Professional cr black annealed steel pipes/tubes furniture pipes/tubes made in China
hollow section steel pipe shape square and rectangular
Product Specification
| Name | Carbon square steel pipe |
| Standard | JIS G3466, EN 10219, GB/T 3094-2000, GB/T 6728-2002 |
| Material | Q195,Q215,Q235 |
| Size | 10*10-1000*1000mm |
| WT | 0.6-25mm |
| Surface treatment | Oil/Painting/Powder painting/Hot dipped galvanized |
| Length | usually 4.5-6.5m, can up to 12m; and can cut in any length according to client' s requirements |
| End Treatment | Plain or bevelled |
Chemical Composition & Mechanical Properties :
| Grade | Chemical Composition | Mechanical Properties | ||||||
| C | Mn | Si | S | P | Yield | Tensile | Elongati | |
| Strength Mpa | Strenth Mpa | -on % | ||||||
| Q195 | 0.06-0.12 | 0.25-0.50 | ≤0.30 | ≤0.045 | ≤0.05 | ≥195 | 315-430 | ≥33 |
| Q215 | 0.09-0.15 | 0.25-0.55 | ≤0.30 | ≤0.05 | ≤0.045 | ≥217 | 335-450 | ≥27 |
| Q235 | 0.12-0.20 | 0.30-0.67 | ≤0.30 | ≤0.045 | ≤0.04 | ≥235 | 375-500 | ≥26 |
| Q345 | ≤0.20 | 1.00-1.60 | ≤0.55 | ≤0.04 | ≤0.04 | ≥345 | 470-630 | ≥22 |
Product Show
Application
Low and middle pressure fluid pipeline, boiler, petroleum and natural gas industry,
drilling, chemical industry, electric industry, shipbuilding, fertilizer equipment and pipeline, structure,
petrochemical, pharmaceutical industry.
All items of our products and related tests as follow :
1.ERW black round pipe (ASTM A53,GB..)
2.Weld black square/rectangular pipe(ASTM A500,GB,...)
3.Hot dip galvanized round pipe (BS 1387,ASTM A53,GB ,...)
4.Hot dip galvanized square/rectangular pipe(ASTM A500,GB...)
5.Pre-galvanized square/rectangular/round pipe,cold rolled black annealed or bright finished pipe.
6.Spiral steel pipe
7.Seamless pipe (ASTM A53,A106B,)
8.Oval pipe in galvanized and black surface
9.LTZ... special sizes pipe
10.Steel prop , steel plank,steel scaffolding pipe and accessories... steel constrctution material
11.Steel angle, Flat bar,round bar,sqaure bar,
12.H,I,U,C,T,Y,W...steel beam/channel
13.Deformed steel bar
14.Hot rolled& cold rolled steel sheet/coil in black,galvanized,color coated surface.
Packing: 1) only in bundles by steel scrips 2) in bundles and in plastic wrap 3) in bulk
4) conform to client' s requirements
Loading port: Tianjin,China.
Shipment:usual length ≤5.8m by 20'GP,6m-12m by 40'GP(some sizes with 6m L can be into 20'GP).
we have our own laboratory, we can do these testings,Tensile test, Yield Test, Flattening test,
Bending test, chemical composition and elongation, zinc coating thickness .
Q1:What about the quality?
A:Third party inspections are always welcomed.as part of our dedication to the industry, we do
make arrangements for such inspections-ABS,DNV,BV,ect.
Q2: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock,
it is according to quantity.
Q3:Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q4:May I customize the steel pipe?
A:Yes, you can, we can manufacture according to your requirement, you can send the CAD or
design drawing to us.
Q5:Any Value-added Services?
A:Fottunately for you,we are very experience in this industry.we have equipped our warehouse
with the necessities to perform in-house painting,coating,and pipe cutting.
Q6: How about the trade terms?
A: EXW, FOB, CFR, CIF will be accepted.
 | 1.Special design avaliable according to requirements. 2.All production processes are under ISO 9001-2008 strictly 3.Free sample 4.Acceptable for any third party inspection(SGS,BV...) 5.OEM is ok. 6.Visit factory any time. |
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