
din30670 3pe coated seamless steel pipe supply
1.Description
Pipe Type |
Seamless Steel Pipe |
3PE Coating Thickness |
1.8mm to 4mm |
Pipe Material |
ASTMA53/ASTMA106/API 5L GR.B , X42,X52,X60 ect |
Pipe Length |
12m max |
Pipe End |
Plain End, Bevel End, Groove End , NPT thread and coulpings |
Surface treatment |
sand blasting , Sa2.5, Sa3.0,free of oil , rust , |
Pipe Sizes |
DN20 to DN1200 |
Wall thickness |
sch40, sch60, std,sch80, sch100,sch160 |
Package |
Bundle package |
Shipment |
in 20FT, 40FT container or break bulk vessels |
Production Capacity |
10000 tons per month . |
2. Structure Layers of 3pe coatings
Effective corrosion prevention requires a combination of below 3 layers:
First Layer |
FBE |
>100 um |
Second Layer |
Adhesive |
170 um-250 um |
Top Layer |
PE |
1.8MM – 4.0MM |
We process the coating according to DIN 30670″Polyethylene coating of steel pipes and fittings”.The minimum coating thickness should be selected according to the following table:
Steel Pipe Size |
Min.thickness:(mm) |
Normal (N) |
Reinforment(V) |
DN≤100 |
1.8 |
2.5 |
100 |
2.0 |
2.7 |
250 |
2.2 |
2.9 |
500 |
2.5 |
3.2 |
DN≥800 |
3.0 |
3.7 |
Note : the coating thickness on welded seam should be not less than 70% of specified value.
3.Production Flow Chart

4.PE Topcoat : Characteristic

5. Sand blasting Test/ Peel Test/ Thickness Test ect

6. Other External Coatings for steel pipes
We can provide external coatings for steel pipe as 3pe , fbe, liquid epoxy, bitumen coatings, and polyurethane insulated coatings.

7. One-stop purchase service :
Except for anti corrosive coated steel pipes, Decho can also provide you steel bars, steel plates, steel coils, galvanized pipes, oval pipes ,square pipes, as well as other pipe fittings. If you have any request for your project ,pls do not hesitate to contact us by email : [email protected]