NEW-ERA STEEL TUBE HOLDING
NINGBO PIPEWAY TRADE CO.,LTD
| Place of Origin: | China |
|---|---|
| Brand Name: | New Era |
| Certification: | ISO9001,TS16949 |
| Model Number: | ASTM A178 |
| Minimum Order Quantity: | 5 tons |
| Price: | Negotiation |
| Packaging Details: | Bundles Package, Wooden Box Package |
| Delivery Time: | 45 days |
| Payment Terms: | T/T |
| Supply Ability: | 3000 tons/month |
| Material: | Q195, STt35, E235, 1010, 10# | Delivery Condition: | Heat Treatment |
|---|---|---|---|
| OD Size: | 12.7-127mm | WT Size: | 0.9-9.1mm |
| Length: | 5.8M,6M,11.8M | Application: | Heat Exchanger, Condenser, Superheater |
| Highlight: | ASTM A178 Welded Steel Pipe,Q195 Welded Steel Pipe,11.8M Welded Steel Pipe |
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ASTM A178 Electric Resistance Welded Carbon Steel and Carbon Manganese Steel Boiler and Superheater Tubes
Material: Carbon steel and carbon manganese steel
Production: Electric Resistance Welding
Size range: O.D.: 12.7-127mm W.T.:0.9-9.1mm L: according to customer requirement
Applications: For Boilers, Superheaters, Heat-Exchangers, Condensers, Boiler flues, Superheater flues and Safe ends
Heat treatment:
After welding, all tubes are heat treated at a temperature of 1650℉ (900℃) or higher and followed by cooling in air or in the cooling chamber of a controlled atmosphere furnace.
Cold-Drawn tubes are heat treated after the final cold-draw pass at a temperature of 1200℉(650℃)or higher.
Chemical Properties
| Element | Grade A,Low-Cabon Steel | Grade C,Medium-Carbon Steel |
Grade D, Carbon-Manganese Steel |
|
| Carbon | 0.06-0.18 | 0.35 Max | 0.27Max | |
| Manganese | 0.27-0.63 | 0.80Max | 1.00-1.50 | |
| Phosphorus,Max | 0.035 | 0.035 | 0.030 | |
| Sulfur,Max | 0.035 | 0.035 | 0.015 | |
| Silicon | - | - | 0.10 min | |
| Mechanical Properties | Grade A | Grade C | Grade D | |
| Tensile Strength:min ksi(Mpa) | 47(325) | 60(415) | 70(485) | |
| Yield Point:min ksi(Mpa) | 26(180) | 37(255) | 40(275) | |
| Elongation | ≥35% | ≥30% | ≥30% | |