Product Details:
| Nominal Nut Diameter | M27 (27 mm) |
| Material | High Tensile Steel |
| Material Grade | ASTM A 194 GRADE L7 |
| Is It Customised | Customisation |
| Rust Resistant | Yes |
| Country of Origin | Made in India |
Standard: ASTM A194 covers carbon, alloy, and stainless steel nuts for high-pressure and high-temperature applications.
Grade 7: Alloy steel, quenched and tempered, designed for low-temperature service.
Shape: Heavy Hex Nuts (larger and thicker than standard hex nuts for higher strength).
Conforms to ASME B18.2.2 → Heavy Hex Nut dimensions.
Available in sizes from ¼″ to 4″ (M6 to M100).
Threads: UNC, UNF, or Metric (coarse & fine).
Height: Typically 0.875 × nominal diameter (heavier than standard hex nuts).
Chamfered ends and flat bearing surface as per ASTM/ASME requirements.
| Property | Grade 2H | Grade 7 | Grade 4 |
|---|---|---|---|
| Material | Medium Carbon Steel | Alloy Steel (Cr-Mo) | Alloy Steel (Mo-Cr-V) |
| Heat Treatment | Quenched & Tempered | Quenched & Tempered | Quenched & Tempered |
| Tensile Strength | ≥ 100 ksi (690 MPa) | ≥ 125 ksi (860 MPa) | ≥ 150 ksi (1035 MPa) |
| Yield Strength | ≥ 75 ksi (515 MPa) | ≥ 105 ksi (725 MPa) | ≥ 130 ksi (895 MPa) |
| Temperature Suitability | General high temp | Low-temperature service (impact tested at –101°C) | High strength, elevated service |
| Charpy Impact Test | Not required | Required | Required |
| Applications | Boilers, pipelines | Cryogenic & low-temp flanges | Petrochemical, turbine equipment |
Cryogenic & Low-Temperature Pipelines → LNG plants, refrigeration, low-temperature storage tanks.
Petrochemical & Refinery Equipment → Pressure vessels, flanges, and valves in critical conditions.
Power Plants & Offshore Projects → Turbines, reactors, subsea equipment where impact toughness is critical.
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Product Details:
| Nominal Nut Diameter | 10 mm |
| Material Grade | Stainless Steel 904L |
| Country of Origin | Made in India |
| Size | M10 |
| Standard | DIN 934 |
Description
SS 904L (UNS N08904 / DIN 1.4539) is a super austenitic stainless steel with high nickel, chromium, molybdenum, and copper content. It offers excellent resistance to corrosion in sulphuric acid, chloride-rich environments, and seawater applications.
Products & Dimensions (DIN Standards)
Bolts: Hex Bolts, Stud Bolts, Anchor Bolts – DIN 931 / DIN 933
Nuts: Hex Nuts, Heavy Hex Nuts – DIN 934
Washers: Flat Washers – DIN 125 / IS 2016
Sizes: M6 to M72 (custom sizes available in metric & inch series)
Applications
Chemical & Pharmaceutical Plants – handling corrosive acids
Marine Industry – seawater exposed equipment
Oil & Gas – offshore & refinery applications
Valves & Pumps – enhanced resistance in chloride/sulphuric acid service
Water Treatment Plants – long service life in harsh conditions
Why Aanuraj Fasteners 904L?
✅ Manufactured from genuine DIN 1.4539 / UNS N08904 material
✅ Solution annealed for superior corrosion resistance
✅ Available in all DIN/ISO/ASTM standards with precision machining
✅ Tested & certified for chemical and mechanical properties
✅ Trusted supplier for chemical, marine, and process industries
Product Details:
| Minimum Order Quantity | 100 Piece |
| Nominal Nut Diameter | 36 mm |
| Material Grade | Stainless Steel 410 |
| Features | Hex Forged Nuts |
| Country of Origin | Made in India |
| Specification | ASTM A194 Gr.6 |
SS 410 / ASTM A193 Grade B6 Studs, Bolts, and Nuts
📌 Product Description (Pointwise):Material Grade:
Made from Stainless Steel 410 / ASTM A193 Grade B6 – a martensitic stainless steel known for its strength and hardness.
Standards Followed:
Manufactured as per ASTM A193 / A194 standards for high-temperature and high-pressure services.
Hardness & Strength:
SS 410 offers excellent mechanical properties with high tensile strength and good wear resistance after heat treatment.
Corrosion Resistance:
Moderate corrosion resistance – ideal for mildly corrosive environments, better than carbon steel.
