A53 A106 A333 A335 Stpt42 G3456 St45 DN15 Sch40 LSAW Hfw ERW SSAW Carbon Hot Rolled/Cold Rolled/Cold Drawn Galvanized/ Precision/Welded/Seamless Steel Pipe Galv

• After-sales Service: 24 Hours Online
• Warranty: 2 Years
• Type: Seamless
• Technique: Hot Dipped
• Material: Carbon Steel
• Surface Treatment: Galvanized
• Model NO.: Gr. B/Q235/Q345/S235JR/S275JR/S355JR/STK400/STK500
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Round
• Od: 15mm-600mm
• Wt: 0.5-25mm
• Thickness Tolerance: ±0.15mm
• Length: 3-12m
• Zinc Coating: Z40-520G/M2
• Ends: Plain/Beveled/Thread with Coupling or Cap
• Type of Pipe: Round/Square/Rectangle Tube
• MOQ: 1ton
• Delivery Time: 7-21 Days
• Payment: T/T, L/C
• Transport Package: Standard Export Seaworthy Package
• Specification: Customized
• Trademark: Longhai
• Origin: China
• HS Code: 7304399000
• Production Capacity: 250, 000 Tons/Year

Product Description

Specification

Out Diameter	Pre galvanized:1/2''-4''(21.3-114.3mm).  Such as 38.1mm, 42.3mm, 48.3mm, 48.6mm or as customer request.
	Hot dipped galvanized:1/2''-24''(21.3mm-600mm). Such as 21.3mm, 33.4mm, 42.3mm, 48.3mm, 114.3mm or as customer request.
Thickness	Pre galvanized:0.6-2.5mm.
	Hot dipped galvanized: 0.8- 25mm.
Zinc coating	Pre galvanized:5μm-25μm
	Hot dipped galvanized:35μm-200μm
Type	Electronic Resistance Welded (ERW)
Steel Grade	Q235, Q345, S235JR, S275JR, STK400, STK500, S355JR, GR.B-D
Standard	BS1139-1775, EN1039, EN10219, JIS G3444:2004, GB/T3091-2001, BS1387-1985, DIN EN10025, ASTM A53 SCH40/80/STD, BS-EN10255-2004
Surface Finish	Pre-galvanized, Hot dipped galvanized, Electro galvanized, Black, Painted, Threaded, Engraved, Socket.
Ends	1.Plain 2.Beveled 3.Thread with Coupling or cap
End protector	1.Plastic pipe cap 2. Iron protector
International Standard	ISO 9000-2001, CE CERTIFICATE, BV CERTIFICATE
Packing	1.Big OD:in bulk  2.Small OD:packed by steel strips  3.woven cloth with 7 slats  4.according to the requirements of customers
Main Market	Middle East,Africa, Asia and some Uropean country and South America, Australia
Country of origin	China
Productivity	5000Tons per month.
Remark	1. Payment terms : T/T ,L/C  2. Terms of trade : FOB ,CFR,CIF ,DDP,EXW  3. Minimum order : 1tons  4. Delivery time : Within 25 days.

Main size(round pipe)

Outer diameter (mm)		Wall thickness (mm)	Length (meters)
1/2''	21.3	0.6~3.0	0.3m~12m
3/4''	26.7	0.6~3.0	0.3m~12m
1''	33.4	1.0~3.0	0.3m~12m
1-1/4''	42.3	1.0~4.0	0.3m~12m
1-1/2''	48.3	1.0~4.0	0.3m~12m
2''	60.3	1.5~4.0	0.3m~12m
2-1/2''	76.1	1.5~4.0	0.3m~12m
3''	88.9	1.5~9.5	0.3m~12m
4''	114.3	2.0~9.5	0.3m~12m
5''	141.3	3.0~9.5	1m~12m
6''	168.3	3.0~12.0	1m~12m
8''	219.1	3.2~12.0	1m~12m
10''	273	3.2~12.0	1m~12m
12''	323.8	6.0~15.0	1m~12m
14''	355.6	8.0~15.0	1m~12m
16''	406.4	8.0~20.0	1m~12m

Main size(square/rectangle galvanized seamless steel tube)

