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ASME SA213-T91 9Cr-1Mo-V High Temperature Boiler Header Tube 48.3x10.0mm for Supercritical Steam Service
ASME SA213-T91 9Cr-1Mo-V High Temperature Boiler Header Tube 48.3x10.0mm for Supercritical Steam Service
Specifications
Brand Name :
WNRLN
Model Number :
SA213-T91-HHT
Place of Origin :
Jiangsu, China
Certification :
ISO 9001:2015, ASME, PED, TUV
MOQ :
2 Metric Tons
Price :
USD 2500-4200 / Metric Ton
Payment Terms :
T/T, L/C at sight
Supply Ability :
600 Metric Tons per Month
Delivery Time :
30-45 working days after order confirmation
Packaging Details :
End caps, VCI wrap, steel banded, fumigated export-grade plywood crates
Material Grade :
SA213-T91 (9Cr-1Mo-V-Nb Enhanced Alloy)
Outer Diameter :
48.3mm
Wall Thickness :
10.0mm
Length :
Fixed Length 6-12m
Heat Treatment :
Normalized + Tempered
Application :
Supercritical Boiler Header, Main Steam Line
Manufacturing Process :
Hot Finished Seamless
Testing :
UT, PMI, Hardness, Hydrostatic, Creep
Description

ASME SA213-T91 9Cr-1Mo-V High Temperature Boiler Header Tube

The SA213-T91 boiler tube is an advanced 9Cr-1Mo-V-Nb martensitic alloy steel seamless tube specifically developed for supercritical and ultra-supercritical boiler headers and main steam piping. With vanadium and niobium micro-alloying, T91 delivers dramatically improved creep strength at 600°C+ compared to traditional T22 grade.

Key Features

  • 9Cr-1Mo-V-Nb Alloy Design: Martensitic microstructure with finely dispersed MX carbonitrides for exceptional creep rupture life
  • Supercritical Rated: Qualified for continuous service at 600-620°C with 100,000-hour creep strength of ~94 MPa at 600°C
  • Reduced Thermal Expansion: Lower coefficient of thermal expansion compared to austenitic stainless grades reduces thermal fatigue stress
  • Weldable with PWHT: Established welding procedures with matching T91 filler metals and post-weld heat treatment protocols
  • Thinner Wall Design: Higher allowable stress at temperature permits reduced wall thickness, saving material cost and weight

Technical Specifications

StandardASME SA-213/SA-213M Grade T91
ChemistryC: 0.07-0.14, Mn: 0.30-0.60, Cr: 8.00-9.50, Mo: 0.85-1.05, V: 0.18-0.25, Nb: 0.06-0.10
OD Range31.8mm - 76.2mm
WT Range4.0mm - 12.0mm
Tensile Strength≥ 585 MPa
Yield Strength≥ 415 MPa
Hardness≤ 250 HBW

Applications

Supercritical and ultra-supercritical boiler final superheater headers, main steam piping (hot and cold), high-temperature reheater inlet/outlet headers, and high-energy piping in modern coal-fired power plants operating at 250+ bar and 600°C+ steam conditions.

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ASME SA213-T91 9Cr-1Mo-V High Temperature Boiler Header Tube 48.3x10.0mm for Supercritical Steam Service

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Product Detail
Brand Name :
WNRLN
Model Number :
SA213-T91-HHT
Place of Origin :
Jiangsu, China
Certification :
ISO 9001:2015, ASME, PED, TUV
MOQ :
2 Metric Tons
Price :
USD 2500-4200 / Metric Ton
Contact Supplier
ASME SA213-T91 9Cr-1Mo-V High Temperature Boiler Header Tube 48.3x10.0mm for Supercritical Steam Service

ZHANGJIAGANG HUA DONG ENERGY TECHNOLOGY CO.,LTD

Verified Supplier
7 Years
jiangsu
Since 1985
Business Type :
Manufacturer, Exporter
Main Products :
Boiler Steel Tube, Seamless Boiler Tubes, Boiler Fin Tube
Total Annual :
100000000-110000000
Employee Number :
600~700
Certification Level :
Verified Supplier
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