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Group Material SpecificationA106gradeB(nonsour,seamless)
Nomarking
A106gradeB(sour,note1) Green
API5LgradeBPSL2(nonsour,seamless) Yellow
A350gradeLF2NClass2 Purple
A105N(nonsour) Nomarking
A234gradeWPB(nonsour,seamless) White
A216gradeWCB(nonsour) Yellow
A516grade70(nonsour) Orange(25mmWidth)
A312gradeTP316/316L Brown
A182gradeF316/316L Gray
A234gradeWPB(sour,note1)
WhiteWhiteA234gradeWPB(nonsour,welded)
A395+epoxylined
OrangeYellowA395+PFAlined
OrangeGreenA395
Orange(25mmwidth)PinkA516grade70(sour,note1)
DuctileIron
Table1.ColorCodeforMaterialofPipe,Flange,FittingandValveIdentificationColor
YellowWhiteAPI5LgradeBPSL2(nonsour,DSAW,note2)
GreenYellowA105N(sour,note1)
PurpleGreen*A350gradeLF2NClass2(sour,note1)
2
1 CarbonSteel
YellowGreenA216gradeWCB(sour,note1)
WhiteGreen
OrangeBlack
API5LgradeBPSL2(sour,note1) YellowGreen
GrayOrange
GrayRed
GrayGreen
BrownYellow
BrownGreen
BlueGreen
BlueWhite
A182gradeF321
A182gradeF304/304L
A358grade316/316Lclass1
A358grade321Lclass1
A312gradeTP304/304L
A312gradeTP321
A182gradeF316
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A403gradeWP316/316L Blue
A351gradeCF8M Black
A182gradeF5 Pink
Note:12
Inaccordancewith01SAMSS035,weldedpipefornonsourserviceshallbeidentifiedbypaintinga
whitelongitudinalstripe,2incheswideby18incheslong,ontheinsidesurfaceofbothends.Thisstripeisintendedtoprovideidentificationuntilthepipeisinstalled.
AllpipingmaterialsinwetsourserviceshallmeettherequirementsofNACEMR0175/ISO15156.
BlueOrange
BlueYellow
GrayYellow3 StainlessSteel
A182gradeF304
A403gradeWP304/304L
A403gradeWP321
A351gradeCF8C
A351gradeCF8
A240TP304
A240TP316
A240TP321 BrownPink
BrownOrange
BrownRed
BlackOrange
BlackGreen
PinkBlack
PinkBlue
PinkGray
PinkOrange
PinkYellow
PinkGreen
BrownBlack
BrownBrown
BrownBlack
PurpleRed
PurpleBlue
PurpleWhiteA335gradeP5
A335gradeP9
A691grade5Cr.class22
4
A217gradeC12
A217gradeC5
A494gradeM351
B62
AlloySteel
UNSN04400Monel
UNSN10665Hastelloy
UNSC70610CuNi
A182gradeF9
B366gradeWPHB2
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Table2.ColorCodeforMaterialsofBoltsandNuts
MaterialandCombination IdentificationMark DiscriminationColor
Bolt Nut Bolt Nut A194Gr.B16 A193Gr.4 B16 4 White A193Gr.B7
A194Gr.2H B7 2H NotRequired A193Gr.B7M(Sour,Note1)
A194Gr.2HM(Sour,Note1)
B7M
2HM
Green
A453Gr.660 A453Gr.660 660 660 Orange
Note1:AllpipingmaterialsinwetsourserviceshallmeettherequirementsofNACEMR0175/ISO15156.
Table3.ColorCodeforMaterialsofSpiralWoundGasket Material
IdentificationColor
Filler Hoop InnerRing OuterRing Stripes(Note1)
Winding(Note2)
Graphite SS316 SS316 CS Gray Green
SS316 SS316 SS304 Gray Green
Note1:The color identifying the fillermaterial forNPS11/2 and
larger shallhave four intermittent stripes spaced
approximately90degrees apart on the outer edge of the centering
ring as per Section 3.4.3 ofASMEB16.20. Smaller size gaskets shall
have aminimumoftwostripes180degreesapart.
Note2:A continuous color around theouter edgeof the centering
ring shall identify thewindingmetal asper
section3.4.3ofASMEB16.20.
Table4.ColorCodeforMaterialsofRingJointGasket RingMaterial
IdentificationColor
SoftIron White SS316L Green *SS347 Blue *SS304L Red
Table5.ColorCodeforOtherTypeMaterialsGasket
Material IdentificationColor Neoprene Orange
NonAsbestos Yellow *InorganicFillermixedPTFEflatring Pink
Color Code Chartpart 22
