ASTM A213 T9 Tubes Manufacturer and Supplier

ASTM A213 T9 is a 9Cr-1Mo ferritic alloy steel grade, also known as 9 Chrome 1 Moly tubing. At high temperatures, 8.00 to 10.00% chromium provides significant oxidation resistance, while 0.90 to 1.10% molybdenum improves creep strength under thermal stresses. These seamless alloy steel tubes carry a minimum tensile strength of 415 MPa (60 ksi), yield strength of 205 MPa (30 ksi), and elongation of 30%. Maximum hardness is 89 HRB (179 HBW).

Sachiya Steel International manufactures and supplies high-quality ASTM A213 T9 alloy steel seamless tubes from Mumbai. We export, stock, and distribute SA213 T9 tubes for boilers, superheaters, and heat-exchangers. Our team supports the power generation, petrochemical, and refinery sectors with precision-engineered steel. We supply A213 T9 tubes in outside diameters from 6.35 mm to 127 mm and wall thicknesses from 0.4 mm to 12.7 mm, with lengths up to 12 m in single random, double random, or custom-cut options.

All of our T9 alloy steel tubes are in accordance with the general requirements of ASTM A1016 and ASME SA-1016, as well as the ASTM A213 and ASME SA213 standards. An additional reference is provided for overseas purchasers in the form of the ASME SA213M metric edition. Sachiya Steel holds ISO 9001, 14001, and 45001 certifications. These global standards demonstrate our professional commitment to quality, environmental safety, and excellence.

This page covers:

Specifications
Pricing
Chemical Composition
Mechanical Properties
Equivalent Grades
Industrial Applications
Grade Comparisons
Frequently Asked Questions

ASTM A213 / ASME SA213 T9 Tube Specifications

ASTM A213 T9 tubes are seamless ferritic alloy steel tubes manufactured for boiler, superheater, and heat-exchanger service. The table below lists the key specification details.

Parameter	Detail
Standard	ASTM A213 / ASME SA213
Type	Seamless
Outside Diameter	6.35 mm to 127 mm
Wall Thickness	0.4 mm to 12.7 mm
Length	Up to 12 m (single random, double random, custom cut)
Schedule	STD, SCH40, SCH80 and others on request
Shape	Round (primarily)
Ends	Plain end, bevelled end
Surface	Black, varnished (rust prevention)

Available Sizes of ASTM A213 T9 Tubes

For the dimensional standards and available size ranges of ASTM A213 T9 Seamless Alloy Steel Tubes, please check out the table below.

Parameter	Specification / Range
Outside Diameter (OD)	6.35 mm to 127 mm (1/4" to 5")
Wall Thickness (WT)	0.4 mm to 12.7 mm (0.015" to 0.500")
Schedules	STD, SCH 40, SCH 80 (Custom schedules on request)
Standard Lengths	6 Meters (20 ft)
Custom Lengths	Cut-to-length up to 18 Meters

ASTM A213 T9 Tube Price

ASTM A213 T9 seamless steel tubes cost approximately ₹150-₹300 per kg in India and US $2.58-$3.38 per kg abroad (approx. ₹215-₹280). Outside diameter, wall thickness, length, quantity, and steel market conditions affect ASTM A213 T9 tube costs. Surface polish, heat treatment, and certification vary price by size, thickness, and supplier. We offer competitive rates with mill test certifications (EN 10204/3.1). Send your specifications to our sales team for the most accurate quote and fastest delivery.

Chemical Composition of ASTM A213 T9 Tubes

Below are the composition limits per ASTM A213 / ASME SA213.

ASTM A213 Grade T9 is a 9% chromium, 1% molybdenum ferritic alloy steel. The high chromium content provides oxidation resistance at elevated temperatures, while molybdenum strengthens the grain boundaries against creep deformation.

Carbon C

0.15 max

Manganese Mn

0.30 - 0.60

Phosphorus P

0.025 max

Sulphur S

0.025 max

Silicon Si

0.25 - 1.00

Chromium Cr

8.00 - 10.00

Molybdenum Mo

0.90 - 1.10

Mechanical Properties of ASTM A213 T9 Tubes

ASTM A213 T9 tubes have a minimum tensile strength of 415 MPa (60 ksi), yield strength of 205 MPa (30 ksi), and elongation of 30%.

T9 tubes are normalised and tempered at a minimum temperature of 675 oC (1250 oF) to develop the required mechanical properties and microstructure.

415 (60)

MPa (ksi)

Tensile Strength (min)

205 (30)

MPa (ksi)

Yield Strength (min)

Elongation (min)

89 HRB / 179 HBW

Hardness (max)

Property	Value	Unit
Tensile Strength (min)	415 (60)	MPa (ksi)
Yield Strength (min)	205 (30)	MPa (ksi)
Elongation (min)	30	%
Hardness (max)	89 HRB / 179 HBW	-

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Equivalent Standards for ASTM A213 T9 Tubes

The table given below lists the international equivalent designations of ASTM A213 T9 Seamless Tube.

