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ASME SA213 Grade T22 Alloy Steel Seamless Tube Boiler Tube Heat Exchanger Tube

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ASME SA213 Grade T22 Alloy Steel Seamless Tube Boiler Tube Heat Exchanger Tube

Brand Name : YUHONG

Model Number : ASME SA213 T22 Alloy Steel Seamless Tube

Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008

Place of Origin : CHINA

MOQ : 3000KGS

Payment Terms : L/C, T/T

Delivery Time : 7days

Packaging Details : Ply-wooden Case /Iron Case/ Bundle with plastic Cap

Standard : ASTM A213, ASME SA213

Material : T5, T9, T11, T12, T22, T23, T91

OD : 1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc.

WT : BWG10,12,14,16,18,20,22,25, or custom

Length : Single Random, Double Random & Cut Length

End : Plain End, Beveled End

Type : Seamless

NDT : Eddy Current Test, Hydrostatic Test , Ultrasonic Test

Form : Straight, U bend tube

High Light : ASME SA213 T22 Alloy Steel Seamless Tube, Heat Exchanger and Boiler Tube

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ASTM A213 / ASME SA213 T22 Alloy Steel Seamless tube for Boiler and Heat exchanger

The T22 alloy typically contains about 2.25% chromium and 1.0% molybdenum, along with small amounts of carbon, silicon, and manganese. This composition enhances its strength and resistance to heat. Grade T22 alloy steel has good properties: 1. high-Temperature Strength: can withstand temperatures up to 600°C (1112°F) without losing structural integrity. 2. creep Resistance: Excellent resistance to creep (deformation under constant load over time) at elevated temperatures. 3. weldability: Good weldability, allowing for various fabrication techniques. 4. ductility: Maintains ductility and toughness, making it less prone to brittleness even at high temperatures.

Carbon Chromiun Low Temperature Stainless Steel Duplex Copper& Bronze Titanium Ni-Alloy
SA178-A SA213-T1 SA333-Gr.1 SA213 TP316L A789-S31803 SB111-C70600 SB338-GR.1 SB163 NO2200
SA178-C SA213-T11 SA333-Gr.3 SA249 TP316H A789-S32205 SB111-C71500 SB338-GR.2 SB167 NO2201
SA179 SA213-T12 SA333-Gr.6 SA268 TP316Ti A789-S32750 SB111-C71640 SB338-GR.5 SB444 NO8020
SA192 SA213-T22 SA333-Gr.7 SA269 TP316LN A789-S32760 SB111-C68700 SB338-GR.7 SB514 NO6022
SA209-T1 SA213-T5 SA333-Gr.8 SA376 TP321 A789-S32707 SB111-C44300 SB338-GR.9 SB619 N10276
SA209-T1a SA213-T9 SA334-Gr.1 TP304 TP321H A789-S32304 　 SB338-GR.12 SB622 NO4400
SA209-T1b SA213-T91 SA334-Gr.3 TP304L TP347 A789-S31500 　 　 SB626 NO6600
SA210-A1 　 SA334-Gr.6 TP304H TP347H S31254 　 　 SB674 NO6601
SA210-C 　 SA334-Gr.7 TP304N TP405 254MA 　 　 SB677 NO6625
SA214 　 SA334-Gr.8 TP310H TP409 17-4PH 　 　 SB704 NO690
SA513 MT 1010 　 　 TP310S TP410 17-7PH 　 　 SB705 NO8800
SA513 MT 1015 　 　 TP309S TP430 15-7PH 　 　 N1001 NO8810
SA513 MT 1020 　 　 TP317 TP439 　 　 　 N10665 NO8811
　 　 　 TP317L TP444 　 　 　 N10675 NO8825
　 　 　 TP348 TP446 　 　 　 TP904L 　
　 　 　 TP347HFG 　 　 　 　 　 　

ASTM A213/ASME SA213 T2, T11, T12, T22, T91, T92 Chemical Composition and Mechanical Properties

