Product name

Cold  drawn seamless steel tube middle size ,round , carbon steel cold drawn

Brand

QH

Type

Seamless  tube

Out Diameter(OD)

21.3mm  to 273mm

Wall Thickness(W.T)

2.11mm  to 40mm

0ur  products are offered in standard as well as customized specifications given  as per clients

Section shape :

Round

Material 1

black carbon  steel or ms tube

Material 2

ASTM  A53A/B,A106B/C,A179/A192, ST37,ST45,SAE1020/1045,CK45 etc

Raw material :

Steel  bar

Technoque :

Cold  Drawing or Hot rolling

Tolerence of OD

±0.1mm  or 5%

Length

we could  produce from 4 meters to 12meters

For  exporting and random length , generally, 5-5.8meters for 20ft container

For  exporting and fixed length , generally , 6-12m for 40ft ctnr

Also  could be fixed length like 5.8m,6m,11.8m as per your request.

Quality 

Promised  quality, if any problem, return money for compensation

Marking:

as per  our standard or clients’ request

Surface treatment

Black  painting , also could be bare tube ,anti-rust oil or galvanized

MOQ

5 tons  per size , totally 20tons .

Calculation  of Theoretic Weight : ? Kgs /m = {(OD – W.T ) *W.T }*0.02466

Deliver Time

7-15 days after receiving your deposits.

Certificate:    

      Mill Testing Certificate

Payment terms

T/T, L/C,  D/P, D/A