High Quality Square Steel Pipe Square Steel Tube Q235-Q345/Hot Cold Rolled Seamless Welded

• Customization: Available
• After-sales Service: 24 Hours Online
• Warranty: 1 Year
• Type: Welded/Seamless
• Technique: ERW
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Pipeline Transport, Hydraulic/Automobile Pipe, Machinery Industry, Chemical Industry, Construction & Decoration, Pipeline Transport, Boiler Pipe, Hydraulic/Automob
• Section Shape: Round
• Materil: 10#, 20#, 45#, 16mn, A53(a,B), Q235, Q345, Q195, Q
• Size: (Od)10-1219/10*10-600*600/10*20-800*400
• Wall Thickness: 0.6-30mm
• Length(mm): 5.8m, 6m, as Customers Requirement
• Color: Silver
• Certificates: API ISO9001-2008,SGS.BV
• Standard: BS1387, ASTM A53, API 5L, En10219
• Quality Tests: Material Testing,Zinc Test,Mechanical Properties I
• Transport Package: Bundle, or with All Kinds of Colors PVC or as Your
• Specification: 20*25-400*300mm
• Origin: China
• HS Code: 7306309000
• Production Capacity: 100000pices/Year

Product Description

Product Description

ERW Square and Rectangular Steel Pipes and Tubes for Shipbuilding and Bridge Structure

 Buying ms hollow section steel square tube from China? We are your brain!
Stop your search now and stay with us, because--
1. We make sure to offer you HIGHER quality steel pipes than others in same price.
2. We make sure to ask you Lower price than others in same quality.
3. 80% our new customers give their reorders to us!

Item	MS hollow mild square erw square and rectangular Steel Pipes and Tubes
Material	SPHC, Q195,Q215,Q235,Q345,SAE1010,SAE1020, API Standard material, ASTM A53 A,B
Wall thickness	0.6-30 mm
outer diameter	SHS: 15*15-400*400mm, RHS: 20*25-400*300mm
Length	2m-12m or as per customers' requirement
Thickness Tolerance	+ 5%-
Surface Treatment	Black painting/varnished surface,anti-corrosion oil, galvanized
Pipe end	Plain end
Marking	As per customer's requirement
International Standard	ASTM A500, GB/T6728-2002
Usage	Mechanical & manufacture, Steel structure,Shipbuilding, Bridging ,Automobile chassis
Certificate	ISO,BV,API
ODM/OEM	available

Detailed Photos

 

Constituent of the material

Grade	C	Mn	Si	S	P	UTS(MPa)	YS(MPa)	EI(%)
Q235B	0.12-0.20	0.30-0.70	0.30	0.045	0.045	375-500	235	26
Q345B	0.12-0.20	1.20-1.60	0.20-0.55	≤0.045	≤0.045	510-600	345	22
20#(GB)	0.17-0.23	0.38-0.65	0.17-0.37	≤0.030	≤0.030	410-550	≥245	≥20

Product packaging

1) Minimum order quantity: 20 tons 

2) Price: FOB or CIF or CFR at aXin'gang port in Tianjin

3) Payment:  30% deposit in advance, the balance against the copy of B/L; or 100% L/C, etc

4) Lead Time: within 10-25 workdays normally 

5) Packing: Standard seaworthy  packing or as per your request .(as pictures)

6) Sample: Free sample is avaible.

7) Individual Service: can print your logo or brand name on  steel pipe/carbon steel pipe/ pe coated steel pipe.

20ft GP: 5898mm(Length)x2352mm(Width)x2393mm(High)

40ft GP: 12032mm(Length)x2352mm(Width)x2393mm(High) 

40ft HC: 12032mm(Lengh)x2352mm(Width)x2698mm(High)

20 feet container load 25 tons steel pipe/carbon steel pipe/ steel pipe manufacturer whose length is under 5.8m.

40 feet container load 25 tons steel pipe/carbon steel pipe/ steel pipe manufacturer whose length is under 11.8m.

Product Process

 

Our services

1.High quanlity and competitive price.

2.Customized on-demand.

3.Reasonable shipping and fast delivery.

4.Free sample.

5.Our company professional quality testing team and any third party testing.

 

FAQ

1. Are you factory or trading company?

     YES, We are factory in tianjin of china for many years. 
     We can give you the factory price directly.

 2. Could you provide the samples?
     Sure, but it is just for normal sizes, and the freight will be paid by you.

 3.What is your MQO?
    1tons, it is better for bundles.

 4.Do you have stockist goods?
   YES, But you must send me the sizes you need , let me check it for you.