TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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ASTM A519 MT1010 Cold Drawn Round Seamless Steel tube for Boiler
1. ASTM A519 Scope
1.2 this specification covers seamless thermoformed mechanical tubes and seamless cold formed
mechanical tubes 12 3 ⁄ 4 in. And smaller. Outer diameter of round pipe with wall thickness meeting
requirements (323.8 mm).
1.3 pipes shall be provided in the following shapes as specified by the buyer: round, square,
rectangular and round Special sections.
1.4 optional supplementary requirements are provided and shall be stated in the order if necessary.
1.5 values expressed in inch pound units shall be considered standard. The values given
in parentheses are for reference only
3. Chemical Requirements
| Chemical Requirements | |||
| Element | Composition, % | ||
| MT1015 | MT1010 | MT1020 | |
| Carbon | 0.10-0.2 | 0.05-0.15 | 0.15-0.25 |
| Manganese | 0.3-0.6 | 0.30–0.60 | 0.30-0.60 |
| Phosphorus, max | 0.04 | 0.04 | 0.04 |
| Sulfur, max | 0.05 | 0.05 | 0.05 |
