Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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TPI Approved Alloy Steel ASTM A213 T5 Seamless Tube For Boiler
T5 Alloy Steel Tube (SA213 T5, Chorme-Moly) is a seamless ferritic Alloy Steel Tube for high temperature service. These T5 material including Alloy Steel T5 Tube and SA213 T5 Seamless Tube are suitable for high temperature application such as bending, flanging (vanstoning), and similar forming operations, and for fusion welding in the power industry and petro-chemical plants.
SA213 T5 Alloy Steel Tubing is also known as ASTM A213 T5 chrome moly tube because of the chemical makeup of Molybdenum (Mo) and Chromium (Cr). Molybdenum maintain the strength of SA213 T5 Boiler Tube as well as the elastic limit, resistance to wear, impact qualities, and hardenability. Moly is the most effective single additive that enhance high temperature creep strength of ASTM A213 T5 Tubes.
T5 Chemical Composition(%)
| Grade | Chemical Composition(%) | ||||||
| C | Mn | P | S | Si | Cr | Mo | |
| T5 | ≤0.15 | 0.30-0.60 | ≤0.025 | ≤0.025 | ≤0.50 | 4.00-6.00 | 0.45-0.65 |
Surface Condition
ASTM A213 T5 Seamless Ferritic alloy cold-finished steel tubes shall be free of scale and suitable for inspection. A slight amount of oxidation is not considered scale.
ASTM A213 T5 Seamless Ferritic alloy hot-finished steel tubes shall be free of loose scale and suitable for inspection.
Any special finish requirement be subject to agreement between the supplier and the purchaser.
T5 Mechanical & Physical Properties
| Grade | Mechanical property | |||
| Tensile Strength(MPa) | Yield Strength(MPa) | Elongation(%) | Hardness(HB) | |
| T5 | ≥415 | ≥205 | 30 | ≤163 |
Tolerances of Length
| Method of Manufacture | Specified Outside Diameter, in.[mm] | Cut Length, in. [mm] | |
| Over | Under | ||
| Seamless, hot-finished | All sizes | 3 ⁄ 16 [5] | 0 [0] |
| Seamless, cold-finished | Under 2 [50.8] | 1 ⁄ 8 [3] | 0 [0] |
| 2 [50.8] or over | 3 ⁄ 16 [5] | 0 [0] | |
| 2 [50.8] or over | 3 ⁄ 16 [5] | 0 [0] | |
Tolerances of Outside Diameter
| Pecified Outside Diameter,in. [mm] | Permitted Variations, in. [mm] | |
| Over | Under | |
| Hot-Finished Seamless Tubes | ||
| 4 [100] or under | 1 ⁄ 64 [0.4] | 1 ⁄ 32 [0.8] |
| Over 4 to 7 1 ⁄ 2 [100 to 200], incl | 1 ⁄ 64 [0.4] | 3 ⁄ 64 [1.2] |
| Over 7 1 ⁄ 2 to 9 [200 to 225], incl | 1 ⁄ 64 [0.4] | 1 ⁄ 16 [1.6] |
| Cold-Finished Seamless Tubes | ||
| Under 1 [25] | 0.004 [0.1] | 0.004 [0.11] |
| 1 to 1 1 ⁄ 2 [25 to 40], incl | 0.006 [0.15] | 0.006 [0.15] |
| Over 1 1 ⁄ 2 to 2 [40 to 50], excl | 0.008 [0.2] | 0.008 [0.2] |
| 2 to 2 1 ⁄ 2 [50 to 65], excl | 0.010 [0.25] | 0.010 [0.25] |
| 2 1 ⁄ 2 to 3 [65 to 75], excl | 0.012 [0.3] | 0.012 [0.3] |
| 3 to 4 [75 to 100], incl | 0.015 [0.38] | 0.015 [0.38] |
| Over 4 to 7 1 ⁄ 2 [100 to 200], incl | 0.015 [0.38] | 0.025 [0.64] |
| Over 7 1 ⁄ 2 to 9 [200 to 225], incl | 0.015 [0.38] | 0.045 [1.14] |
Applications
-Off-Shore Oil Drilling Companies
-Power Generation
-Petrochemicals
-Gas Processing
-Specialty Chemicals
-Pharmaceuticals
-Pharmaceutical Equipment
-Chemical Equipment
-Sea Water Equipment
-Heat Exchangers
-Condensers
-Pulp and Paper Industry