Square tube(mm)		Rectangle tube (mm)
16×16×0.4~1.5	380×380×8.0~14.0	10×20×0.6~1.5	250×150×6~12.0
18×18×0.4~1.5	400×400×8.0~14.0	14×21×0.6~1.5	250×100×6~12.0
20×20×0.4~1.5	420×420×10.0~14.0	15×30×1.5~1.5	250×200×6~12.0
25×25×0.6~2.0	450×450×10.0~14.0	15×38×0.6~1.5	300×150×6~12.0
30×30×0.6~4.0	480×480×10.0~14.0	20×30×0.6~2.0	300×200×6~12.0
34×34×1.0~2.0	500×500×10.0~14.0	20×40×0.8~2.0	300×250×6~12.0
35×35×1.0~4.0		20×50×1.0~2.0	400×250×8~12.0
38×38×1.0~4.0	550×550×10.0~40.0	22×35×0.9~2.0	400×300×8~12.0
40×40×1.0~4.5	600×600×10.0~40.0	25×40×0.9~3.75	450×200×8~12.0
44×44×1.0~4.5	700×700×10.0~40.0	25×65×1.0~2.0	450×250×8~12.0
45×45×1.0~5.0	800×800×10.0~50.0	30×40×1.0~3.75	400×300×8~12.0
50×50×1.0~5.0	900×900×10.0~50.0	30×45×1.0~3.75	400×350×8~12.0
60×60×1.5~5.0	1000×1000×10.0~50.0	30×50×1.0~4.0	500×200×10~12.0
70×70×2.0~6.0		30×60×1.0~4.5	500×250×10~12.0
75×75×2.0~6.0		40×50×1.0~4.5	500×300×10~12.0
80×80×2.0~6.0		40×60×1.0~5.0	500×350×10~12.0
85×85×2.0~6.0		40×80×1.5~5.0	500×400×10~12.0
95×95×2.0~8.0		40×100×2.0~5.0	500×450×10~12.0
100×100×2.0~8.0		50×60×2.0~5.0
120×120×4.0~8.0		50×80×2.0~5.0	600×200×10~28.0
150×150×6.0~10.0		50×100×2.0~8.0	600×400×10~28.0
180×180×6.0~12.0		60×80×2.0~6.0	600×500×10~28.0
200×200×6.0~12.0		80×100×2.0~8.0	800×400×10~28.0
220×220×6.0~14.0		120×60×2.5~10.0	800×600×10~28.0
250×250×6.0~14.0		120×80×2.5~10.0	800×700×10~28.0
280×280×6.0~14.0		150×100×2.5~12.0	1000×400×10~28.0
300×300×8.0~14.0		180×150×2.5~12.0	1000×500×10~28.0
320×320×8.0~14.0		200×100×4~12.0	1000×600×10~28.0
350×350×8.0~14.0		200×150×4~12.0	1000×800×10~28

 

Product display

Production technology:

Black inspection → hanging → skimming → rinsing → pickling → cleaning → dip plating aid → hot air drying → hot dip galvanizing → internal and external blowing → Cooling → passivation and rinsing → Unloading → inspection and dressing → typing marks → packing, warehousing and transportation.

Galvanized tape → Uncoiling → stretching → Pipe coiling → Welding → Scraping → Passivation and rinsing → Zinc filling → Shaping → Typewriting → cutting → packing → Drying → weighing.

 

Packaging & Shipping

Factory show

Scope of use

Certifications

Exhibition

FAQ

Q1:What product information must I provide before making a purchase?
Please provide the grade, width, thickness, and surfacetreatment requirements, as well as the quantities you require.

Q2:What shipping ports are there?

We normally ship from Tianjin and Qingdao ports.
 

Q3:What are your payment terms?

30% T/T in advance and 70% balance before shipment or based on BL copy or LC at sight.

Q4:What about product pricing information?

Prices vary due to changes in raw material prices on a regular basis.
 

Q5:Is it possible to send samples?

Of course, we offer free samples and express shipping to customers all over the world.

Q6:Do you offer a service for customized products?

Yes, we can produce according to your specifications and drawings.
 

Q7:Can I pay you a visit at your factory?

Customers from all around the world are welcome to visit our factory.
 

Q8:Can you assist me in importing steel products for the first time?

Yes, we have shipping agent who will arrange the shipment with you.
 

Q9. What is your delivery time?

Within 7 working days after receiving your balance payment.

Please leave your enquiry in the message box at the bottom of the product page and click SEND, online salesman will contact you as soon as possible.