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Alloy Steel T91 Tubes

Alloy Steel UNS K90901 Tubes, Chrome Moly ASME SA213 T91 Seamless Tubes Supplier in India.

High-performance steel alloy Alloy Steel T91, sometimes referred to as ASTM A335 P91, is made especially for uses requiring a high degree of strength, toughness, and temperature tolerance. T91 tubes are widely employed in the power generating sector, especially in steam boilers and superheaters, and are vital parts of numerous important systems. T91 is an advanced alloy steel that has trace quantities of vanadium, molybdenum (1%), and chromium (9%). Superior mechanical qualities and increased resistance to thermal creep, oxidation, and corrosion are conferred by this combination of components on the steel. The steel's superior resistance to high temperatures and preservation of structural integrity under stress is attributed to its high chromium concentration.
T91 tubes are primarily used in the building of systems with high temperatures and pressures, including power plant boilers, where they improve efficiency and safety. The alloy is perfect for usage in situations where traditional carbon steels would fail because of its high tensile strength and resilience to thermal fatigue. It is also used in petrochemical facilities and other sectors of the economy where resistance to high temperatures is essential.

ASTM A213 Alloy Steel T91 Tubes

Competitive Price of Alloy Steel T91 Tubes, UNS K90901 Alloy Steel Superheater Tubes Exporter.

Because T91 alloy has specific qualities, it requires special processes to fabricate and weld. For it to keep its ductility and mechanical strength, proper heat treatment is necessary. Preheating and post-weld heat treatment are frequently used in the welding process to guarantee the integrity of the welded connections and prevent possible problems like cracking.

Alloy Steel T91 Tubes Specification

Tube Specification : ASTM A213 / ASME SA213

Size : 1/2" NB To 36" NB

Outside Diameter (OD) : 19.05mm – 114.3mm

Wall Thickness : 2.0mm – 14 mm

Schedule : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS

Type : Seamless / EFW / Cold Drawn / Annealed & Pickled / Hot Finished / Extruded / Structural

Form : Round Tubes

Length : Single Random, Double Random & Cut Length

End : Plain End, Beveled End, Threaded

End Protection : Plastic Caps

Finish : Annealed and Pickled, Polished, Bright Annealed, Cold Drawn

Origin : Indian Origin, European Origin, Japanese Origin

Testing and Documents : Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, Destructive Test Report, Non Destructive Test Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports

Packing : Packed in Wooden Boxes, Bubble wraps, Steel Strips Bundled, or as per Customers Requests


A Wide Range of ASTM A213 T91 Alloy Steel Tubes at Best Price.

Call : +91-9820814560 or Send Enquiry


ASTM A213 Alloy Steel T91 Tubes Available Type
Alloy Steel T91 Seamless Tubes

Alloy Steel T91 Seamless Tubes

Alloy Steel T91 High Pressure Steel Tubes

Alloy Steel T91 High Pressure Steel Tubes

Alloy Steel T91 Heat-Exchanger Tubes

Alloy Steel T91 Heat-Exchanger Tubes

Alloy Steel T91 Superheater Tubes

Alloy Steel T91 Superheater Tubes

Seamless Ferritic Alloy Steel T91 Tubes

Seamless Ferritic Alloy Steel T91 Tubes

Alloy Steel T91 Round Tubes

Alloy Steel T91 Round Tubes

ASTM A213 T91 Chrome Moly Tubes

ASTM A213 T91 Chrome Moly Tubes

Alloy Steel T91 Boiler Tubes

Alloy Steel T91 Boiler Tubes


ASME SA213 Alloy Steel T91 Seamless Tubes Equivalent Standards
GRADE UNS TRADE NAME
T91 K90901 T91

Chemical Composition of Grade T91 Alloy Steel Tubes
C, % Mn, % P, % S, % Si, % Cr, % Mo, % V, % N, % Ni, % Al, % Nb, %
0.08-0.12 0.3-0.6 0.02 max 0.01 max 0.2-0.5 8.0-9.5 0.85-1.05 0.18-0.25 0.03-0.07 0.4 max 0.04 max 0.06-0.10

Mechanical Properties of ASTM A213 Alloy Steel UNS K90901 Tubes
Tensile Strength, MPa Yield Strength, MPa Elongation, % Hardness, HB
585 min 415 min 20 min 250 max

Tolerance of ASTM A213 Alloy Steel Gr T91 Tubes
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


Other Types of Alloy Steel T91 Tubes

Alloy Steel T91 Tubes
Alloy Steel T91 Seamless Tube
Chrome Moly T91 Tubes
ASTM A213 CrMo T91 Tubing
T91 Alloy Steel Tubes
Alloy Steel ASTM A213 Gr T91 Tubes
Alloy Steel T91 Heat-Exchanger Tubes
Alloy Steel T91 Superheater Tubes Stockist
ASTM A213 T91 Chrome Moly Tubeing Supplier
ASME SA213 T91 Alloy Steel Round Tubes
High Pressure Alloy T91 Seamless Tube Exporter
K90901 Alloy Steel Tubing
Grade T91 Alloy Steel Tubes Specification

