Tolerance

a) Outer Diameter: +/- 0.1mm

b)Wall Thickness: +/- 0.02mm

c) Length: +/- 5mm

Surface

180G, 320G, 400G Satin / Hairline 400G, 500G, 600G or

800G Mirror finishand so on.

Standard

AISI,ASTM,DIN,EN,GBandJIS

ASTM A213,ASTM A312,ASTM A269,ASTM A778,ASTM A790

DIN 17456,DIN 17458

JIS G3459,JIS G3463 etc

Material

300series:301,302,303,304,304L,305,309,309s,310,310S,

316,316L,316Ti,316h,317L,321,347

200series:201,202,202cu,204

400series:409,409L,410,420,430,431,439,440,441,444

Others:2205,2507,2906,330,660,630,631,17-4ph,17-7ph,S318039 904L,etc

Duplexstainlesssteel:S22053,S25073,S22253,S31803,S32205,S32304

SpecialStainlessSteel:904L,347/347H,317/317L,316Ti,254Mo

Application range

door,window,handrail

Main market

We have frequenter customers from

Europe:Germany,Netherland,Russia, Finland,Czech,Ukraine,Italy,Spain,Poland

Middle East:Iran,UAE,SA,Iraq,Qatar,Isreal,Jordan,Bahrain,Kuwait

South America:Brazil,Chile,Peru,Venezuela,Uruguay,Argentina

Africa:Egypt,South Africa,Nigeria

Central&North America:Mexico,US,Canada,Costa Rica

South East Asia and Pacific:Japan,South Korea,Singapore,Thailand,Indonesia,Australia

Delivery conditions

Annealed, pickled & polished.

Note

We can produce other standard as the customers’ requirement.

ManufactureProcess

ERWWelded(ELD)Pipe

QualityInspection

1. MetallographicAnalysis
2. PhysicalAndChemicalAnalysis
3. SpecificationEccentricityTest
4. MechanicalTest
5. PMITest
6. EddyCurrentTest
7. Large-SizeUltrasonicFlawTest
8. UltrasonicFlatTest
9. ThicknessTestetc.

MechanicalRequirements

GradeUNSDesignationTensileStrengthYieldStrength

MinKsi[Mpa] MinKsi[Mpa]

TP304 S3040075[515] 30[205]

TP304LS3040370[485] 25[170]

TP309SS3090875[515] 30[205]

TP310SS3100875[515] 30[205]

TP316LS3160370[485] 25[170]

.... .... ..... .....

1. SpecificationNo.
2. Pipe
3. Grade
4. NPS
5. Wall
6. SMLESORWELDED...

• ASTMA312
• P
• TP304
• 12IN
• 0.375IN
• WELDED.....