 PSI. That's about the Max that I'd subject a 93-95 Mauser action to as a steady diet.