SA 213 t12 tube

SA 213 t12 tube

A combination of carbon and iron called ASME SA213 T12 Pipe has additional metal alloys introduced to it to enhance certain material qualities including strength, high-temperature tolerance, and oxidizing or corrosion tolerance.
Within the boiler, ASTM A213 Grade T12 Boiler Tube is fitted to heat the water and produce steam. SA 213 T12 Tube is utilized in the installation of boilers as it is widely accessible and affordable. They are easy to mould & weld into the necessary design inside reasonable bounds, and oxidizing & rust tolerant sufficient to offer a long-lasting function.
The two primary types of enclosed pressure vessel ASTM A213 T12 Tube are the water tube boiler and the fire tube boiler.

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SA 213 T12 tube specification

SA 213 T12 Tube Specification

SA 213 T12 tube size range T12 tube length T12 boiler tube equivalent & other trade name
  • Nominal pipe size : 1/8” to 5” NPS
  • Wall thickness : 0.500″

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  • 6 meters
  • 12 meters
  • Single random lengths (4 – 8 meters)
  • Double random lengths (8 – 13 meters)
  • Custom length or cut to length to save wastage
  • DIN 1.7335
  • UNS K11562
  • Heater Tube – ASTM A213 Gr T12
  • Trade Name: 2 1/4 Chrome
  • Standard – EN 10216-2
  • Equivalent Standards – ASTM A213, DIN 17175, ASME SA213, ASTM A335, BS 3059
  • Equivalent Materials -T12, K11562, 13CrMo44, 1.7335, P12
  • Materials – 13CrMo4-5, 1.7335
  • Seamless pipe: ASTM A335 P12
ASTM A213 T12 material A213 T12 hot formed tubes tempering temperature SA213 T12 tube condition of delivery
  • Alloy steel
  • Chrome moly alloy
  • ASTM A213 T12 Seamless Tube
  • 650-730°C
  • 1200-1350°F
  • GBK – Annealed
  • BK- Hard/ Cold-finished
  • NBK – Normalized
  • BKW – Soft/ Cold-finished
Manufacturing method of Alloy Steel SA 213 T12 seamless tube SA 213 Gr T12 tube required quality test T12 Steel tube applications & uses
  • Hot finished seamless SA 213 T23 tube
  • Cold drawn seamless A213 T23 tube

Above SA 213 T23 tube supplers have ZERO rejection rate in UAE, Saudi Arabia, Egypt, Oman, Cyprus & other middle east countries

  • Bend test
  • Hardness test
  • Flattening test
  • Nondestructive electric test
  • Hydrostatic test
  • Tensile mechanical test

All above SA 213 T23 tube suppliers are verified, they offer third party inspection, MTC EN 10204 3.1 and IBR certificate with delivery in UAE & Middle east countries

  • Aircraft industry
  • Boiling water tube
  • Superheated pipelines
  • Electric power plants
  • Heat exchangers
  • Boilers for super heaters
  • Power generation
  • Fossil fuel plants
  • High pressure steam pipeline
European standard of IBR approved SA213T12 seamless ferritic alloy tubes UNS K11562 A213 T12 tube approved ex-stock Heat treatment methods of EN 10216-2 13CrMo4-5 tube
  • EN 10216-2 (UNS K41650 T23 seamless tube)
  • EN 10217-2 (Ferritic Low Alloy Steel SA 213 T23 ERW tube)
Above listed SA 213 T23 tube suppliers offer ex-stock in in middle east with the following approvals

  • PDO
  • Saudi Aramco
  • Pemex
  • Qatar Gas
  • Petrobras
  • KOC
  • Petronas
  • Spray rust removal
  • Tempering
  • Cleaning
  • Quenching
  • Acid cleaning
  • Annealing

Here you can compare prices for alloy steel ASTM a213 t12 seamless tube from reliable Middle East importers and stockists. see a213 t12 tubing standards

