Product Details

1.Specification

single wall welded steel tube

Main size OD and thickness

OD /mm	Thickness/mm
OD /mm	0.50	0.60	0.65	0.70	0.80	0.90	1.00	1.20
3.18	√	—	—	—	—	—	—	—
4.00	√	√	√	√	—	—	—	—
4.76	√	√	√	√	√	—	—	—
5.00	√	√	√	√	√	—	—	—
6.00	√	√	√	√	√	√	√	√
6.35	√	√	√	√	√	√	√	√
7.94	—	√	√	√	√	√	√	√
8.00	—	√	√	√	√	√	√	√
9.53	—	√	√	√	√	√	√	√
10.00	—	√	√	√	√	√	√	√
12.00	—	√	√	√	√	√	√	√
12.70	—	√	√	√	√	√	√	√

Tolerance of OD

OD	usual(PA)	precision(PC)
<4.76	±0.08mm	±0.05mm
4.76 ~ 8.00	±0.12mm	±0.07mm
>8.00 ~ 12.00	±0.16mm	±0.10mm
>12.00	±0.20mm	±0.12mm

THE TYPE OF SURFACE COATING, CONDITION AND CODE STEEL TUBE

type	Coating condition	code
Without coated	Inner and outer side without coating	SWP
CU coated	Cu coated on outer side only	SWCu
ZN Coated a	Outer with white /colour/olive ZN coated	SWZn
CU coated both sides b	Cu coated on outer and inner side both	SWCuCu
ZN coated outer CU, coated inner c	Outer Zn coated, inner CU coated	SWZnCu
a electric or hot dip galvanized b made by both sides CU coated steel coil. On the welding line ,to be negotiated c made by both sides CU coated steel coil

2. Mechanical property and chemical composition

Mechanical property

type

Tensile strength

Rm/Mpa

Yield strength

ReL/Mpa

elongation

A/%

Soft tube(MA)

280-320

≥170

≥35

Hard tube(MB)

320-350

≥200

≥25

Chemical composition %

element

cold rolled

low carbon steel

<0.08

<0.03

<0.30

<0.03

Cold rolled exceed

Low carbon steel

<0.008

<0.03

<0.25

<0.02

<0.03

3. Application

single wall welded steel tube mainly used on refrigeration condenser and evaporator

in refrigerator, chiller, refrigetation display case; and some auto pipe parts ,such as:

brake tube, oil injection tube line and link pipe parts. It would be in coils and straight tube.

4.Workshop plants

5.Testing and Inspection

6.Packing and Loading

7. our services

If clients have special requirement on the material, tube size, tube type, mechanical property,

length, packing conditions, Pls contact us free. if we can do,we will do it as customizing.

8. FAQ

1) Are you a trading company and manufacturer?

Yes, we have have plant and trading company, we can deal business both, but do it as condition.

2) How can I get your prices?

Pls show us your target tube size (OD ,wall), material (steel grade),coating types( coating types on OD/ID

both), in coil or straight length tube(if length, how long per pcs?), quantity, packing requirement ,application

and specialy requirement. Then,we can send you an exact quotation within 24 hours.

3) What's your MOQ?

For common coating type and common size, MOQ is 1000kg ; for specially coatinf type or specialy size

need confirmed.

4) How can I get some samples to do quality approved?

After quotation confirmed, we can send some samples for testing, severl pieces tube are free,but big

quantity maybe charged and freight should be bear by client.

5) What about the leading time for mass order producing?

Usually, 7-10 days for material preparing and producing after order confirmed, and 7 days for shipment

booking and confirmed.15 days min for common size and type, special size and type need confirm.

6) Could the tube be customized for us?

Sure, we are professional supplier.when we confirmed and accept all your target requirement,we can

customize the tube as your target.