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ASTM A213 T9 T91 Steam Tube Boiler
Material and Specification
| Material | Specification |
|---|---|
| ASTM A213 | T9 T91 |
Chemical Composition
The chemical composition of ASTM A213 T9 T91 steam tube boiler materials is as follows:
| Element | ASTM A213 T9 (%) | ASTM A213 T91 (%) |
|---|---|---|
| Carbon (C) | 0.15 max | 0.08-0.12 |
| Manganese (Mn) | 0.30-0.60 | 0.30-0.60 |
| Phosphorus (P) | 0.025 max | 0.020 max |
| Sulfur (S) | 0.025 max | 0.010 max |
| Silicon (Si) | 0.25-1.00 | 0.20-0.50 |
| Chromium (Cr) | 8.00-10.00 | 8.00-9.50 |
| Molybdenum (Mo) | 0.90-1.10 | 0.85-1.05 |
Mechanical Properties
The mechanical properties of ASTM A213 T9 and T91 steam tube boiler materials are given below:
ASTM A213 T9
| Property | Value |
|---|---|
| Tensile Strength | 415 MPa (min) |
| Yield Strength | 205 MPa (min) |
| Elongation | 30% (min) |
| Hardness | HRB 163 (max) |
ASTM A213 T91
| Property | Value |
|---|---|
| Tensile Strength | 585 MPa (min) |
| Yield Strength | 415 MPa (min) |
| Elongation | 20% (min) |
| Hardness | HRB 250 (max) |
Steel Grade
The steel grade for ASTM A213 T9 and T91 steam tube boiler materials is as follows:
- ASTM A213 T9: Grade 9
- ASTM A213 T91: Grade 91
Application
ASTM A213 T9 and T91 steam tube boiler materials are widely used in the construction of steam boilers and high-pressure piping systems. These materials are specifically designed to withstand high temperatures and pressures encountered in steam generation processes. They are commonly used in power plants, refineries, and petrochemical plants, where reliable and efficient steam generation is crucial.
Our company is a modern enterprise, producing ASTM A213 ASME SA213 T91 T92 T23 Cold Rolled or Cold Drawn Seamless Alloy Steel Boiler Tube in many countries and regions and industrial globalization has been our strategic direction. Our company adheres to the tenet of 'survive by quality and development by reputation'. We continuously improve our management level, constantly challenge ourselves and surpass ourselves, and wholeheartedly provide customers at home and abroad with quality products and services! All the employees in factory, store, and office are struggling for one common goal to provide better quality and service.
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