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The ASTM A335 P91 specification is renowned in various industries for its high strength properties. One of the notable characteristics of the ASTM A335 P91 Pipe is its ability to maintain strength properties over time. The P91 Seamless Pipe is composed of chromium and molybdenum, which gives it high creep resistance. Additionally, the P91 Seamless Pipe can withstand temperatures up to 600 degrees Celsius without losing its strength. The SA 335 gr P91 Seamless Pipe also has higher oxidation temperature limits, which means that even thinner SA335 P91 IBR Pipes can be engineered with ease. As one of India's leading P91 Pipe suppliers, our products are widely used in various industries globally. We are a renowned name in the list of A335 P91 Pipe suppliers and are known for providing high-quality products at a competitive price.
The ASTM A335 P91 steel material allows for pipes with a thinner wall thickness ratio of at least 2:1. This results in a lower hanger load and requires less filler metal for the ASTM A335 P91 Alloy Steel Pipe. Additionally, welding time for the UNS K91560 Chrome Pipe with thinner walls is reduced. We manufacture our pipes in compliance with all industrial and international standards. Our products, including the ASTM A335 gr P91 Round Pipe, are produced using state-of-the-art technology, ensuring dimensional accuracy. We also subject our SA335 gr P91 High-Temperature Seamless Pipe to various certification tests to guarantee its quality and safety.
The AS ASTM A335 gr P91 Seamless Pipe is a type of pipe made of a chrome-moly alloy that exhibits excellent strength and resistance to high temperatures. The Low Alloy ASTM A335 P91 Pipe Material is also known for its durability and long-lasting nature. The chrome present in the SA335P91 Boiler Steel Pipe enhances its temperature strength and oxidation resistance properties, while the molybdenum in the ASTM A335 grade P91 Steel Pipe improves properties such as elasticity, wear resistance, and creep strength at high temperatures. The non-deteriorating nature of ASTM A335 P91 Alloy Steel Smls Pipe is the primary reason for its popularity in various industries, as it can provide the same quality services for many years without any degradation.
Trade Name | 9 Cr 1 Mo steel |
Grade | ASTM A335 P91 Pipe (With IBR Certificate) |
UNS | K91560 |
SA335 gr P91 Forged/ Bored Pipe | A369/ SA369 P91 |
ASTM A335 P91 Type 2 | Higher creep strength and durability, Decreased thickness and Non-deteriorating |
ASTM A335 P91 Seamless Pipe (OD) | 21.3 – 660mm ( Inch 1/2” – 26”) |
SA335 gr P91 SAW | 16″ – 100″ NB |
Ferritic Alloy Steel ASTM A335P91 ERW and HFW | 1/2” NB – 24” NB |
ASTM A335 gr P91 LSAW / DSAW | 16’OD TO 54″ OD (8 MM TO 50 MM THK) |
Wall Thickness of ASTM A335 P91 Pipe | 4.5mm to 60mm |
SA 335 gr P91 Pipe end | POE -Plain One End, BSE -Bevel small end, BBE -Bevel both ends, BOE-Beveled One End, TBE -Treaded Both Ends, TOE -Treaded One End, PBE -Plain Both Ends, BLE -Bevel large end, BE -Beveled end |
ASTM A335 grade P91 Pipe Length | Single Random Length (SRL), DRL, 2000mm, 12000mm, SRL, 6000mm, 40FT, 20FT, Double Random Length (DRL), 3000mm, Custom Length |
P91 Pipe Wall Thickness | SCH-5, SCH-80S, SCH-XXS, SCH-5S, SCH-10S, SCH-10, SCH-XS, SCH160, SCH-40S, SCH-80, SCH-40, SCH-STD |
Surface Treatment of SA335 P91 Pipe |
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Marking of P91 Pipe suppliers |