Grade Chemical Composition%
C Si Mn P, S Max Cr Mo Ni Max V Al Max
T2 0.10~0.20 0.10~0.30 0.30~0.61 0.025 0.50~0.81 0.44~0.65 – – –
T11 0.05~0.15 0.50~1.00 0.30~0.60 0.025 1.00~1.50 0.44~0.65 – – –
T12 0.05~0.15 Max 0.5 0.30~0.61 0.025 0.80~1.25 0.44~0.65 – – –
T22 0.05~0.15 Max 0.5 0.30~0.60 0.025 1.90~2.60 0.87~1.13 – – –
T91 0.07~0.14 0.20~0.50 0.30~0.60 0.02 8.0~9.5 0.85~1.05 0.4 0.18~0.25 0.015
T92 0.07~0.13 Max 0.5 0.30~0.60 0.02 8.5~9.5 0.30~0.60 0.4 0.15~0.25 0.015
Grade Chemical Composition% Mechanical Properties
W B Nb N T. S Y. P Elongation Hardness
T2 – – – – ≥ 415MPa ≥ 205MPa ≥ 30% 163HBW(85HRB)
T11 – – – – ≥ 415MPa ≥ 205MPa ≥ 30% 163HBW(85HRB)
T12 – – – – ≥ 415MPa ≥ 220MPa ≥ 30% 163HBW(85HRB)
T22 – – – – ≥ 415MPa ≥ 205MPa ≥ 30% 163HBW(85HRB)
T91 – – 0.06~0.10 0.03~0.07 ≥ 585MPa ≥ 415MPa ≥ 20% 250HBW(25HRB)
T92 1.50~2.00 0.001~0.006 0.04~0.09 0.03~0.07 ≥ 620MPa ≥ 440MPa ≥ 20% 250HBW(25HRB)

ASTM A213/ASME SA213 T2, T11, T12, T22, T91, T92 Tolerance

Outside Diameter OD Tolerance WT Tolerance Ovality Tolerance Cut Length Tolerance
OD≤ 12, 7 mm ± 0, 13 mm ± 15 % – + 3, 18 mm, – 0 mm
12, 7 mm < OD ≤ 38, 1 mm ± 0, 13 mm ± 10 % max, 1, 65 mm + 3, 18 mm, – 0 mm
38, 1 mm < OD ≤ 88, 9 mm ± 0, 25 mm ± 10 % max, 2, 41 mm + 4, 76 mm, – 0 mm

Advantages of Alloy Steel T22

  1. High-Temperature Strength

    • T22 can withstand higher temperatures than standard carbon steels, making it ideal for power generation and other high-heat applications.

  2. Enhanced Durability

    • It offers better resistance to thermal fatigue and creep, which is critical in environments that experience rapid temperature changes.

  3. Seamless Construction

    • Being a seamless tube means fewer weak points compared to welded options, leading to improved integrity and reliability under pressure.

  4. Good Weldability

    • T22 can be welded with compatible welding techniques, allowing for versatile fabrication options in different engineering projects.

  5. Cost-Effectiveness

    • While it may have a higher initial cost than carbon steel, its longevity and performance can result in lower overall lifecycle costs.

  6. Resistance to Oxidation

    • It has better oxidation resistance than some lower-grade steels, making it suitable for high-temperature, corrosive environments.

  7. Versatility

    • T22 is used in various industries, including power generation, oil and gas, making it a multifaceted material suitable for diverse applications.

Application

  • Petrochemical Industry
  • Chemical Industry
  • Nuclear Power Plant Industry
  • Oil and Gas Industry
  • Boiler
  • Superheater, Heat Exchanger
  • Projects & Defense & Development Industries
  • Pulp & Paper Indusry

ASME SA213 Grade T22 Alloy Steel Seamless Tube Boiler Tube Heat Exchanger Tube


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