T91 Alloy Steel Seamless Tube
T91 Alloy Steel Seamless Tubing
ASTM A213 T91 Chrome Moly Tubes
ASTM A213 Grade T91 Seamless Tube Manufacturer
Alloy Steel T91 Tubes Distributor
Alloy Steel T91 Cold Drawn Seamless Tubing
Alloy Steel T91 Seamless Tubes Price
Seamless Ferritic Alloy Steel T91 Tube
Alloy Steel UNS K90901 Tubes
Alloy Steel T91 Chrome Moly Tubes
A213 T91 Seamless Tubing Dealer
Alloy Steel UNS K90901 Seamlees Tube
ASTM A213 T91 Boiler Tubing


Main Countries We Deliver ASTM A213 Alloy Steel T91 Tubes

We have regular exports of Alloy Steel T91 Tubes in Europe, Kuwait, Bangladesh, UAE, Hong Kong, Poland, Bahrain, Jordan, Nepal, United States, Algeria, Yemen, Spain, Qatar, Ghana, Malaysia, Philippines, United Kingdom, Chile, Azerbaijan, Lithuania, Saudi Arabia, Iran, Trinidad & Tobago,Tunisia, Turkey, Brazil, Iran, Poland, Japan, France, USA, Belgium, Thailand, Estonia, Brazil, Vietnam, China, Chile, Costa Rica, Iran, Japan, Malaysia, Congo, Germany, Egypt, Tibet, United Arab Emirates, South Africa, South Korea, Ireland, Finland, Italy, Taiwan, Sweden, Czech Republic, Iraq, Puerto Rico, Austria, Ukraine, Mexico, Pakistan, Portugal, Netherlands, Denmark, Sri Lanka, Gabon, Kazakhstan, Bulgaria, Angola, Bhutan, Romania, Indonesia, Ecuador, Canada, Nigeria, Singapore, Argentina, Israel, Venezuela, Nigeria, Afghanistan, Bolivia, Peru, Russia, Switzerland, Libya, Kenya, Macau, New Zealand, Lebanon, Belarus, Mongolia, Croatia, Gambia, Morocco, Slovakia, Australia, Colombia, Norway, Oman, Hungary, Mexico, India, Zimbabwe, Namibia, Serbia, Greece.

Cities We Deliver ASTM A213 T91 Alloy Steel Seamless Tubing

We are Leading Supplier of ASTM A213 T91 Alloy Steel Tubes in Mumbai, Maharashtra, Gujarat, Jamshedpur, Pune, Thiruvanthapuram, Jaipur, Lucknow, Coimbatore, Imphal, Mysore, Ratlam, Delhi, Kanpur, Darjeeling, Jalandhar, Nagpur, Solapur, Kolkata, Allahabad, Dehradun, Jammu, Nashik, Srinagar, Chennai, Ahmedabad, Faridabad, Bhadravati, Chattisgarh, Durgapur, Asansol, Hospet, Bellary, Visakhapatnam, Nellore, Surat, Bangalore, Chandigarh, Ghaziabad, Jhansi, Patna, Siliguri, Hyderabad, Amritsar, Noida, Kochi, Aizawl, Guwahati, Kozhikode, Raipur, Vishakhapatnam, Jabalpur, Bhopal, Gwalior, Ludhiana, Rajahmundry, Thane, Agra, Bhubaneshwar, Gurgaon, Madurai, Rajkot, Varanasi, Bhilai, Haridwar, Meerut, Ranchi, Ahmednagar, Akola, Amravati, Aurangabad, Baramati, Beed, Bhandara, Bhiwandi, Buldhana, Chandrapur, Chimur, Dahanu, Dhule, Dindori, Erandol, Gadchiroli, Hatkanangle, Hingoli, Ichalkaranji, Jalgaon, Jalna, Karad, Khed, Yavatmal, Kolaba, Kolhapur, Kopargaon, Latur, Malegaon, Mumbai, Nagpur, Nanded, Nandurbar, Nashik, Osmanabad, Pandharpur, Parbhani, Rajapur, Ramtek, Ratnagiri, Raver, Sangli, Satara, Shirdi, Shirur, Solapur, Thane, Wardha, Washim, Andhra Pradesh, Jammu and Kashmir, Nagaland, Uttarakhand, Haryana, Lakshadweep, Arunachal Pradesh, Jharkhand, Odisha, West Bengal, Himachal Pradesh, Assam, Karnataka, Punjab, Andaman and Nicobar Islands, Puducherry, Bihar, Kerala, Rajasthan, Chandigarh, Meghalaya, Chhattisgarh, Madhya Pradesh, Sikkim, Dadar and Nagar Haveli, Mizoram, Goa, Tamil Nadu, Daman and Diu, Tripura, Manipur, Telangana, Delhi, Uttar Pradesh in India.