Carbon Square Hollow Steel Tube ERW Spiral Welded Steel Pipe

• Customization: Available
• Type: Welded
• Technique: ERW
• Model NO.: Welded Steel Pipe
• Surface Treatment: Black
• Usage: Pipeline Transport, Boiler Pipe, Oil/Gas Drilling, Machinery Industry, Construction & Decoration
• Section Shape: Round
• 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
 

product name	Material	Standard	Size(mm)	Application
Low temperature tube	16MnDG 10MnDG 09DG 09Mn2VDG 06Ni3MoDG ASTM A333	GB/T18984- 2003 ASTM A333	OD:8-1240* WT:1-200	Apply to - 45 ºC ~ 195 ºC low temperature pressure vessel and low temperature heat exchanger pipe
high-pressure boiler tube	20G ASTMA106B ASTMA210A ST45.8-III	GB5310-1995 ASTM SA106 ASTM SA210 DIN17175-79	OD:8-1240* WT:1-200	Suitable for manufacturing high pressure boiler tube, header, steam pipe, etc
Petroleum cracking tube	10 20	GB9948-2006	OD: 8-630* WT:1-60	Used in oil refinery furnace tube, heat exchanger tube
Low medium pressure boiler tube	10# 20# 16Mn,Q345	GB3087-2008	OD:8-1240* WT:1-200	Suitable for manufacturing various structure of low and medium pressure boiler and locomotive boiler
General structure of the tube	10#,20#,45#,27SiMn ASTM A53A,B 16Mn,Q345	GB/T8162-2008 GB/T17396-1998 ASTM A53	OD:8-1240* WT:1-200	Apply to the general structure, engineering support, mechanical processing, etc
Oil casing	J55,K55,N80,L80 C90,C95,P110	API SPEC 5CT ISO11960	OD:60-508* WT:4.24-16.13	Used for extraction of oil or gas in oil Wells casing, used in oil and gas well sidewall

      

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 fouce on 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.