Applications:
Widely used in petrochemical plants, oil refineries, thermal power plants, pumps and valves, pressure vessels, and other industrial applications.
Thread Types:
Available in Metric, UNC, UNF thread types – both full thread and half thread options.
Surface Finish:
Natural finish, self-color, or passivated finish for enhanced durability. Electroplated or coated finish available on request.
Size Range:
M6 to M100 diameter and up to 1-meter length (custom sizes available as per requirement).
Types Available:
Studs (Full Thread / Double End)
Hex Bolts & Heavy Hex Bolts
Hex Nuts & Heavy Hex Nuts
Heat Treatment:
Supplied in hardened and tempered condition as per ASTM requirements.
Testing and Certification:
Comes with Material Test Certificate (MTC), EN 10204 3.1, and other test reports if required.
MOQ and Supply:
Minimum order quantity – 50 pieces. Bulk quantity available. Ready stock for standard sizes.
Packaging:
Packed in HDPE bags or wooden boxes with proper labeling and traceability.
Custom Orders:
Custom sizes, threading, and special packaging as per buyer requirements.
Made in India:
Proudly manufactured by Aanuraj Fasteners Pvt Ltd, a trusted manufacturer of stainless and alloy steel fasteners.
Product Details:
| Diameter | 52 mm |
| Size | 2" |
| Type | Heavy Hex Nuts |
| Material Grade | Super Duplex 32750 |
| Material | Super Duplex 32750 |
| Country of Origin | Made in India |
| Thickness | 52MM |
Premium Super Duplex 32750 Grade Fasteners – Strength Meets Corrosion Resistance ��
Looking for high-performance fasteners for the toughest industrial environments? Aanuraj Fasteners Pvt Ltd proudly offers Super Duplex UNS S32750 fasteners – including studs, bolts, and nuts – manufactured as per DIN, IS, and ISO standards to ensure reliability, precision, and global compatibility.
�� Available Standards:
Studs & Bolts: DIN 931, DIN 933, DIN 976, ISO 4014, ISO 4017, IS 1364
Nuts: DIN 934, DIN 985, ISO 4032, IS 1364, ISO 7040
Custom Sizes: As per drawings & project requirements
�� Chemical Composition (Typical %):
Cr: 24.0 – 26.0
Ni: 6.0 – 8.0
Mo: 3.0 – 5.0
N: 0.24 – 0.32
Fe: Balance
Others: Mn ≤ 1.2, Si ≤ 0.8, P ≤ 0.035, S ≤ 0.02
�� Mechanical Properties:
Tensile Strength: ≥ 795 MPa
Yield Strength (0.2% proof): ≥ 550 MPa
Elongation: ≥ 15%
Hardness: ≤ 32 HRC
Impact Energy: Excellent toughness even at sub-zero temperatures
�� Key Benefits:
Exceptional pitting & crevice corrosion resistance in seawater and chloride-rich environments
Superior strength-to-weight ratio compared to austenitic stainless steel
Outstanding fatigue & stress corrosion cracking resistance
Ideal for marine, oil & gas, desalination, chemical processing, and offshore structures
�� Order your Super Duplex 32750 fasteners today for unmatched durability and performance!
Keywords: super duplex fasteners, super duplex 32750 bolts, super duplex studs, super duplex nuts, UNS S32750, DIN 934 nuts, DIN 933 bolts, ISO 4014 bolts, IS 1364 studs, super duplex 2507 fasteners, corrosion resistant fasteners, high strength stainless steel fasteners, marine grade fasteners, offshore fasteners, chemical plant fasteners, Aanuraj Fasteners Pvt Ltd, high nickel fasteners, duplex stainless steel bolts, super duplex nuts manufacturer India
Hashtags: #superduplexfasteners, #superduplex32750, #superduplexbolts, #superduplexnuts, #UNSS32750, #superduplexstuds, #DIN934, #DIN933, #ISO4014, #IS1364, #offshorefasteners, #marinefasteners, #chemicalplantfasteners, #corrosionresistantfasteners, #aanurajfasteners, #highnickelfasteners, #duplexstainlesssteel
Product Details:
| Material | High Tensile Steel |
| Grade | Grade L7 |
| Thread pitch | 1" X 8UNC |
| Corrosion Resistance | BLACK PHOSPHATING |
| Country of Origin | Made in India |
| ASTM | ASTM A194 GRADE L7 |
Standard: ASTM A194 covers carbon, alloy, and stainless steel nuts for high-pressure and high-temperature applications.
Grade 7: Alloy steel, quenched and tempered, designed for low-temperature service.
