Welded pipe

Pickling & Annealing

Project

Standard

ASTM A269/A269M

ASTM A312/A312M

ASTM A789/789M

ASTM A790/790M

Grade

TP304

TP304L

TP321

TP316

TP316L

TP317

TP347  

N08904

TP304

TP304L     TP309S

TP310S

TP316

TP316L

TP316Ti

TP317

TP317L

TP321

TP347

S31803

S32750

S31803

S32750

Size

NPS:1/8”-48” SCH:5S,10/10S,20,30,40/40S,60,80/80S,100,120,140,160,STD,XS,XXS

OD:0.23”-48”(5.8mm-1219mm) WT:0.01”-1.125”(0.25mm-28mm)

Length

                       According to customer’s request

Chemical composition(According to the standard)

Eg. TP304L(ASTM)/1.4306(DIN)

C max

Si max

Mn max

P max

S max

Cr

Ni

N max

TP304L

0.035

1.00

2.00

0.045

0.030

18.0-20.0

8.0-12.0

--

1.4306

0.030

1.00

2.00

0.045

0.030

18.0-20.0

10.0-12.0

0.11

Welding process

SAW

EFW

ERW

MIG

MAG etc

Surface Finish

Annealed, Polished, Pickled, Brush etc

Packing

Bundles/plywood cases

Applications

For fluid and gas transport; structure and machining; heat exchanger pipes etc

Other standards

ASTM A409/A409M

ASTM A668/A668M

ASTM A249/A249M

JIS G3463

JIS G3468

DIN 17455

DIN 17457 etc

GB/T 12770-2002

GB/T 12771-2008

Bright annealed

Standard

ASTM A554

ASTM A270

Surface Finish

Annealed, Bright, Polish etc

Applications

Decorative pipe, Sanitary pipe etc