Name

stainless steel seamless ERW square pipe

Standard

ASTM A**4, A**9, A**9 and A**0, A**2

Material Grade

**1 ( Ni 0.8%),

**2 (Ni 3.5%~4.5%),

**1(Ni 5%)

**4 (Ni 8%, Cr *8%),

**6 (Ni *0%, Cr *8%),

**6L (Ni*0%~*4%),

**0

Outer Diameter

6mm****9mm

Thickness

0.3mm - 3.0mm

Length

6m or as customers' request

 

Tolerance

a) Outer Diameter: +/- 0.2mm

b) Thickness: +/- 0.*2mm

c) Length: +/- 5mm

Surface

**0G, **0G, **0G Satin / Hairline

**0G, **0G, **0G or **0G Mirror finish

Application

Decoration construction, upholstery, industry instrument

Test

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

 

 

 

 

Chemical Composition of Material

Material

 

Composition

**1

**2

**4

**6

**0

C

≤0.*5

≤0.*5

≤0.*8

≤0.*8

≤0.*2

Si

≤1.*0

≤1.*0

≤1.*0

≤1.*0

≤1.*0

Mn

5.**7.5

7.***0

≤2.*0

≤2.*0

≤1.*0

P

≤0.*6

≤0.*6

≤0.**5

≤0.**5

≤0.**0

S

≤0.*3

≤0.*3

≤0.**0

≤0.**0

≤0.**0

Cr

****8

****9

****0

****8

****8

N

3.**5.5

**6

***0.5

****4

Mo

2.**3.0

 

Mechanical Property

Material Item

**1

**2

**4

**6

Tensile Strength

≥**5

≥**0

≥**0

≥**0

Yield Strength

≥**5

≥**5

≥**5

≥**5

Extension

≥*0%

≥*0%

≥*5%

≥*5%

Hardness (HV)

<**3</p>

<**3</p>

<**0</p>

<**0</p>

Payment

Payment by T/T, *0% as advance payment and *0% balance pay before shipping.                                                                                                                                 

 

Delivery time

A.7 days if this goods is stock goods.

B.*0 days if this goods will be produced after order