Shape: Heavy Hex Nuts (larger and thicker than standard hex nuts for higher strength).
Conforms to ASME B18.2.2 → Heavy Hex Nut dimensions.
Available in sizes from ¼″ to 4″ (M6 to M100).
Threads: UNC, UNF, or Metric (coarse & fine).
Height: Typically 0.875 × nominal diameter (heavier than standard hex nuts).
Chamfered ends and flat bearing surface as per ASTM/ASME requirements.
| Property | Grade 2H | Grade 7 | Grade 4 |
|---|---|---|---|
| Material | Medium Carbon Steel | Alloy Steel (Cr-Mo) | Alloy Steel (Mo-Cr-V) |
| Heat Treatment | Quenched & Tempered | Quenched & Tempered | Quenched & Tempered |
| Tensile Strength | ≥ 100 ksi (690 MPa) | ≥ 125 ksi (860 MPa) | ≥ 150 ksi (1035 MPa) |
| Yield Strength | ≥ 75 ksi (515 MPa) | ≥ 105 ksi (725 MPa) | ≥ 130 ksi (895 MPa) |
| Temperature Suitability | General high temp | Low-temperature service (impact tested at –101°C) | High strength, elevated service |
| Charpy Impact Test | Not required | Required | Required |
| Applications | Boilers, pipelines | Cryogenic & low-temp flanges | Petrochemical, turbine equipment |
Cryogenic & Low-Temperature Pipelines → LNG plants, refrigeration, low-temperature storage tanks.
Petrochemical & Refinery Equipment → Pressure vessels, flanges, and valves in critical conditions.
Power Plants & Offshore Projects → Turbines, reactors, subsea equipment where impact toughness is critical.
#ASTMA194, #Grade7Nuts, #HeavyHexNuts, #AlloySteelFasteners, #CryogenicFasteners, #IndustrialFasteners, #AanurajFasteners, #HighStrengthNuts, #PetrochemicalFasteners, #BoltingSolutions
Product Details:
| Minimum Order Quantity | 50 Kg |
| Size | M12 |
| Material | HASTELLOY |
| Brand | RAJ |
| Shape | HEX |
| Standard | DIN 934 |
| Packaging Type | BOX |
| Color | BRIGHT BUFFED |
| Material Grade | B574 GRADE HASTELLOY C 276 |
| Country of Origin | Made in India |
HASTELLOY C-276 alloy is a nickel-molybdenum-chromium wrought alloy that is generally considered a versatile corrosion-resistance alloy.
HASTELLOY C-276 alloy has excellent resistance to a wide variety of chemical process environments, including strong oxidizers such as ferric and cupric chlorides, hot contaminated media (organic and inorganic), chlorine, formic and acetic acids, acetic anhydride, and seawater and brine solutions.
It is used in flue gas desulfurization systems because of its excellent resistance to sulfur compounds and chloride ions encounted in most scrubbers.
Product Details:
| Minimum Order Quantity | 100 Nos. |
| Size | M10 M65 |
| Brand | RAJ |
| Quantity Per Pack | 25 |
| Packing Type | BOX |
| Material | B574 Gr.276 |
| Grade | Hastelloy C276 |
| Condition | New |
| Surface Finishing | BUFFED |
Additional Information:
Product Details:
| Material | Alloy Steel |
| Nominal Nut Diameter | M20 (20 mm) |
| Material Grade | ASTM A194 GRADE 2H |
| Features | H=D Hex Nut |
| Country Of Origin | India |
ASTM A194 Grade 2H Metric Nuts – Aanuraj Fasteners Pvt. Ltd.
Chemical Composition: Medium carbon alloy steel, heat treated (quenched & tempered) for high strength.
Hardness: 248 – 352 HB (Brinell).
Dimensions: As per DIN 934 in metric series (M6 to M100 available).
Applications: Widely used in pressure vessels, oil & gas, petrochemical, heavy engineering, and power plant industries.
Why Aanuraj? Precision manufacturing, strict quality control, certified heat treatment, and 100% compliance with ASTM standards.
👉 Aanuraj Fasteners Pvt Ltd – Trusted manufacturer of high-tensile nuts & bolts in India, ensuring zero-defect quality for critical applications.
Product Details:
| Material | Alloy Steel |
| Nominal Nut Diameter | M24 (24 mm) |
| Material Grade | ASTM A194 GRADE 2H |
| Features | H=D HEX NUTS |
| Country Of origin | India |
ASTM A194 Grade 2H Metric Nuts – Aanuraj Fasteners Pvt. Ltd.
Chemical Composition: Medium carbon alloy steel, heat treated (quenched & tempered) for high strength.
