Black Square Pipe/Square Tube / Steel Pipe For Construction Material Cheap Black

Standards

Steel Grade

Chemical composition(%)

Mechanical properties (heat treatment status)

C

Mn

Si

S

P

Cr

Ni

Cu

Tensile strength

Yield strength

Elongation(%)

GB

10

0.07-0.13

0.35-0.65

0.17-0.37

≤ 0.035

≤ 0.035

≤ 0.15

≤ 0.30

≤ 0.25

≥ 335

≥ 205

≥ 24

20

0.17-0.23

0.35-0.65

0.17-0.37

≤ 0.035

≤ 0.035

≤ 0.25

≤ 0.30

≤ 0.25

≥ 390

≥ 245

≥ 20

35

0.32-0.39

0.50-0.80

0.17-0.37

≤ 0.035

≤ 0.035

≤ 0.25

≤ 0.30

≤ 0.25

≥ 510

≥ 305

≥ 17

45

0.42-0.50

0.50-0.80

0.17-0.37

≤ 0.035

≤ 0.035

≤ 0.25

≤ 0.30

≤ 0.25

≥ 590

≥ 335

≥ 14

Q345B

≤ 0.20

1.00-1.60

≤ 0.55

≤ 0.035

≤ 0.035

--

--

--

≥ 510

≥ 345

≥ 21

Black Square Pipe/Square Tube / Steel Pipe For Construction Material  delivery condition:BK      FAQ   1. How long will it take to produce an order?
It is within 30days for the purchasing and production time with container order and 10days for the sample.  

2. What is your minimum order?
Usually 5 ton for each size, please contact us when you are trying to purchase less than container load

3. What form of quotation do you offer?
FOB Tianjin, CIF and CNF Your destination   4. What is your payment term? 
Payment is 30% deposit, 70% before shipment    5. Does the sample for free or not?
The samples are free if they are common sizes, You need to pay for the freight .   Packaging & Shipping   We have supplied a number of Domestic  Agricultural Equipment Manufacturers over many years. The specs used are predominately Cold Drawn Seamless Mechanical (CDS). Want a Quick Quote? Fill in a detailed description of type of material and lengths; also please include specifics about shipping, quantity. A fast and efficient service is assured. Saler: Elina Wong
Email:market at seamlesssteeltube.com.cn
SKYPE:jinaoguanye3

Inquiry now!

Contact us if you need more details on Construction Material Steel Tube. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Square Pipe、Cheap Steel Pipe. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Carbon Seamless Steel Pipe > Other Carbon Seamless Steel Pipe