ASTM A335 P91 Seamless Pipe Marking Sample: ASME B36.10 ASTM A335 Gr P91 12″ NB SCH 40S PIPE SEAMLESS HEAT NO. XXXX |
Different methods used by ASTM A335 P91 Pipe manufacturers’ | Hot Finish Seamless (HFS), Extrusion, Submerged Arc Welded (SAW), Electric Resistance Welded (ERW), Electro Fusion Seam Welded (EFSW), Fabricated, 100% X Ray/ Gamma Ray Welded, Seamless, Welded, Horizontal Submerged Arc Welded (HSAW), CDW, Longitudinally Submerged Arc Welded (LSAW), Cold Drawn Seamless (CDS) |
Approvals | IBR, ISO 17025 for Laboratories, HAF 604, PED, Saudi Aramco, EIL, PED 97/23/EC, Merkblatt W0, AD2000, KNPC, Shell, ONGC, L&T, NORSOK M-650, BP |
Origin of SA335 gr P91 Pipe material | Ukraine, American, USA, Russian, Gulf, Japan, Indian, Japanese, Africa, UK, Korean, Latin-American, Asian, Chinese, European |
Certificate | NACE, Sour-Service, EN-10204:3.1, HIC, IBR, EN-10204:3.2, SSC |
Equivalent Standards | ASTM, EN, UNI, JIS, GOST, ANSI, CSA, GB, AWWA, SS, API, KS, SAE, AISI, DIN, IS, BS, NFA, ISO |
Test | Hardness, IBR, Flux Leakage examination or Magnetic Flaw detection, Macro, Creep, Salt Spray Test to test Phosphating, Ultrasonic, Charpy V-Notch Test, Positive Material Identification (PMI), TM0177, Radiography, Metallurgical & Stereo Microscopy, Charpy V Impact Test, Burst Test, Chemical, Micro, Hydro test, Ultrasonic Test, Straightness, Surface Roughness Test, H2 SERVICE, IGC- Intergranular Corrosion Test, Hardness Test, Bend TestBend test / Guided Bend, HIC- Hydrogen-induced Cracking, Eddy current, Tensile, TM0284, Non Destructive Testing , Fine Grain, SSC- Sulfide Stress Corrosion Cracking, Impact, Ferrite, Stress , NACE MR0175, Mechanical |
Additional Services and Facility | Cutting, Tapping, Laser/ Water Jet Cutting, Sawing, Threading, Beveling Polishing |
Material Test Certificate (MTC) provided by P91 Pipe suppliers | ISO 9001:2005, PED, Radiographic Testing (RT), EIL, IBR, Ultrasonic Testing (UT), EN 10204 3.1, NDE, ISO 14001:2015 |
Supplier of ASTM A335 P91 Pipe in various shapes | Oval, Rhomboid, Hollow, Triangle, Square, Semi-Round, Round, Rectangle Hollow, Semi-Rhomboid, Elliptical, Semi-oval |
Coated ASTM A335 P91 Pipe suppliers in India | Internal and External Expoxy Coated, Galvanizing, Dual Layer ARO Coating, Temporary Corrosion Protection, Anti-Corrosion Paint, Primer, Fusion Bonded Epoxy Coating, LPE Coating And Lining, FBE Lining, Clad Material, Varnish, Coal tar enamel (CTE), Black Japan, 3LPP Coated (Three Layer Polyethylene Coating), UV Dual Layer Coating, Mild Steel Rubber lining (MSRL), Dual Layer FEB, Concrete weight coating (CWC), FBE Coated Pipes, PE Coated, Black Paint |
Leading ASTM A335 P91 Pipe manufacturers/ make | Boly Pipe, TATA Steel, Maharshtra Seamless Limited (MSL), Benteler, , Sumitomo Corporation, United Seamless Tubulaar Pvt. Ltd (USTPL), TMK JFE, Interpipe, Arcelormittal, Jindal Saw Limited (JSL), Indian Seamless Metal (ISMT) |
ASTM A335 P91 Material Cutting Techniques | Burrless Cuts, Tapping, Laser, Sawing, Water-Jet |
Trade Name | ASTM A335 Grade | UNS # | BSi – British Standards institute | Pipe | Forged / Bored Pipe * | Fittings |
P91 | P91 | K91560 | A335 / SA335 | A369 / SA369 | WP91 | |
P92 | P92 | K92460 | A335 / SA335 | A369 / SA369 | WP92 |
ASTM A335/ SA 335 | Mn | C≤ | P≤ | Si≤ | S≤ | Cr | Mo |
P91 | 0.30~0.60 | 0.08~0.12 | 0.020 | 0.20~0.50 | 0.010 | 8.00~9.50 | 0.85~1.05 |
P92 | 0.30~0.60 | 0.07~0.13 | 0.020 | 0.50 | 0.010 | 8.50~9.50 | 0.30~0.60 |