Factory Supply Hot Selling Square Steel Pipes with Mill Test Certification

• Customization: Available
• Type: Welded
• Technique: ERW
• Material: Carbon Steel
• Surface Treatment: Galvanized
• Usage: Pipeline Transport, Boiler Pipe, Food/Beverage/Dairy Products, Construction & Decoration
• Section Shape: Square
• Outside Dia(mm): 10.3-1219mm
• Length: 1-12m
• Thickness: 1.5-30mm
• Transport Package: PVC Packing
• Specification: Thickness: 0.6-15mm Outer Diameter: 1 1/2in-12in
• Origin: China
• Production Capacity: 10000t/Months

Product Description

Production description

Steel Pipe Type	ERW Steel Round pipe
Outside Dia(mm)	10.3-1219mm
Wall Thickness(mm)	1.5-30mm
Length	Random length:5-12m
Standard	API5L , ASTM A106 Gr.B, ASTM A53 Gr.B, ASTMA179/A192/A213/A210/370WP91,WP11,WP22                 GB5310-2009,GB3087-2008,GB6479-2013,GB9948-2013,            GB/T8163-2008, GB8162-2008,GB/T17396-2009
Material	20#, A53B, A106B, API 5L ST37.0,ST35.8,St37.2,St35.4/8,St42,St45,St52,St52.4 STP G38,STP G42,STPT42,STB42,STS42,STPT49,STS49
Surface	Black painting, varnish paint, anti rust oil, hot galvanized, cold galvanized, 3PE,ect
Certificates	API5L ISO 9001:2008 TUV SGS BV etc
Packaging	Loose package, Packaged in bundles(3Ton Max) , bundled pipes with two slings at the both end for easy loading and discharging, End with Plastic caps or as per requirement
Application	1. Fluid pipe 2. Power Plant  3. Structure pipe 4. High and low pressure Boiler tube 5. Seamless pipe  /tube for petroleum cracking   6. Conduit pipe  7. Scaffolding pipe pharmaceutical andship,building etc.

 
      

Steel Grade

Steel grade	Chemical composition					Mechanical properties
	C%	Si%	Mn%	P%	S%	Tensile strength (Mpa)	Yield strength (Mpa)	Elongation
SPCC/SPHC	≤0.12	≤0.025	≤0.50	≤0.035	≤0.025	≥270	--	≥38
ST12(DC01)	≤0.10	--	≤0.50	≤0.035	≤0.025	≥270	130-260	≥34
ST37-2G/2	≤0.17	--	≤1.00	≤0.035	≤0.030	360-510	≥215	≥20
B340/590DP	≤0.18	≤0.80	≤2.20	≤0.035	≤0.030	≥590	340-500	≥20
B400/780DP	≤0.20	≤0.80	≤2.50	≤0.035	≤0.030	≥780	400-590	≥16
B340LA	≤0.12	--	≤1.00	≤0.030	≤0.030	≥440	240-460	≥26
SS400	≤0.21	≤0.30	≤1.40	≤0.035	≤0.035	400-510	≥245	≥21
Q195	≤0.12	≤0.30	≤0.50	≤0.035	≤0.040	315-430	≥195	≥33
Q235B	0.17-0.22	≤0.50	≤1.40	≤0.045	≤0.045	370-500	≥235	≥26
Q345B	≤0.20	≤0.30	≤1.70	≤0.035	≤0.035	470-630	≥345	≥20
SAPH370	≤0.21	≤0.30	≤0.75	≤0.035	≤0.035	≥370	≥225	≥37
SAPH400	≤0.21	≤0.30	≤1.20	≤0.030	≤0.025	≥400	≥255	≥36
SAPH440	≤0.21	≤0.20	≤0.15	≤0.030	≤0.025	≥440	≥305	≥34
Qste420TM	≤0.12	≤0.50	≤1.50	≤0.030	≤0.025	480-620	≥420	≥21
Qste460TM	≤0.12	≤0.50	≤1.60	≤0.030	≤0.025	520-670	≥460	≥19
BR1500HS/22MnB5	0.20-0.25	0.15-0.35	1.1-1.4	≤0.025	≤0.01	600-750	≥420	≥22

Our service

1,Delivery on time . 
2.Strictly carry on all clients contract .
3.Since export carbon steel pipe(Tube) since 2003 ,have ability to control goods quality . 
4.Our goods can accept any third part inspection . 
5.Client's requirement is our first thinking .
 

Inspection Equiement

Competent testing instruments and quality check equipment offer reliable technical support and
guarantee for the quality of its products

Company information 
 

Tianjin Jinxinbao Mental Surface Treatment Co.,LTD .We were founded in 2012, with the headquarters location at the largest welded pipe production based in china-Yangjiayuan Town,Tianjin city,which is the most professional manufactuer of galvanized steel products in this area. There have total 6 galvanized production lines ,about 200
employees and annual production more than 200000 tons .

In the 2016, in order to meet client requirements, we built a after-processing factory, whose named is Tianjin Baojing New Energy Technology Co.,LTD , which produced all kinds of customized products and sucessful supply for many PV projects. 

As the export's window, Tianjin Shengteng Internatinal Trading Co.,LTD , manily exporting the factory's galvanized steel products, especially galvanized steel pipe ,square and rectangular steel tube, seamless steel pipe ,ERW steel pipe, galvanized steel coil/sheets ,scaffolding steel props, PV mounting system .

In the past ,we get good feedback from old clients, and we will more focus the quality and improve the service to thankful each client in the future.




FAQ 

Q1:How many coutries you already exported ?
A1:Exported to more than 50 countries mainly from America, Russia, UK, Kuwait, Egypt, Iran, Turkey, Jordan, etc.
 
Q2:How can I get some samples?
A2:Small samples in store and can provide the samples for free. Catalgue is available, most patterns we have ready samples in stock. Customized samples will take about 5-7days.
 
Q3:What is the MOQ?
A3:One ton if on stock, 5tons for new size
 
Q4:What is the delivery ?
A4:Sample order's delivery time is 5- 7 days. Container orders are about 15-20 days.
 
Q5:How does your company do regarding quality control?
A5:BV and SGS certificates, production process followed the ISO 9000 system.
 
Q7:How long Can You Guarantee for This Product?
A8:We will follow the order one year,if any problem,can contact us.