Black Hollow Section Cold Formed Welded Structural Hollow Section

• Customization: Available
• Type: Welded
• Technique: ERW
• Model NO.: tyt
• Material: Carbon Steel
• Surface Treatment: Oiled
• Usage: Pipeline Transport
• Section Shape: Rectangular
• Standard: GB/T3091-2001, BS1387-1985, ASTM A53-1996
• Wt: 20*40-350*400mm
• Transport Package: Export Package
• Specification: Od: 17-219mm, Wt: 0.8-10.0mm
• Trademark: Tianyingtai
• Origin: Tianjin, China
• HS Code: 73063090
• Production Capacity: 300, 000tons/Year

Product Description

1,Product Information

Product Name	Rectangular Black Iron Pipe Specifications Per Weight
OD	20-219mm,WT:0.8-12mm
Size	10*10-400*400mm,WT:0.8-12mm
Length	0.3-13m or as your requirement
Surface	Pre-galvanized/Hot Dip Galvanized/Oiled/Painted
Material	Q195/Q215/Q235/Q345/Q195-Q235
Standard	ASTM-A53   /BS 1387-1985/   GB/T 3091-2001 for round pipe
	ASTM A500 /GB/T3094       for square/rectangular pipe
Ends	Plain /Beveled/ Threaded with sockets coupling and plastic caps/ Necking down/expanding neck/punching holes

  
2,Package
Packing:In bundle
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
3,Service
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

  Product Specification                                    

Outer Diameter	20*10-400*600mm
Wall thickness	0.8-12mm
Length	1-12m ,according to customers'requirements, stock is 6m
Material	Q195, Q215 ,Q235 ,Q345, Q195-Q235
Standard	ASTM A500,GBT 6728,GB T 3094
Packing	1)Big OD :in bulk 2)Small OD:packed by steel strips into bundles 3)According to the requirement of the customers.
Zinc Coating	Pre-:60-150g/m2 Hot Dip Galvanzied:>200g/m2
Certificate	ISO 9001-2000
Technique	Welded / ERW / Cold drawn
Product Category	Metallurgy,Mineral &Energy
Main Market	Middle East, Africa, Asia and some European country and America ,Australia
annual output	200,000 tons
Remarks	1.Payment terms :T/T deposite+B/L copy or L/C at sight
	2.Terms of trade :FOB ,CFR,CIF
	3.MOQ : 10 tons ( Can coordinate )

                     Hollow Section--GBT 6728/ASTM A500                  

Size(mm)	Thickness(mm)		Size(mm)		Thickness(mm)
10*10	0.6-1.0		20*10		0.6-1.0
12*12	0.6-1.0		25*12		0.6-1.0
16*16	0.6-1.2		38*19		0.6-1.5
19*19	0.6-1.5		50*25		0.6-1.5
20*20	0.6-1.5		50*30		1.0-3.0
25*25	1.0-2.75		60*40		1.5-3.5
30*30	1.0-2.75		75*50		1.5-4.0
32*32	1.0-3.0		80*40		1.5-4.0
38*38	1.0-3.0		100*50		2.0-6.0
40*40	1.0-3.5		100*60		2.0-6.0
50*50	1.0-5.0		100*75		2.0-6.0
60*60	1.0-6.0		120*60		3.0-6.0
63.5*63.5	1.0-6.0		120*80		3.0-6.0
70*70	1.5-6.0		125*50		3.0-6.0
75*75	1.5-6.0		125*75		3.0-6.0
80*80	2.0-6.0		150*50		3.0-6.0
90*90	2.0-6.0		150*75		3.0-6.0
100*100	2.3-6.0		150*100		4.0-12
120*120	4.0-6.0		160*80		4.0-6.0
125*125	4.0-6.0		175*100		4.0-12
150*150	4.0-8.0		200*100		4.0-12
200*200	6.0-12		200*150		4.0-12
250*250	6.0-12		250*150		5.0-12
300*300	6.0-12		300*200		5.0-12
400*400	6.0-12		400*200		5.0-12

Quality Inspection:

1.Our factory has its own "experimental testing center".CNAS Laboratory Accreditation Certificate (the second private enterprise to obtain this certificate)

2.Control quality strictly.The first pass is the quality inspection on the production line,The second pass is full inspection of the  production quality .

3.We have got internationally recognized certificates, ISO, CE, LR,Philippine certificate,also support third-party testing,as SGS, BV, ect.