Seamless Steel Pipe for Petroleum Cracking By JawaySteel
Basic Info
- Model NO.: seamless steel pipe
- Size: 30mm~610mm
- Thickness: 3mm~10mm
- Length: Fixed Length, by Random
- End Processing: Bevel Ends, Plain Ends
- Surface: Black Painting, Oil Coating
- Trademark: Iron&steel
- Transport Package: Standard Seaworthy Packing
- Specification: API 5L
- Origin: DaiNan,China
| Purchase Qty. / Reference FOB Price（This price is for reference only） | |
|---|---|
| 3-9 Tons | US $700 |
| 10-99 Tons | US $650 |
| 100+ Tons | US $550 |
| Port: | China |
|---|---|
| Production Capacity: | 2000tons Per Month |
| Payment Terms: | L/C, T/T |
| Type: | Seamless |
|---|---|
| Technique: | Cold Rolled and Hot Rolled |
| Material: | Carbon Steel |
| Surface Treatment: | Black |
| Usage: | Pipeline Transport, Oil/Gas Drilling |
| Section Shape: | Round |
Product Description
Seamless steel tubes for petroleum cracking
Standard:
GB9948 Chinese national standard
Application:
Served as for furnace tubes,heat exchange tubes and pipelines in petroleum and refinery plants
Dimensional tolerances :
| Types of steel tubes | Outer diameter | Wall thickness | ||
| Cold-rolled tubes | Tube sizes(mm) | Tolerances(mm) | Tube sizes (mm) | Tolerances(mm) |
| >30~50 | ±0.3 | ≤30 | ±10% | |
| >50~219 | ±0.8% | |||
| Hot-rolled tubes | >219 | ±1.0% | >20 | ±10% |
Mechanical properties:
| Standard codes | Models of steel tubes | Tensile(MPa) | Yield(MPa) | Elongation(%) | Impact(J) | hardness(HB) |
| GB9948 | 10 | 330~490 | ≥205 | ≥24 | / | / |
| 20 | 410~550 | ≥245 | ≥21 | ≥39 | / | |
| 15CrMo | 440~640 | ≥235 | ≥21 | ≥47 | ≤170 | |
| 1Cr2Mo | ≥390 | ≥175 | ≥22 | ≥92 | ≤179 | |
| 1Cr5Mo | ≥390 | ≥195 | ≥22 | ≥92 | ≤187 |
Chemical composition:
| Standard codes | Models of steel tubes | Chemical compositions(%) | |||||||
| C | Si | Mn | P | S | Cr | Mo | Ni | ||
| GB9948 | 10 | 0.07~0.14 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | ≤0.15 | / | ≤0.25 |
| 20 | 0.17~0.24 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | ≤0.25 | / | ≤0.25 | |
| 15CrMo | 0.12~0.18 | 0.17~0.37 | 0.40~0.70 | ≤0.035 | ≤0.035 | 0.80~1.10 | 0.40~0.55 | ≤0.30 | |
| 1Cr2Mo | ≤0.15 | 0.50~1.00 | 0.30~0.60 | ≤0.035 | ≤0.030 | 2.15~2.85 | 0.45~0.65 | / | |
| 1Cr5Mo | ≤0.15 | ≤0.50 | ≤0.60 | ≤0.035 | ≤0.030 | 4.00~6.00 | 0.45~0.60 | ≤0.60 | |
