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BS EN 2070-4

ASTM A193/A193M

Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications

ASTM A193 A193M

BS 7608

BS 1728-8

BS S 526

BS EN 604-1

BS EN 27627-2

BS 3L 58

BS 3S 500

BS 6200-6.1