SA 213 Gr T11 | Alloy Steel ASTM A213 T11 Seamless Tube

ASTM A213 / ASME SA213 T11 Alloy Steel Seamless Tube Manufacturer

ASTM A213 T11 Tube is a high-quality boiler-grade stainless steel tube manufactured from various material grades. These tubes are essential in high-temperature applications, including heat exchangers, superheaters, and boilers. Solitaire Overseas is a primary exporter and supplier of these tubes in large quantities.

The ASME SA213 T11 Seamless Tube composition includes carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, and molybdenum, providing high tensile strength, impressive yield strength, and significant Brinell hardness.

The T11 Boiler Tube can be either hot-finished or cold-drawn, available in seamless, ERW, welded, or fabricated types. Known for its high-temperature tolerance and corrosion resistance, the ASTM A213 T11 Tube is ideal for demanding environments. Its ductility allows for processes such as flanging, bending, and more. Additionally, SA 213 T11 tubes are compatible with fusion welding, making them suitable for power generation and petrochemical applications.

Solitaire Overseas ASTM A213 T11 pipes are crafted from top-grade materials and are optimized for excellent performance under high temperature and pressure. For further information or inquiries about ASTM A213 Gr T11 specifications, please feel free to contact us. We’re ready to assist with your high-temperature tubing requirements.

ASTM A213 T11 Tubes

ASTM A213 T11 covers seamless ferritic and austenitic alloy-steel tubes for use in boilers, superheaters, and heat exchangers. In the case of the T11 grade, the tubes are part of the low alloy steel replaced by chromium and molybdenum. This composition leads to a necessary balance of properties, which includes creep resistance and strength at higher temperatures. Therefore, A213 T11 is a common "low alloy" tube that can be used in high temperature and higher pressure applications when you have concerns about what the tube will be exposed to. You will find this alloy in power generation and various other manufacturing processes where the tubing may be subjected to extreme circumstances where its structural integrity is very critical.

A213 T11 Alloy Steel Seamless Tubes

A213 T11 Alloy Steel Seamless Tubes are made completely from solid alloy, without any welds or fused seams, which is very important for performance and reliability. Seamless means a more homogenous microstructure throughout the wall of the tube. This translates to higher yield, higher strength, and higher corrosion resistance along the entirety of the tube, especially at or near points of highest stress as welded seams cannot achieve this level of performance (and reliability). The selected alloying elements and their composition, chromium and molybdenum, will ensure the tubes will maintain their mechanical integrity at elevated temperatures and will also provide a reasonable level of oxidation resistance in high-stress service environments. A213 T11 Alloy Steel Seamless Tubes are therefore suitable for extremely critical service requirements as encountered in the refining, and petrochemical industries. A213 T11 alloy seamless tubing serve as very robust and reliable means for transporting fluids or gases, or both under all practical service conditions.

Grade details
These Alloy Steel T11 Tubes consists of a minimum ferritic alloy that is usually furnished with a particular diameter that offers excellent surface finishing to these tubes. There are several applications where these alloy steel tubes are used. The alloy consists of a combination of both austenitic and ferritic stainless steel.

Testing and packaging
When T11 Tubes are completely manufactured, these tubes are tested by qualified professionals. They make sure all the tubes are as per the demand or not. The tests include the pitting resistance test, hardness test, positive material identification test, flattening test, flaring test, third-party inspection, ultrasonic test hardness test, and other essential tests. The entire testing process is conducted under the supervision of professionals. In the end, these tubes are packed with a waterproof quality of packaging material that helps prevent rust.

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ASTM A213/ASME SA213 T11 Material Specification

Specification

Specifications

ASTM A213 / ASME SA213

Dimensions

ASTM, ASME and API

Tubes Size

1/2″ OD up to 5″ OD, customs diameter also available

Schedule

SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS

Type :

Seamless

Form :

Round, Square, Rectangular, Hydraulic Etc

Length :

Single Random, Double Random & Cut Length.

Outer Diameter

6.2500mm; WT:1-200mm

ASTM SA213 T11 Material Equivalent

STANDARD	WERKSTOFF NR.	UNS
A213 T11	1.7335	K11597

ASTM SA213 T11 Tube Chemical Composition

UNS Designation	K11597
Carbon	0.05-0.15
Manganese	0.30–0.60
Phosphorus	0.025
Sulfur	0.025
Silicon	0.50-1.00
Nickel	…
Chromium	1.00-1.50
Molybdenum	0.44-0.65
Vanadium	…
Boron	…
Niobium	…
Nitrogen	…
Aluminum	…
Tungsten	…
Other Elements	…

Mechanical Properties of Alloy Steel T11

Element	Alloy Steel T11
Tensile Strength	415 min, MPa
Yield Strength	205 min, MPa
Elongation	30 % min

