ASTM API Structural Steel Pipes Welding SS Tube With Acid Pickling

　                    Chemical composition (%) of TP304

C

Si

Mn

P

S

Ni

Cr

Mo

V

≤0.15

≤1.00

≤2.00

≤0.045

≤0.030

6-8

18-20

0.15-0.30

0

　                 Mechanical properties of TP304

Tensile strength/MPa

Yield strength/MPa

Elongation/(%)

Reduction/(%)

Impact/J

Hardness/HB

≥520

≥205

≥40

/

/

≤207

Material

TP304/304L, 316/316L, 310S, 317L, 321, 347H,etc.

S31803, 32750, etc.

2. Standard

ASTM, ASME, DIN, EN, ISO,JIS, GOST, etc.

3. Type

Seamless

4. Size range

OD: from 4mm to 914.4mm

WT: from 0.5mm to 45mm (Schedule from 5S to XXS)

Length: fix length or un-fix length, Max 30meters

5. Produce process

Pilgering and cold drawn

6. Surface process

Pickling and annealing

AP tube

BA tube

7. Marking

JW, GRADE, seamless, STANDARD, SIZE, HT NO.

8. Package

Bundles with waterproof cloth outside.

or plywood box.

9. Min order quantity

500 KG

10. Sample

Yes

11. OEM accepted

Yes

12. Production capacity

1,000 tons