A519 Seamless Steel Pipe Tube
Chemical Composition:
Standard
|
Steel Grade
| C(%) | Si(%) | Mn(%) | S(%) | P(%) |
A519 | 1010 | 0.05-0.15 | 0.15-0.35 | 0.3-0.6 | ≤0.050 | ≤0.040 |
1020 | 0.15-0.25 | 0.15-0.35 | 0.3-0.6 | ≤0.050 | ≤0.040 | |
1045 | 0.43-0.50 | 0.15-0.35 | 0.6-0.9 | ≤0.050 | ≤0.040 | |
4130 | 0.28-0.33 | 0.15-0.35 | 0.4-0.6 | ≤0.040 | ≤0.040 | |
4135 | 0.32-0.39 | 0.15-0.35 | 0.6-0.9 | ≤0.040 | ≤0.040 | |
4140 | 0.38-0.42 | 0.15-0.35 | 0.7-1.0 | ≤0.040 | ≤0.040 |
Other Specification:
End Shape | Beveled end, plain end, vanished, or adding plastic caps to protect the two ends as per customer's requirements | |
Surface Treatment | Oiled, Galvanized, Phosphate etc | |
Technique | Cold drawn & cold rolled | |
Application | 1. Automotive and mechanical pipes | |
2. Petroleum cracking pipes | ||
3. High Pressure Boiler Pipe | ||
4. Low and middle pressure fluid transportation pipeline | ||
5. Chemical fertilizer equipment pipes | ||
6. Heat exchanger pipes | ||
Delivery Conditions | 1. BK (+C) | No heat treatment after last cold forming process. |
2. BKW (+LC) | After last heat treatment there is a light finishing pass (cold drawing) | |
3. BKS (+SR) | After the final cold forming process the tubes are stress relieve annealed. | |
4. GBK (+A) | After the final cold forming process the tubes are annealed in a controlled atmosphere. | |
5. NBK (+N) | After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere. | |
Package | 1. Bundle Packing. | |
2. Plain end or vanished as per customer's request. | ||
3. Wrapped in waterproof paper. | ||
4. Sackcloth with several steel strips. | ||
5. Pack in heavy tri-wall boxes. |
ee japanese tube you jizz tube free japanese tube you jizz tube free japanese tube you jizz tube free japanese tube you jizz
steel pipe steel pipes steel pipe steel pi
pes steel pipe steel pipes steel pipe steel pipes steel pipe steel pipes steel pipe ssteel pipe steel pipes steel pipe steel pipes steel pipe steel pipes steel pipe steel pipes steel pipe steel pipes steel pipe s
1.We adopt special techniques and special skills in the acid cleaning process to deal with the place where it is easy to form fold crevice;
2.Well organized process,especially annealing treatment in a severely technical manner;
3.In respect with lubrication, we adopt the international advanced level treating process in the world, and put the surface quality of our products under strict control in order to prevent causing surface crack.
steel pipe steel pipes steel pipe steel pipes steel pipe steel pipes
steel
pipe steel pi
Seamless alloy steel pipe Seamless alloy steel pipe Seamless alloy steel pipe Seamless alloy steel pipe Seamless alloy steel pipe