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 finish and so on.

Standard

AISI, ASTM, DIN, EN, GB and JIS

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

Duplex stainless steel:S22053,S25073,S22253,S31803,S32205,S32304

Special Stainless Steel: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.

Manufacture Process

ERW Welded ( ELD ) Pipe

Quality Inspection

1. Metallographic Analysis
2. Physical And Chemical Analysis
3. Specification Eccentricity Test
4. Mechanical Test
5. PMI Test
6. Eddy Current Test
7. Large-Size Ultrasonic Flaw Test
8. Ultrasonic Flat Test
9. Thickness Test etc.

Mechanical Requirements

Grade UNS Designation Tensile Strength Yield Strength

Min Ks i [M pa] Min Ks i [M pa]

TP304 S30400 75 [515] 30 [205]

TP304L S30403 70 [485] 25 [170]

TP309S S30908 75 [515] 30 [205]

TP310S S31008 75 [515] 30 [205]

TP316L S31603 70 [485] 25 [170]

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

1. Specification No.
2. Pipe
3. Grade
4. NPS
5. Wall
6. SMLES OR WELDED ...

• ASTM A312
• P
• TP304
• 12IN
• 0.375 IN
• WELDED .....