ASTM A213 Gr T12 IBR tube manufacturers & brand list

IBR Certified ASME SA213 T12 seamless tubing manufacturers Origin / Country

IBR Approved SA 213 T12 high pressure tube important elements comparison

Elements SA 213 T12 SA 213 T11 SA 213 T22 SA 213 T91
Chromium / chrome (Cr) 0.80-1.25 1.00-1.50 1.90-2.60 8.0-9.5
Manganese (Mn) 0.30-0.61 0.30-0.60 0.30-0.60 0.30-0.60
Phosphorus (p) 0.025 0.025 0.025 0.02
Silicon (Si) 0.5 0.50-1.00 0.5 0.20-0.50
Molybdenum/ Moly (Mo) 0.44-0.65 0.44-0.65 0.87-1.13 0.80-1.05
Carbon (C) 0.05-0.15 0.05-0.15 0.05-0.15 0.07-0.14
Sulfur (S) 0.025 0.025 0.025 0.01
Yield strength
  • 32 KSI
  • 220 MPa
≥205 MPa ≥220 MPa
  • 60 KSI
  • 415 MPa
Tensile strength
  • 60 KSI
  • 415 MPa
≥415 MPa ≥415 MPa
  • 85 KSI
  • 585 MPa
Temperature range 650-730°C 650°C 675°C 590°C

Mill tolerance for ASTM A213 T12 tubes wall thickness

A213 T12 heater tube NPS or DN SA 213 T12 chrome moly tube Tolerance
(% from Specified)
Over Under
  • 1/8 NPS to 2 1/2 NPS [6 to 65] inclusive
  • all t/D ratios
20.0% 12.5%
  • Above 2 1/2 NPS [65]
  • t/D < or = 5%
22.5% 12.5%
  • Above 2 1/2 NPS [65]
  • t/D > 5%
15.0% 12.5%

  • t means : Specified 1.7335 furnace tubes wall thickness
  • D means : Specified ASME SA213 T12 outside diameter

Allowable or permissible variation of DIN 1.7335 boiler tube outer diameter

SA213 T12 NPS or DN Over Under
inch mm inch mm
  • 1/8 NPS to 1 1/2 NPS [6 to 40], including
1/64 (0.015) 0.40 1/64 (0.015) 0.40
  • Over 1 1/2 NPS to 4 NPS [40 to 100], including
1/32 (0.031) 0.79 1/32 (0.031) 0.79
  • Over 4 NPS to 8 NPS [100 to 200], including
1/16 (0.062) 1.59 1/32 (0.031) 0.79
  • Over 8 NPS to 12 NPS [200 to 300], including
3/32 (0.093) 2.38 1/32 (0.031) 0.79
  • Over 12 NPS [300]
+/- 1% of the specified T12 outside diameter

EN 10216-2 13CrMo4-5 boiler fin tube marking

Marking heading
Grade/ material
Manufacturer’s Heat Number
Test name
  • S1 – A213 T12 Analysis
  • S2 – SA213T12 Transverse Tension Test
  • S3 – Flattening Test of SA 213 Gr T12
  • S4 – Etching Tests & Metal Structure
  • S5 – Photomicrographs
  • S6 – T12 Steel Photomicrographs for Individual Pieces
  • S7 – Alternative Heat Treatment – only for ASTM A213 T91 (type 1 and 2)
Indicate T12 tube material test method
  • NDE – if Hydrostatic No, Nondestructive Yes
  • NH – if Hydrostatic No, Nondestructive No
  • Test Pressure – if Hydrostatic yes, Nondestructive No
  • Test Pressure/NDE – if Hydrostatic yes, Nondestructive yes

SA213 T12 material heat treatment requirements

Grade UNS number Heat Treat Type Subcritical Annealing or Tempering,
min or range ºF [ºC]
Austenitizing/ Solutioning,
min or range ºF [ºC]
T12 K11562 Full or isothermal anneal
Normalize and temper
Subcritical anneal 1200 to 1350[650 to 730]

