SHANDONG TONGMAO SPECIAL STEEL CO., LTD
Attitude determines everything, details determine success or failure！
Add to Cart
Hot dipped galvanized steel pipe galvanized mild steel pipe tube
Galvanizing can increase the corrosion resistance of steel pipes and prolong their service life. Hot dip galvanized steel pipes are widely used in construction, machinery, coal mining, chemical industry, electric power, railway vehicles, automobile industry, highways, bridges, containers, sports facilities, agricultural machinery, petroleum machinery, exploration machinery and other manufacturing industries.
Product description
| Size | OD(Outer Diameter) | 15mm-168mm) |
| WT(Wall Thickness) | 0.5-2.75mm. | |
| ZINC COATED | 1)Pre-galvanized steel pipe:Z40-80g/m2 | |
| Material | Q195 → Grade B, SS330,SPHC, S185 | |
| Standard | BS1387,EN10297,BS6323,BSEN10217,GB/T13793-1992, | |
| Section shape | Round/Square/Rectangular | |
| Type | Welded Pipe | |
| Technique | Electronic Resistance Welded (ERW ) | |
| Welded Line Type | Longitudinal | |
| Ends | 1)Plain2)Beveled3)Thread with Coupling or cap | |
| End protector | 1) Plastic pipe cap2) Iron protector | |
| Surface Treatment | 1) Bared | |
| Inspection | With Hydraulic Testing, Eddy Current , Infrared Test | |
| Class A test pressure | 4.83MPa-13.10Mpa | |
Detailed photos
Product parameters
The process flow is as follows:
black tube - alkali washing - water washing - acid pickling - rinsing with clean water - Leaching additives - drying - hot dip galvanizing - External blowing - internal blowing - air cooling - water cooling - passivation - water rinsing - Inspection - weighing - warehousing.
Packing and shipping
FAQ
How can I contact with your company?
We are always ready to serve you via Email, Wechat or Mobile telephone.
What is your working time?
Monday-Saturday : 8:00AM-17:30PM (Beijing time, GMT+08.00)
We have public holiday during May.1-3, Oct.1-7 and Chinese New Year holiday . For detail,
please see our update holiday notice. During these period, if you have a demand, Please
send me an email.
Do you provide free samples?
Yes, we can provide a free small sample for testing, buyer should bear all the shipping costs.
What is your payment terms?
T/T,L/C,D/A,D/P,Western Union,MoneyGram,Paypal
We are doing the best to match your demand.
What is the lead time?
Usually sample lead time is 7 days after payment has been confirmed.
Normal order is 10-30days,it depends on customers' quantity.
Anyway,we try to offer good-quality products as soon as possible.