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| Categories | Seamless Steel Tube |
|---|---|
| Brand Name: | TORICH |
| Model Number: | GB/T 5312 |
| Certification: | ISO 9001 ISO 14001 TS 16949 |
| Place of Origin: | Zhejiang China |
| MOQ: | 5 Ton |
| Price: | negotiable |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability: | 40000 Ton/Year |
| Delivery Time: | 30 days |
| Packaging Details: | Packing in wooden box，hexagonal bundles or other seaworthy ways. |
| Product Name: | Carbon and Carbon-Manganese Steel Seamless Steel Tubes and Pipes for Ship GB/T 5312 |
| Material: | Q235 Q345 |
| Surface: | With anti rust protection |
| Application: | Vessel |
| Shape: | Round |
| OD: | 4-1200mm |
| WT: | 0.3-200mm |
| Length: | 1.5-6m |
| Company Info. |
| TORICH INTERNATIONAL LIMITED |
| Verified Supplier |
| View Contact Details |
| Product List |
Carbon and Carbon-Manganese Steel Seamless Steel Tubes and Pipes
for Ship GB/T 5312
Spec:
Material:320/360/410/460/490
Size Range:OD:4-1200mm
WT:0.3-200mm
General Length:3-12m
Tolerance:
According to the following tables or customers’ request.
| Production Method | Size(mm) | Tolerance | |
Hot Rolling(Extrusion) | OD | ≤159 | ±1.0%(min.±0.50mm) |
| >159 | ±1.25% | ||
WT | ≤20 | +15%(min.+0.45mm) -10%(min. -0.30mm) | |
| >20 | ±10% | ||
| D≥351 | ±15% | ||
Cold Drawn | OD | ≤30 | ±0.20mm |
| 30~50 | ±0.30mm | ||
| >50 | ±0.8% | ||
WT | 1.5~3 | +12.5% -10% | |
| >3.0 | ±10% | ||
Steel grade | Chemical composition | |||||||||
| C | Si | Mn | S | P | Residual elements | |||||
| 320 | ≤0.16 | _ | 0.40~0.70 | ≤0.020 | ≤0.025 | Cr | Mo | Ni | Cu | Total |
| 360 | ≤0.17 | ≤0.35 | 0.40~0.80 | ≤0.25 | ≤0.10 | ≤0.30 | ≤0.30 | ≤0.70 | ||
| 410 | ≤0.21 | 0.40~1.20 | ||||||||
| 460 | ≤0.22 | 0.80~1.20 | ||||||||
| 490 | ≤0.23 | 0.80~1.50 | ||||||||
| Steel Grade | Tensile Strength MPa | Yield Strength MPa | Elongation % |
| 320 | 320-440 | ≥195 | ≥25 |
| 360 | 360-480 | ≥215 | ≥24 |
| 410 | 410-530 | ≥235 | ≥22 |
| 460 | 460-580 | ≥265 | ≥21 |
| 490 | 490-610 | ≥285 | ≥21 |
Producing Method: Hot rolling(extrusion), Cold drawn, Cold rolling.
Technical Delivery Conditions:Normalized(NBK)or Normalized and tempered
Widely used in the field of:For ship pressure pipe system, boiler and superheater (Seamless high pressure boiler tube)
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