Product Details:
Payment & Shipping Terms:
|
| SHAPE: | CIRCULAR | MATERIAL: | CARBON STEEL |
|---|---|---|---|
| PROCESSING: | COLD DRAWN | TECHNIQUE: | SEAMLESS |
| PLACE OF ORIGIN: | JIANGSU, CHINA | SECONDARY OR NOT: | BRAND NEW |
GB 9948 SEAMLESS STEEL TUBES FOR PETROLEUM CRACKING
Specifications:
Steel Grade: 10/20/12CrMo/15CrMo
Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating
Ends: BE/PE, ends caps
Marking: as per requirement
Delivery Condition: Annealed/Normalized/Tempered
Size:(mm)
OD:15mm – 90mm
WT: 1.2mm – 15mm
Length: ≤16m. Fixed Length (6m,9m,12m, 16m or as per requirement) or random length
Package: Hexagonal Bundles with steel strips and plastic wrapping outside/Wooden box/Wooden crate/Steel frame/As per customer’s requirement
CHEMICAL COMPOSITION(%):
|
Grade |
C≤ |
Mn |
P≤ |
S≤ |
Si≥ |
|
10 |
0.07~0.13 |
0.35~0.65 |
0.030 |
0.020 |
0.17~0.37 |
|
20 |
0.17~0.23 |
0.35~0.65 |
0.030 |
0.020 |
0.17~0.37 |
MECHNICAL PROPERTIES:
| Grade | Tensile Strength σb(Mpa) | Elongation δ(%) | Yield Strength σs(Mpa) | ||
| WT≤16 | WT 16~30 | WT>30 | |||
| 10 | 335~475 | 25 | 205 | 195 | 185 |
| 20 | 410~550 | 24 | 245 | 235 | 225 |
DIMENSION TOLERANCE:
| Processing | Pipe Sizes (MM) | Tolerances | |
| Cold Drawn | OD | 14~30 | ±0.20 |
| >30~50 | ±0.30 | ||
| >50 | ±0.75% D | ||
| WT | ≤3.0 | +12.5%S -10%S | |
| >3.0 | ±10% S | ||
INSPECTION AND TEST:
CHEMICAL COMPOSTION TEST. MECHANICAL PROPERTIES TEST(tensile strength, yield strength, elongation, flaring, flattening, bending, hardness, impact,etc). SURFACE AND DIMENSION CHECK. NON-DESTRUCTIVE TEST(eddy current test/ ultrasonic test), hydraulic test.
Description:
GB 9948 SEAMLESS STEEL TUBES FOR PETROLEUM CRACKING
Applications:
Mainly used for petro-chemical industry
Competitive Advantage:
BEST PRICE WITH GOOD QUALITY AND SERVICE.
Always put quality on first consideration makes us keep our qulity stable and good. Always put customer’s benefit before ours makes our good service and gain us good reputation. Sincere , truth and careful on communication and work.
