astm a312 304 ss Pickled annealed seamless architecture round pipe price

Item

Stainless Steel Hollow Bar

Standard

ASTM EN DIN JIS

Material Grade

304,304L316,316L,310/310S

Main Material

b) 304L (Ni: 8.0%-12.0%, Cr:18.0%-20.0%)

c) 304 (Ni: 8.0%-11.0%, Cr:18.0%-20.0%)

d) 316L (Ni: 10.0%-14.0%, Cr:16.0%-18.0%)

Size Range

36mm-355mm  

Thickness

8mm-55mm

Length

6m or random

Tolerance

a) Outer Diameter:  according to standards

b) Thickness: +/- 10% or as customers' request

c) Length: -0 +5mm

Surface

Bright/Pickled

Chemical Composition

310S

304

316L

304L

C

≤0.08

≤0.08

≤0.03

≤0.035

Si

≤1.50

≤1.00

≤0.75

≤1.00

Mn

≤2.00

≤2.00

≤2.00

≤2.00

P

≤0.045

≤0.045

≤0.045

≤0.045

S

≤0.03

≤0.030

≤0.030

≤0.030

Cr

24-26

18-20

16-18

18-20

Ni

19-22

8-11

10-14

8-12

Mo

/

/

2.0-3.0

/

Mechanical Property

Material Item

304

316L

304L

Tensile Strength

≥515

≥485

≥515

Yield Strength

≥205

≥170

≥205

Extension

≥40%

≥40%

≥35%

Hardness (HV)

<90

<95

<90