Color codes Threaded Rods
Why have the ends of threaded rods colors? This is to serve a quick orientation on the steel grade their made of. According standard DIN976-1 page 11 chapter 6. Tabel 3 and F1554 anchor rods there is a approved color marking for threaded rods.
Be aware, some companies change the color by own specification which have nothing to do with the standard. This is often used in a coloring system for pricing. Manufacturers color their rods according this standard.
DIN976-1 (DIN975)
4.8 none
4.8* Orange RAL2009
5.6 Brown RAL8015
5.8 Blue RAL5010
8.8 Yellow RAL1023
8.8* Purple RAL4006
10.9 White RAL1013
12.9 Black RAL9017
A2 Green RAL6024
A4 Red RAL3000
*Undersized thread, common used material size before HDG treatment.
F1554
Grade 36 Marking PB AB36 BLUE
Grade 55 Marking PB AB55 YELLOW
Grade 105 Marking PB AB105 RED
Color codes Threaded Rods
Why have the ends of threaded rods colors? This is to serve a quick orientation on the steel grade their made of. According standard DIN976-1 page 11 chapter 6. Tabel 3 and ASTM F1554 anchor rods there is a approved color marking for threaded rods.
Be aware, some companies change the color by own specification which have nothing to do with the standard. This is often used in a coloring system for pricing. Manufacturers color their rods according this standard.
Summary:
DIN976-1 (DIN975)
- 4.8 none
- 4.8* Orange RAL2009
- 5.6 Brown RAL8015
- 5.8 Blue RAL5010
- 8.8 Yellow RAL1023
- 8.8* Purple RAL4006
- 10.9 White RAL1013
- 12.9 Black RAL9017
- A2 Green RAL6024
- A4 Red RAL3000
*Undersized thread, common used material size before HDG treatment.
ASTM F1554
- Grade 36 Marking PB AB36 BLUE
- Grade 55 Marking PB AB55 YELLOW
- Grade 105 Marking PB AB105 RED