SA 213 t12 tube equivalent

Standards Country SA 213 T12 Tube
UNS North America K11562
WNR Russia 1.7335
ASTM America A213
ASME Australia SA 213
JIS Japan
BS United Kingdom
GOST Russia
AFNOR France
EN Europe 13CrMo44
DIN German 1.7335

T12 steel tube chemical composition

Grade Chemical Composition(%)
C Mn P S Si Cr Mo
A213 T12 0.05-0.15 0.30-0.60 ≤0.025 ≤0.025 ≤0.50 0.80-1.25 0.45-0.65

Mechanical properties of T12 boiler tube

Grade UNS
min, ksi
min, ksi
in 2 in. or
50 mm,
min, %
Brinell/Vickers Rockwell
T12 K11562 32 [220] 60 [415] 30 163 HBW/
170 HV
85 HRB

SA 213 T12 Tube Properties

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This SA213 Grade T12 Seamless Alloy Tube can sometimes be heat treated using normalizing and tempering, complete or isothermal processing, or both. For traditional welding techniques, preheating is not necessary. However, for oxy-acetylene as well as submerged arc welding, all substances must be preheated & thermal treated after the welding. In order to maintain the flexibility of the A213 T12 Tubing, the heating temps shouldn’t go above 650 ° C. The substance’s strong impact durability and corrosion resistance come from the molybdenum component. The ASTM A213 T12 steel Tube has a greater tolerance for temperature and rust because of its chemical makeup.

The ASTM A213 Grade T12 Alloy Steel Seamless Tube has a tensile strength of 415 MPa whereas the grade t23 has a tensile strength of 510 MPa. The ASTM A213 Grade T12 Tube has a yield strength of 220 MPa while grade T23 has a yield strength of 400 MPa. The elongation percentage of grade T12 tubes is 30 %, but for grade T23 tubes the elongation percentage is 20 %. The rockwell hardness for both grades is different. The max hardness for grade T12 is 85 HRB (Brinell 163 HBW) but for max hardness for the grade, T23 is 97 HRB (Brinell 220 HBW).

There are numerous more grades of pipes that meet Asme Sa213 T12 Tube specifications. Due to the scale’s weaker heat capacity than the pipe material, its presence in this kind of alloy reduces the pace at which heat is transmitted from exhaust gases to steaming in the flow tube. High-Pressure ASTM A213 Grade T12 Boiler Tube and Extended Length ASTM A213 T12 Alloy Steel Seamless Tube are both accessible in the hot rolled form up to 22.5m. These tubes can be offered with close dimension & wall width tolerances as well as texture specifications. Cold-drawn pipe is offered at tight tolerances, up to 25m, in both conventional and non-standard sizes, or with regulated interior dimensions.

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Heating systems, compressors, and heat exchangers use ASTM A213 T12 Alloy Steel Tube, which is a boiler-grade pipe utilized in the petroleum and natural gas, electrical generation, and heating industries.
When it comes to steam superheaters, reheaters, as well as other heat transfer pipes, headers, and main steam pipelines with operating heat, not beyond 550 °C, including such 300MW and 600MW, ASTM A213 T12 tubing is comparable to 15CrMoG metal pipes in gb5310.
Numerous applications in the fields of energy, oil and gas, environmental protection, pharmaceuticals, and flue gas can benefit from the use of austenitic stainless steel welded T12 tubes.

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The pipe must adhere to API, ASTM, and ASME standards. They have enough room to store these pipes in a safe environment. The store owner must have a fundamental understanding of the pipe they sell. Identify the legitimacy of your manufacturer or supplier.
For the SA213 grade T12 alloy steel pipe, the packaging is crucial. They should use a variety of packing techniques based on the requirements of the client and the product’s specific characteristics. The form of the packaging used is based on the requirements of the client as stated in the purchase order.