при одинаковых размерах и т.п.
• Size for size, the K-Prene springs are more expensive than the steel springs, but pressure for pressure they cost the same.
Источник:
Русско-английский научно-технический словарь
на Gufo.me
• Size for size, the K-Prene springs are more expensive than the steel springs, but pressure for pressure they cost the same.