Complaint
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. | ||
1. Q: Are you a manufacturer or trader?
A: We are manufacturers. We have our own factory to produce and process various kinds of steel. The steel can be of conventional type or customized according to customer requirements.
