hot sale square stainless steel pipe

Name

Stainless Steel Seamless & Welded Pipe

Items

Square tubes, round tubes, oval pipes, special shaped pipes

Standard

ANSI, ASTM, DIN, JIS, BS, ISO, GB, EN

Material Grade

201: Ni 0.8%~1%

202: Ni 3.5%~4.5%

304: Ni 8%, Cr 18%

316: Ni 10%, Cr 18%

316L: Ni10%~14%

430: Cr16%~18%

Outer Diameter

DN15~DN1200 (1/2”~48”)

Thickness

0.3mm - 12.0mm or as customers’ requirement

Length

6m or as customers' requirement

Tolerance

a) Outer Diameter: +/- 0.2mm

b) Thickness: +/- 0.02mm

c) Length: +/- 5mm

Application

Petroleum, Chemical, Power, Gas, Metallurgy, Shipbuilding, Construction, etc

Test

Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT

Chemical Composition of Material

Material Composition

201

202

304

316L

430

C

≤0.15

≤0.15

≤0.08

≤0.035

≤0.12

Si

≤1.00

≤1.00

≤1.00

≤1.00

≤1.00

Mn

5.5-7.5

7.5-10

≤2.00

≤2.00

≤1.00

P

≤0.06

≤0.06

≤0.045

≤0.045

≤0.040

S

≤0.03

≤0.03

≤0.030

≤0.030

≤0.030

Cr

13-15

14-17

18-20

16-18

16-18

Ni

0.7-1.1

3.5-4.5

8-10.5

10-14

Mo

2.0-3.0

Mechanical Property

Material Item

201

202

304

316

Tensile Strength

≥535

≥520

≥520

≥520

Yield Strength

≥245

≥205

≥205

≥205

Extension

≥30%

≥30%

≥35%

≥35%

Hardness (HV)

<105

<100

<90

<90