Marking For Piping Material
Color Code
Group
Material
Discrimination Color
Yellow
A53 TYPE F
Pink
A134
-------
A53 Gr. A
Yellow
A106 Gr. A
Orange
API 5L Gr. B
White
A53 Gr. B
-------
A106 Gr. B
1A
1B
CARBON
STEEL
ASTM Material
1C
A283 Gr. C
-------
A515 Gr. 60
A234 Gr. WPB
------------A234 Gr. WPB
1D
2A
AL-KILLED
CARBON STEEL
2B
3.1/2 Ni
3A
1.1/4 Cr-1/2Mo
2.1/4 Cr-1Mo
3B
5Cr-1/2Mo
9Cr-1Mo
Yellow
Sky-Blue
A106 Gr. C
-------
A234 Gr. WPC
Silver
Light Green
A333 Gr. 6
A20
(A516 Gr. 60)
A420 Gr. WPL 6
A333 Gr. 3
A20
(A230 Gr. D)
A420 Gr. WPL 3
A387 Gr. 11
A387 Gr. 22
A234 Gr WP11
A234 Gr WP22
A387 Gr. 5
A234 Gr WP5
A234 Gr. WP9
A240 TYPE 304
A403 Gr. WP 304
A240 TYPE 304 H
A403 Gr. WP 304 H
A240 TYPE 304 L
A403 Gr. WP 304 L
A240 TYPE 321
A403 Gr. WP 321
A240 TYPE 321 H
A403 Gr. WP 321 H
A240 TYPE 316
A403 Gr. WP 316
A240 TYPE 316 H
A403 Gr. WP 316 H
A312 Gr. TP 316L
A240 TYPE 316 L
A403 Gr. WP 316 L
A312 Gr. TP 316L
A240 TYPE 316 L
UREA GRADE
A403 Gr. WP 316 L
UREA GRADE
Silver
Orange
Green
Green
Yellow
Silver
A335 Gr. P11
A335 Gr. P22
Green
Blue
A335 Gr. P5
Green
Pink
A335 Gr. P9
A312 Gr. TP 304
18Cr-8Ni
-------
A358 Gr. TP 304
A409 Gr. TP 304
A312 Gr. TP 304H
18Cr-8Ni H
Orange
Brown
A358 Gr. TP 304H
18Cr-8Ni L
Orange
A312 Gr. TP 304L
A312 Gr. TP 321
18Cr-8Ni Ti
Orange
White
A358 Gr. TP 321
A409 Gr. TP 321
18Cr-8Ni TiH
Brown
White
A312 Gr. TP 321H
A312 Gr. TP 316
18Cr-12Ni-Mo
Brown
A358 Gr. TP 316
4
A409 Gr. TP 316
A312 Gr. TP 316H
18Cr-12Ni-MoH
Brown
Black
A358 Gr. TP 316
18Cr-12Ni-MoL
Brown
Yellow
18Cr-12Ni-Mo
Modofied
Brown
Green
22Cr-12Ni
Orange
Blue
A312 Gr. TP 309
A240 TYPE 309 S
A403 Gr. WP 309
25Cr-20Ni
Orange
Pink
A312 Gr. TP 310
A240 TYPE 310 S
A403 Gr. WP 310
A240 TYPE 347
A403 Gr. WP 347
A240 TYPE 347 H
A403 Gr. WP 347 H
UREA GRADE
A312 Gr. TP 347
18Cr-8Ni-Nb
Orange
Black
A358 Gr. TP 347
A409 Gr. TP 347
18Cr-8Ni-NbH
Orange
Sky-Blue
28Cr-4Ni-Mo
Brown
Blue
A312 Gr. TP 347H
Provider: Mohammad
Shariat