Pre-Galvanized Square/Rectangular/Round Pipe, Cold Rolled Black Annealed or Bright Finished Pipe. Circular Square Rectangular Hollow Section Carbon Steel Pipe.

• Temperature Classification: Room Temperature Piping
• MPa Classfication: Medium Pressure Piping
• Material: Carbon Steel
• Standard: ASTM, API, DIN, JIS
• Diameter: 50*50 - 450*450mm
• Medium: Construction, Bridge ,Building
• Model NO.: Square Rectangular
• Cross-Section Shape: Square and Rectangular
• Connection Type: Welding
• Od: 10*10-600*600mm
• Wt: 0.3-30mm
• Length: Fixed or Random,as Customer Request
• Transport Package: Sea Worthy Packing
• Specification: AS/NZS 1163: C250L0, C350L0
• Trademark: Chief Steel
• Origin: China
• HS Code: 730661000
• Production Capacity: 100000 Tons/Year

Product Description

I.Product Basic Info:

Item Name	Black Square Pipe
Size	10*10-600*600mm,WT:0.3-30mm,Length:fixed or random,as customer request
Material	Q195-235,Q195,Q235,Q345
Surface	Black bared ,can be galvanized,oiled,painted,powdered...
Ends	Plain
Packing	In bundle
Shipment	Use length≤5.8m by 20`GP,6m-12m by 40`GP,some sizes with 6m length can be into 20`GP.
MOQ	5tons for normal size and material
Lead time	Within 7 days from stock with 6m length,20-25days for customized pipe according to the qty
Loading port	Tianjin,China
Trade terms	FOB,C&F,CIF,EXW
Payment terms	TT deposit+BL copy/LC or 100%LC at sight

 

 2.Product  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

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.

Product Name:	China factory MS hot rolled black carbon square hollow section steel pipe tube
Size	Side (mm)	15*15-400-600
	Wall Thickness (mm)	1.0-16.0
Standard	ASTM A500,EN10219,JIS G3466,AS/NZS 1163,etc
Section shape	Rectangular or Square
Type	ERW Pipe
Surface	Bared,oiled,galvanized,varnish painting, etc
Length	5.8M, 6M, 11.8M, 12M or customized length

 

FAQ

Q1:How about thequality?
A:Third party inspections are always welcomed, like TUV.   All of the goods will be released together with MTC and stamped by TPI. 

Q2: How long is the delivery time?
A: Generally about 5-10 days if the goods in stock. Or will be 15-20 days if the goods are not in stock. And alsoaccording to the quantity.

Q3:Do you provide samples? Free or not?
A: Yes, we could offer the sample for free but do not pay the cost of freight.

Q4:May I customize the steel pipe?
A:Sure you can, we can produce according to your requirement, you can send the CAD ordesign drawing.

Q5:Any value-added Services?
A:Fottunately for you,we are very experience in this industry. We have equipped our warehouse with the necessitiesto perform in-house painting,coating,pipe cutting, jointed welding, and make machanical fabricate per to request.  

Q6: How about the trade terms?
A: EXW, FOB, CFR, CIF, LC will be accepted.