PRODUCTS STANDARDS

PRODUCTS

PRODUCTS STANDARDS

ASME B16.5
Pipe flanges and flanged fittings

ASME B18.2.1a – Addenda to ASME B18.2.1
Square and hex bolts and screws (Inch series)

ASME B18.2.2
Square and hex nuts (Inch series)

UNI EN 1092 – 1
Flanges and their joints – Circular flanges for pipes, valves, fitting and accessories PN designated – Part 1: steel flanges

UNI EN ISO 4014 (ex UNI 5737)
Hexagon head bolts. Products grades A and B

UNI EN ISO 4017 (ex UNI 5739)
Hexagon head screews – Products grades A and B

UNI EN ISO 4762 (ex UNI 5931)
Hexagonsocket head cap sreews

UNI EN ISO 4032 (ex UNI 5588)
Hexagon nuts, style 1 Products grades A and B

UNI EN ISO 4033 (ex UNI 5587)
Hexagon nuts, style 2 Products grades A and B

UNI EN ISO 4035 (ex UNI 5589)
Hexagon thin nuts (chamfered). Products grades A and B

ASTM STANDARDS

PRODUCTS STANDARDS

MATERIAL STANDARDS