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ASTM A213 T9 Alloy Steel Seamless U Bend Tube Boiler Tube High Temperature Resistance
ASTM A213 T9 Alloy Steel Seamless U Bend Tube Boiler Tube High Temperature Resistance
ASTM A213 T9 Alloy Steel Seamless U Bend Tube Boiler Tube High Temperature Resistance
ASTM A213 T9 Alloy Steel Seamless U Bend Tube Boiler Tube High Temperature Resistance
ASTM A213 T9 Alloy Steel Seamless U Bend Tube Boiler Tube High Temperature Resistance
ASTM A213 T9 Alloy Steel Seamless U Bend Tube Boiler Tube High Temperature Resistance
ASTM A213 T9 Alloy Steel Seamless U Bend Tube Boiler Tube High Temperature Resistance
ASTM A213 T9 Alloy Steel Seamless U Bend Tube Boiler Tube High Temperature Resistance
Specifications
Brand Name :
YUHONG
Model Number :
ASTM A213 / ASME SA213 T9
Certification :
ISO 9001/TUV/PED
Place of Origin :
China
MOQ :
500 KGS
Price :
Negotiable
Payment Terms :
T/T, L/C at sight
Supply Ability :
1000 TONS / month
Delivery Time :
Depends on order quantity
Packaging Details :
Steel frame wooden case with plastic cap
Alloy Type :
Alloy Steel
Form :
Seamless tube
Diameter :
3.18-152.4mm
Wall Thickness :
0.41mm - 25.4mm
Applications :
Boilers, heat exchangers, superheaters, HRSG
Description

ASTM A213 T9 Alloy Steel Seamless U Bend Tube Boiler Tube High Temperature Resistance

ASTM A213 is a standard specifically for the core material of seamless steel tubes used in heat exchange equipment operating under high pressure and high temperature conditions.

Tubes manufactured according to this standard are widely used in boilers, superheaters, reheaters, heat exchangers, condensers, and other equipment.

ASTM A213 T9 SMLS Tube belongs to the T-series materials, primarily composed of low-alloy chromium-molybdenum steel, and is characterized by its high-temperature resistance. T9 is a ferritic alloy steel with a composition of 9Cr-1Mo-Si.

The average and minimum wall thicknesses of tubes under this standard are acceptable, so specific definitions are necessary.

Chemical Composition (%)
Element Standard Requirement (≤) Typical Value / Note
Carbon (C) 0.15 max 0.09–0.13
Manganese (Mn) 0.30–0.60 0.40–0.60
Phosphorus (P) 0.025 max 0.020 max
Sulfur (S) 0.025 max 0.015 max
Silicon (Si) 0.25–1.00 0.50–0.80
Chromium (Cr) 8.00–10.00 8.50–9.50
Molybdenum (Mo) 0.90–1.10 0.95–1.05
Iron (Fe) Balance Balance
Others — Residuals

Mechanical Properties
Property Standard Requirement Note / Condition
Tensile Strength, min 415 MPa (60 ksi)
Yield Strength, min 205 MPa (30 ksi) 0.2% offset
Elongation in 2 in (50 mm), min 30% For wall thickness ≥ 0.007 in (0.18 mm)
Hardness, max 179 HBW Brinell Hardness (typical)
Heat Treatment Full Anneal Or normalized and tempered

Applications and Advantages of T9 Material:

T22 is the most economical mainstream choice below approximately 580°C.

T9 offers high cost-effectiveness and can replace T22 in high-temperature applications, especially in the 565°C to 595°C range, where its resistance to steam oxidation is a core advantage.

When the temperature consistently exceeds approximately 595°C, or the pressure is higher, more advanced alloys such as T91/T92 should be selected to take advantage of their significantly higher creep strength.

When the temperature consistently exceeds approximately 650°C, austenitic stainless steel should generally be considered.

1. Low-temperature/terminal superheaters and reheaters in high-pressure power plant boilers

2. Boilers in petrochemical heating furnaces

3. Heat exchangers (shell side/tube side with corrosive media)

4. Upgrading and replacing T22 tube sections in old units

ASTM A213 T9 Alloy Steel Seamless U Bend Tube Boiler Tube High Temperature Resistance

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ASTM A213 T9 Alloy Steel Seamless U Bend Tube Boiler Tube High Temperature Resistance

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Product Detail
Brand Name :
YUHONG
Model Number :
ASTM A213 / ASME SA213 T9
Certification :
ISO 9001/TUV/PED
Place of Origin :
China
MOQ :
500 KGS
Price :
Negotiable
Contact Supplier
ASTM A213 T9 Alloy Steel Seamless U Bend Tube Boiler Tube High Temperature Resistance
ASTM A213 T9 Alloy Steel Seamless U Bend Tube Boiler Tube High Temperature Resistance
ASTM A213 T9 Alloy Steel Seamless U Bend Tube Boiler Tube High Temperature Resistance
ASTM A213 T9 Alloy Steel Seamless U Bend Tube Boiler Tube High Temperature Resistance

YUHONG HOLDING GROUP CO., LTD

Verified Supplier
2 Years
ningbo
Since 1990
Business Type :
Manufacturer, Exporter, Trading Company, Seller
Main Products :
TEMA Heat Exchanger, Air Cooled Heat Exchanger, Fired Heater
Total Annual :
50M-75M
Employee Number :
50~850
Certification Level :
Verified Supplier
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