ASTM A213/A213M ASME SA213 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel tube

ASTM A213/A213M Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel tube

Seamless Alloy Steel Tubes for Boilers, Superheaters & Heat Exchangers | Technical Specification PDF Download

The ASTM A213 / A213M Standard Specification PDF provides a comprehensive technical reference for seamless ferritic and austenitic alloy-steel tubes used in high-temperature and high-pressure service. This specification covers material grades, chemical composition, mechanical properties, manufacturing processes, dimensions and tolerances, testing requirements, and typical applications in boilers, superheaters, heat exchangers, and pressure equipment.

ASTM A213 / ASME SA213 Standard Overview:

ASTM A213 / A213M is the standard specification for seamless ferritic and austenitic alloy-steel tubes intended for use in boilers, superheaters, and heat exchangers where elevated temperature and pressure resistance are required.

The specification includes both ferritic alloy steel and austenitic stainless/alloy steel tube grades, making it one of the most widely referenced tube standards in power generation and process industries.

ASME SA213 is the ASME-adopted equivalent of ASTM A213 and is commonly specified for pressure parts manufactured in accordance with the ASME Boiler and Pressure Vessel Code (BPVC).

These standards are technically equivalent in chemical, mechanical, and performance requirements.

Scope of ASTM A213 / A213M

This standard applies to seamless alloy-steel tubes used for:

  • Boilers
  • Superheaters
  • Heat Exchangers
  • Pressure and High-Temperature Service

Tubes are supplied in accordance with grade-specific chemical, mechanical, and heat treatment requirements.

Common Grades Covered

ASTM A213 / A213M includes a wide range of alloy steel tube grades, such as:

Ferritic Alloy Steel Grades

  • T1
  • T5
  • T9
  • T11
  • T12
  • T22
  • T91
  • T92

Austenitic Alloy / Stainless Steel Grades

  • TP304 / TP304H
  • TP316 / TP316H
  • TP321 / TP321H
  • TP347 / TP347H
  • TP310 / TP310H
  • TP304, TP304L, TP304H, TP310, TP310S, TP316, TP316L, TP316Ti, TP317, TP317L, TP321, TP321H, TP347, TP347H

Material Description

  • Material Type: Ferritic & Austenitic Alloy Steel
  • Manufacturing Method: Seamless
  • Product Form: Steel Tubes
  • Delivery Condition: Heat treated according to grade requirements

ASTM A213 / A213M tubes are designed to provide excellent high-temperature strength, creep resistance, and corrosion resistance.

Chemical Composition

    Grade UNS C % Cr % Ni % Mo % Mn % Si % Other Alloying
    T1 K11522 0.10–0.20 0.30–0.60 — 0.50 0.30–0.60 0.10–0.30 —
    T5 K41545 ≤0.15 4.0–6.0 — 0.45–0.65 0.30–0.60 0.50 —
    T9 K90941 ≤0.15 8.0–10.0 — 0.90–1.10 0.30–0.60 0.25–1.00 —
    T11 K11597 0.05–0.15 1.0–1.5 — 0.44–0.65 0.30–0.60 0.50–1.00 —
    T12 K11562 0.05–0.15 0.8–1.25 — 0.44–0.65 0.30–0.61 0.50 —
    T22 K21590 0.05–0.15 1.9–2.6 — 0.87–1.13 0.30–0.60 0.50 —
    T91 K90901 0.07–0.14 8.0–9.5 — 0.85–1.05 0.30–0.60 0.20–0.50 V+Nb+N
    TP304 S30400 ≤0.08 18–20 8–11 — ≤2.0 ≤1.0 —
    TP304L S30403 ≤0.035 18–20 8–12 — ≤2.0 ≤1.0 —
    TP304H S30409 0.04–0.10 18–20 8–11 — ≤2.0 ≤1.0 —
    TP310 S31000 ≤0.08 24–26 19–22 — ≤2.0 ≤1.0 —
    TP310S S31008 ≤0.08 24–26 19–22 — ≤2.0 ≤1.0 —
    TP316 S31600 ≤0.08 16–18 10–14 2–3 ≤2.0 ≤1.0 —
    TP316L S31603 ≤0.035 16–18 10–14 2–3 ≤2.0 ≤1.0 —
    TP316Ti S31635 ≤0.08 16–18 10–14 2–3 ≤2.0 ≤0.75 Ti
    TP317 S31700 ≤0.08 18–20 11–15 3–4 ≤2.0 ≤1.0 —
    TP317L S31703 ≤0.035 18–20 11–15 3–4 ≤2.0 ≤1.0 —
    TP321 S32100 ≤0.08 17–19 9–12 — ≤2.0 ≤1.0 Ti
    TP321H S32109 0.04–0.10 17–19 9–12 — ≤2.0 ≤1.0 Ti
    TP347 S34700 ≤0.08 17–20 9–13 — ≤2.0 ≤1.0 Nb
    TP347H S34709 0.04–0.10 17–19 9–13 — ≤2.0 ≤1.0 Nb