ASTM A213 T11 Seamless Tube Diameter

Hot rolled	Outside Diameter, mm	Tolerance, mm
	Outer Diameter≤101.6	+0.4/-0.8
	101.6＜Outer Diameter≤190.5	+0.4/-1.2
	190.5＜Outer Diameter≤228.6	+0.4/-1.6
Cold Drawn	Outside Diameter, mm	Tolerance, mm
	Outer Diameter＜25.4	±0.10
	25.4≤Outer Diameter≤38.1	±0.15
	38.1＜Outer Diameter＜50.8	±0.20
	50.8≤Outer Diameter＜63.5	±0.25
	63.5≤Outer Diameter＜76.2	±0.30
	76.2≤Outer Diameter≤101.6	±0.38
	101.6＜Outer Diameter≤190.5	+0.38/-0.64
	190.5＜Outer Diameter≤228.6	+0.38/-1.14

A213 T11 Hot Finished Tube Wall Thickness

Hot rolled	Outside Diameter, mm	Tolerance, %
	Outer Diameter≤101.6, Wall Thickness≤2.4	+40/-0
	Outer Diameter≤101.6, 2.4＜Wall Thickness≤3.8	+35/-0
	Outer Diameter≤101.6, 3.8＜Wall Thickness≤4.6	+33/-0
	Outer Diameter≤101.6, Wall Thickness>4.6	+28/-0
	Outer Diameter>101.6, 2.4＜Wall Thickness≤3.8	+35/-0
	Outer Diameter>101.6, 3.8＜Wall Thickness≤4.6	+33/-0
	Outer Diameter>101.6, Wall Thickness>4.6	+28/-0
Cold Drawn	Outside Diameter, mm	Tolerance, %
	Outer Diameter≤38.1	+20/-0
	Outer Diameter>38.1	+22/-0

Applications of A213 T11 Alloy Steel Seamless Tubes

ASTM A213 T11 Alloy Steel Seamless Tubes are designed to withstand high temperatures and high pressures. These tubes, which are made of molybdenum (Mo) and chromium (Cr) and have exceptional strength, thermal stability and resistance to corrosion and oxidation. In crucial industrial applications, their flawless structure guarantees excellent performance, dependability and safety.

Chrome Moly T11 Tubes in various Application Industries

Power generation (thermal and nuclear)

Oil & gas refineries

Petrochemical and chemical processing

Fertilizer plants

Heat recovery steam generators (HRSGs)

Industrial process heating systems

Types of ASTM SA 213 T11 Tube

Alloy Steel T11 Tubes	T11 Alloy Steel A335 Tube
AISI T11 ERW Tube	ASTM A213 T11 Tubes
ASTM A213 Grade T11 Tubes	ASTM A213 T11 Alloy Steel Seamless Tube
Alloy Steel Grade T11 Round Tube	T11 Tubes Dealer
Alloy Steel T11 Seamless Tubes	Alloy Steel Gr T11 Heater Tube
Alloy Steel T11 Custom Tubes	ASME SA / ASTM A213 T11 Tubes
ASME SA 335 Alloy Steel T11 Seamless Tube	IBR Alloy Steel T11 Tubes
Alloy A213 T11 Seamless Square Tube	ASME SA213 T11 Alloy Steel Seamless Tube
High Pressure T11 Boiler Tube	ASME SA213 T11 Alloy Steel Rectangular Tube

Why Choose ASTM A213 T11 Tubes?

Excellent performance in extreme conditions
Long service life with minimal maintenance
High resistance to scaling and thermal fatigue
Seamless quality ensures leak-proof operations

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FAQ

SA 213 T11 is a grade of low ferritic alloy steel used in high-temperature applications. It contains 1-1.50% chromium, 0.44-0.65% molybdenum, and 0.30-0.60% manganese, with small amounts of silicon, carbon, phosphorus, and sulfur.

SA 213 T11, also known as ASTM A213 T11, has several equivalent designations depending on the standard used. Some common matches include EN 10216-2 Grade T11, ASTM A335 Grade P11, and GOST 550-75 T11.

T11 material grade is a low-alloy ferritic steel containing carbon, silicon, manganese, nickel, phosphorus, chromium, sulfur, and molybdenum. The composition, with around 0.5% carbon and 1% chromium, provides T11 with good strength and corrosion resistance, making it suitable for high-temperature applications.

ASTM A213 T11 Tube is a boiler-type stainless steel tube, composed of a range of material specifications, these tubes are used as heat exchangers, super heaters and in boilers. The properties of the pipes permit use for the high temperature services.

SA 213 T11 Tube has a hot-finished and cold-drawn and is required to be killed. The SA 213 T11 Tube material is in P4, with a maximum hardness of 85 HRB.

ASTM A213 tubing sizes and thickness usually furnished to this specification are 1/8 inch[3.2 mm] in inside diameter to 5 inch[127 mm] in outside diameter and 0.015 to 0.500 inch[0.4 to 12.7 mm] inclusive, in minimum wall thickness or if specified in the order of average wall thickness.