AISI 321 cold draw stainless steel square bar

Dimensions:

The A/F range of stainless steel square bar is as following 

S*0.*-S*0.0mm (Hot-rolled,pickled)

S5.0mm-S*0.0mm (Cold-drawn,bright)

Cold-drawn bright square bar tolerance :h*0 or according

 to customer's request

Length Range:Length including Specified length,Multiple length

 and Radom length,the length should be ***0m minimum

Straight variation:

Hot-rolled stainless steel square bar…………Straightness≤4mm|m, 

Total straightness ≤0.*0% of specified length

Cold-drawn stainless steel square bar…………Straightness≤1.0mmm, 

Total straightness ≤0.*0% of specified length

Surface Condition:

Hot-roller stainless steel square bar are supplied with 

Hot-rolled, annealed, pickled surface

Cold-drawn stainless steel square bar are supplied with 

Cold-drawn bright surface

 some need to do heat treatment properly according to 

customer’s request

Machinery Cutting Length Tolerance of Cold Working and Hot Working

Size/mm

Length Tolerance/mm

Length<_4m

Length>**8m

<_*5

*3.0

-

*4.8

-

>*****0

*4.8

-

*6.5

-

>*****5

*6.5

-

*8.0

-

>******0

**3.0

-

**3.0

-

Tolerance of Hot Working Round and Square Bar

Size/mm

Tolerance/mm

Get out of round or square/mm

8.****1.*0

*0.*5

*0.*5

0.*3

>*1.****5.*0

*0.*8

*0.*8

0.*6

>*5.****2.*0

*0.*0

*0.*0

0.3

>*2.****5.*0

*0.*3

*0.*3

0.*4

>*5.****8.*0

*0.*5

*0.*5

0.*8

>*8.****1.*0

*0.*8

*0.*8

0.*2

>*1.****4.*0

*0.*0

*0.*0

0.*6

>*4.***8.*0

*0.*5

*0.*5

0.*3

>*8.****0.*0

*0.*0

*0.*0

0.6

>*0.****3.*0

*0.*0

-

0.6

>*3.****0.*0

*1.*0

-

0.9

>*0.*****5.*0

*1.*0

-

1.2