ASTM A213 T9 is equivalent to ASME SA213 T9 for pressure vessel applications. International equivalents allow buyers to cross-reference their local standards for procurement and code compliance.

Designation	Standard
UNS	K90941
X12CrMo9-1 (1.7386)	EN 10216-2
12CrMo9-10	DIN 17175
STBA 26	JIS G3462

ASTM A213 T9 Tube Industrial Applications

ASTM A213 T9 seamless tubes are crucial for power plant boilers, superheaters, heat exchangers, petrochemical reformers, refinery pipes, and high-temperature chemical processing apparatus.

Power Generation

T9 alloy steel tubes are used in high-heat boilers to create steam. The chromium prevents rust, ensuring power plants run reliably for years.

Petrochemical and Refinery

Handles hot crude oil and chemicals. It stays strong against corrosion when making gasoline, even at extreme temperatures.

Chemical Processing

These tubes enable reactors and cooling systems to handle heavy loads. Your facility needs reliability, and they resist bending or breaking during continual, high-heat chemical synthesis.

ASTM A213 T9 vs T11, T22, and T91 Tubes

Refer to the following comparison table to understand the performance hierarchy and technical trade-offs between ASTM A213 T9 and its neighbouring alloy steel grades.

Feature	Grade T9	Grade T11	Grade T22	Grade T91
Nominal Comp.	9Cr-1Mo	1.25Cr-0.5Mo	2.25Cr-1Mo	9Cr-1Mo-V-Nb
Chromium (Cr)	8.00% – 10.00%	1.00% – 1.50%	1.90% – 2.60%	8.00% – 9.50%
Temp. Limit	Approx. 595°C	Approx. 540°C	Approx. 580°C	Approx. 620°C
Oxidation Resistance	High	Low	Moderate	Superior
Creep Strength	Standard	Low	Moderate	Very High
Best Application	High-sulfur units	Low-temp boilers	Main steam lines	Supercritical units

T9 (9Cr-1Mo) is better at resisting oxidation than T11 and T22 when used at temperatures up to 595°C. This is a noticeable advantage when sulphidation is the main issue. T91 has better creep strength at even greater temperatures and pressures since it has vanadium and niobium in it.

Shipping & Packaging

Heavy-duty wooden boxes Packing

Export Packaging Standard

We strictly follow seaworthy export handling standards to protect ASTM A213 T9 Alloy Steel Seamless Tubes from transit damage, moisture ingress, and surface contamination during long-distance dispatch.

Heavy-duty wooden boxes with moisture barrier lining
HDPE stretch film wrapping on all bundles
Plastic end caps on threaded and plain-end pipes
Silica gel desiccants to minimize moisture exposure
ISPM-15 fumigated wooden packaging for export

Tube Bundle Yard Staging

Container End-Cap Protection

Wrapped Export-Ready Bundles

We Export Worldwide

Sachiya Steel International supplies Alloy steel products to major industrial markets across North America, Europe, the Middle East, Asia and Africa with export-ready documentation and logistics support.

USA
Canada

Frequently Asked Questions:

What is ASTM A213 T9 Tube material? +

ASTM A213 T9 is a seamless ferritic alloy steel tube with 9% chromium and 1% molybdenum (9Cr-1Mo). It is designed for high-temperature boiler, superheater, and heat-exchanger service per ASTM A213 / ASME SA213.

What is the chemical composition of ASTM A213 T9? +

T9 contains C 0.15% max, Mn 0.30 to 0.60%, Si 0.25 to 1.00%, Cr 8.00 to 10.00%, and Mo 0.90 to 1.10%. Phosphorus and sulphur are each limited to 0.025% max.

What is the difference between T9 and P9 Tubes? +

Both T9 (ASTM A213) and P9 (ASTM A335) are 9Cr-1Mo alloys with UNS K90941. T9 covers seamless boiler, superheater, and heat-exchanger tubes. P9 covers seamless ferritic alloy-steel pipes for high-temperature service. The alloy is identical; the product form and specification differ.

What sizes are available for ASTM A213 T9 Tubes? +

Our standard OD range is 6.35 mm to 127 mm with wall thickness from 0.4 mm to 12.7 mm. Fixed lengths or cut-to-length as specified; U-bend tubes available on request.

What heat treatment is required for ASTM A213 T9 Tubes? +

T9 tubes require normalising and tempering at a minimum of 675 oC (1250 oF). Post-weld heat treatment (PWHT) is also recommended for field welds to relieve residual stresses and prevent cracking in the Cr-Mo weld zone.