    Mechanical Properties

    Grade Yield MPa Tensile MPa Elongation % Hardness
    T1 205 415 30 ≤170 HB
    T5 205 415 30 ≤190 HB
    T9 205 415 30 ≤190 HB
    T11 205 415 30 ≤170 HB
    T12 220 415 30 ≤170 HB
    T22 205 415 30 ≤190 HB
    T91 415 585 20 190–250 HB
    TP304 205 515 35 ≤200 HB
    TP304L 170 485 35 ≤200 HB
    TP304H 205 515 35 ≤200 HB
    TP310 205 515 35 ≤200 HB
    TP310S 205 515 35 ≤200 HB
    TP316 205 515 35 ≤200 HB
    TP316L 170 485 35 ≤200 HB
    TP316Ti 205 515 35 ≤200 HB
    TP317 205 515 34 ≤200 HB
    TP317L 205 515 35 ≤200 HB
    TP321 205 515 35 ≤200 HB
    TP321H 205 515 35 ≤200 HB
    TP347 205 515 35 ≤200 HB
    TP347H 205 515 35 ≤200 HB

     

    Heat Treatment

    Grade Heat Treatment Temperature °C Cooling Remark
    T1 Anneal / Normalize + Temper 650–730 Air —
    T5 Anneal / Normalize + Temper ≈675 Air —
    T9 Anneal / Normalize + Temper ≈675 Air —
    T11 Anneal / Normalize + Temper ≈650 Air —
    T12 Anneal / Normalize + Temper 650–730 Air —
    T22 Anneal / Normalize + Temper ≈675 Air —
    T91 Normalize + Temper 1040–1080 / 730–800 Air Mandatory
    TP304 Solution Anneal ≥1040 Water/Rapid —
    TP304L Solution Anneal ≥1040 Water/Rapid —
    TP304H Solution Anneal ≥1040 Water/Rapid —
    TP310 Solution Anneal ≥1040 Water/Rapid —
    TP310S Solution Anneal ≥1040 Water/Rapid —
    TP316 Solution Anneal ≥1040 Water/Rapid —
    TP316L Solution Anneal ≥1040 Water/Rapid —
    TP316Ti Solution + Stabilize ≥1040 + lower Water Optional
    TP317 Solution Anneal ≥1040 Water/Rapid —
    TP317L Solution Anneal ≥1040 Water/Rapid —
    TP321 Solution + Stabilize ≥1040 Water —
    TP321H Solution + Stabilize 1050–1090 Water High-temp
    TP347 Solution + Stabilize ≥1040 Water —
    TP347H Solution + Stabilize 1050–1100 Water High-temp

    Manufacturing Process

    ASTM A213 / A213M alloy steel tubes are manufactured by:

    • Seamless hot rolling or extrusion
    • Cold finishing (if required)
    • Heat treatment as specified by grade
    • Straightening and sizing
    • Final inspection and testing

    Dimensions & Tolerances

    ASTM A213 / A213M tubes are generally specified by Outside Diameter (OD) and Wall Thickness (WT).

    Dimensional controls typically include:

    • OD tolerance
    • Minimum wall thickness requirement
    • Ovality and straightness
    • Length options: random length or fixed cut length

    Dimensional tolerances are governed by the requirements of ASTM A213 / A213M and applicable general requirements standards.

    Testing & Inspection

    Each ASTM A213 / A213M tube may undergo:

    • Chemical analysis
    • Tensile testing
    • Flattening or flaring tests
    • Hardness testing (for certain grades)
    • Hydrostatic testing or non-destructive testing (UT / ET)
    • Dimensional and visual inspection

    Mill Test Certificates (EN 10204 3.1) are typically supplied.

    Applications

    • Power Plant Boilers
    • Superheaters & Reheaters
    • Heat Exchangers
    • Petrochemical Processing
    • Refining & Thermal Systems
    • Pressure Equipment

    ASTM A213 / A213M tubes are critical materials for high-temperature and high-pressure service.

    Download ASTM A213 / A213M Specification PDF

    Click below to download the complete ASTM A213 / A213M Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Tubes PDF, including full grade tables, dimensional references, and testing requirements.

    👉 Download ASTM A213 standard Specification PDF

    👉 Download ASME SA213 standard Specification PDF

    ASTM A213 / A213M Seamless tube

    ├── ASTM A213 T11 Seamless tube
    ├── ASTM A213 T22 Seamless Alloy Tubes
    ├── ASTM A213 T91  High Temperature Tubes
    ├── ASTM A213 T12 Stainless Steel Tubes
    ├── ASTM A213 TP347H Superheater Tubes

    ├── ASTM A213 T5  Seamless tube
    ├── ASTM A213 TP316L Stainless Steel Tubes
    ├── ASTM A213 TP321 Superheater Tubes