| Place of Origin: | China |
| Brand Name: | Torich |
| Certification: | ISO9001,ISO14001,TS16949 |
| Model Number: | ASTM A178 |
| Minimum Order Quantity: | 5 TONS |
|---|---|
| Price: | 1200 USD/TON |
| Packaging Details: | IN BUNDLES |
| Delivery Time: | 30-60 DAYS |
| Payment Terms: | T/T,L/C |
| Supply Ability: | 50000 TONS PER YEAR |
ASTM A178 Electric resistance welded carbon steel and carbon mangaese steel boiler and superheater tubes
Size range: O.D.:6-168mm W.T.:1-15mm L: according to customer requirement
Applications: for Boilers,Superheaters,Heat-Exchangers, Condensers
| Steel Grade and Chemical Compositions: | |||||
| Element | Grade A, Low-Carbon Steel |
Grade C, Medium-Carbon Steel |
Grade D, Carbon-Manganese Steel |
||
| Carbon | 0.06-0.18 | 0.35 max | 0.27 max | ||
| Manganese | 0.27-0.63 | 0.80 max | 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 | ||
| Tensil Streghth: min ksi[Mpa] | 47[325] | 47[415] | 70[485] | ||
| Yield Point: min ksi[Mpa] | 26[180] | 37[255] | 40[275] | ||
| Elongation: | ≥35% | ≥30% | ≥30% | ||
| Tolerance for OD and WT(SA-450/SA-450M) | |||||
| OD in(mm) | + | - | WT in(mm) | + | - |
| <1''(25.4) | 0.10 | 0.10 | ≤1.1/2''(38.1) | 20% | 0 |
| 1''~1.1''(25.4~38.1) | 0.15 | 0.15 | >1.1/2''(38.2) | 22% | 0 |
| >1.1/2''~<2''(38.1~50.8 | 0.20 | 0.20 | |||
| 2''~<2.1/2''(50.8~63.5) | 0.25 | 0.25 | |||
| 2.1/2''~<3''(63.5~76.2) | 0.30 | 0.30 | |||
| 3''~<4''(76.2~101.6) | 0.38 | 0.38 | |||
| 4''~<7.1/2''(101.6~190.5) | 0.38 | 0.64 | |||
| >7.1/2~9''(190.5~228.6) | 0.38 | 1.14 | |||
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