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| Categories | Seamless Cold Drawn Steel Tube |
|---|---|
| Brand Name: | New Era |
| Model Number: | ASTM A179 |
| Certification: | ISO 9001 ISO 14001 TS 16949 EN 10204.3.1 LR KR |
| Place of Origin: | China |
| MOQ: | 5 tons |
| Price: | Negotiation |
| Payment Terms: | T/T |
| Supply Ability: | 5000 tons/month |
| Delivery Time: | 45 days |
| Packaging Details: | n bundles or in wooden box |
| Material: | 16MnDG 10MnDG 09DG 09Mn2VDG |
| Keyword: | Low Carbon Steel Pipe |
| OD Size: | 30-351mm |
| WT Size: | 3-25mm |
| Surface: | Oiled |
| Usage: | Low-temperature-service Piping |
| Shape: | Round |
| Length: | 4-1200mm |
| Company Info. |
| NEW-ERA STEEL TUBE TECHNOLOGY CO.,LTD |
| Verified Supplier |
| View Contact Details |
| Product List |
A179 Low Carbon Cold Drawn Seamless Steel Tube for Boiler Heat-exchanger
Application:Applicable to -45 °C grade ~-100 °C level cryogenic pressure vessel pipe and low temperature heat exchanger pipe seamless steel
Size:L--4-12m OD--30-351mm WT--3-25mm
Manufacture method:Steel should be smelted with oxygen converter or electric furnace and added outside the furnace
Delivery Condition:Normal delivery
Processing methods:Hot rolled (expanding) steel pipe--WH
cold drawing (rolling) Steel pipe --WC
Surface Quality:The internal and external surfaces of the steel tube are not allowed to have cracks, scabs, folds, delaminations, laps, and burns. Allows for scribes, scratches, misalignment of welds, burns, oxide scales, and external burr removal traces that are not more than a negative wall thickness deviation
Inspection items:
chemical composition
Tensile test
Ultrasonic examination
Eddy current flaw detection
Bending test
Flattening test
Permissible deviation tolerance of OD and WT
| Classfication | Steel size | Permissible tolerance | |
| W-H | OD | ＜351 | ±1.0%D |
| ≥351 | ±1.25%D | ||
| WT | ≤25 | ±12.5%S | |
| W-C | OD | ≤30 | ±0.20 |
| ＞30~50 | ±0.30 | ||
| ＞50 | ±0.75%D | ||
| WT | ≤3 | ＋12.5%S -10%S | |
| ＞3 | ±10%S | ||
|
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