Hardness: 248 – 352 HB (Brinell).
Dimensions: As per DIN 934 in metric series (M6 to M100 available).
Applications: Widely used in pressure vessels, oil & gas, petrochemical, heavy engineering, and power plant industries.
Why Aanuraj? Precision manufacturing, strict quality control, certified heat treatment, and 100% compliance with ASTM standards.
👉 Aanuraj Fasteners Pvt Ltd – Trusted manufacturer of high-tensile nuts & bolts in India, ensuring zero-defect quality for critical applications.
Product Details:
| Material | Alloy Steel |
| Nominal Nut Diameter | M16 (16 mm) |
| Material Grade | ASTM A194 GRADE 2H |
| Features | H=D Hex Nuts |
| Country Of Origin | INDIA |
ASTM A194 Grade 2H Metric Nuts – Aanuraj Fasteners Pvt. Ltd.
Chemical Composition: Medium carbon alloy steel, heat treated (quenched & tempered) for high strength.
Hardness: 248 – 352 HB (Brinell).
Dimensions: As per DIN 934 in metric series (M6 to M100 available).
Applications: Widely used in pressure vessels, oil & gas, petrochemical, heavy engineering, and power plant industries.
Why Aanuraj? Precision manufacturing, strict quality control, certified heat treatment, and 100% compliance with ASTM standards.
👉 Aanuraj Fasteners Pvt Ltd – Trusted manufacturer of high-tensile nuts & bolts in India, ensuring zero-defect quality for critical applications.
Product Details:
| Minimum Order Quantity | 100 Piece |
| Diameter | M27 |
| Standard | INCONEL 926 |
| Spacification | DIN 934 |
| Thickness | 22mm |
| Country of Origin | Made in India |
Chemical Composition
Inconel 926, also known as Alloy 926 (UNS N06926), is a super-austenitic molybdenum stainless steel that offers excellent corrosion resistance. Its chemical composition includes ¹ ²:
- *Nickel (Ni)*: Balance
- *Chromium (Cr)*: 20.0-23.0%
- *Molybdenum (Mo)*: 8.0-10.0%
- *Iron (Fe)*: 5.0%
- *Nitrogen (N)*: Not specified
- *Other elements*: Similar to AL6XN and SMO 254
Applications
Inconel 926 fasteners are ideal for use in ¹ ²:
- *Marine engineering*: Resistant to seawater corrosion
- *Chemical processing plants*: Withstands corrosive environments
- *Furnaces and gas turbines*: High-temperature resistance
- *Boiler and pressure vessels*: Excellent mechanical properties
- *Nuclear power plants*: Reliable performance in critical environments
- *Pulp and paper plants*: Resistant to chloride stress corrosion cracking
- *Desalination plants*: Effective in seawater applications
Why Choose Aanuraj Fasteners Pvt Ltd?
Aanuraj Fasteners Pvt Ltd is a trusted manufacturer and supplier of high-quality Inconel 926 fasteners, including nuts and bolts. Here's why clients prefer them ³ ⁴ ⁵:
- *ISO 9001:2015 certification*: Ensures quality management and reliability
- *Experienced team*: Skilled engineers and experts oversee manufacturing
- *State-of-the-art facilities*: Advanced equipment for precise production
- *Prime raw materials*: Sourced from reputable international suppliers
- *Customization options*: Available as per client specifications and drawings
- *Third-party inspection*: Quality assurance through NABL-approved labs
- *Timely delivery*: Efficient logistics and supply chain management
Products and Specifications
Aanuraj Fasteners Pvt Ltd offers a range of Inconel 926 fasteners, including ¹ ³:
- *Bolts*: Hex head bolts, stud bolts, and other types
- *Nuts*: Hex nuts, lock nuts, and other styles
- *Washers*: Flat washers and lock washers
- *Threaded products*: Studs and threaded rods
- *Specifications*: ASTM, ASME, DIN, and ISO standards
By choosing Aanuraj Fasteners Pvt Ltd, clients can rely on high-quality Inconel 926 fasteners that meet industry standards and specifications.
Product Details:
| Minimum Order Quantity | 50 Kg |
| Size | HDG ASTM A 194 GRADE HEAVY HEX NUTS 1.5/8" |
| Material | High Tensile Steel |
| Brand | RAJ |
| Shape | HEX |
| Nut Type | HEAVY HEX NUTS |
| Standard | ASME B 18.2.2 |
| Packaging Type | BOX |
| Color | DULL GREY |
| Material Grade | ASTM A194 GRADE 2H |
| Country of Origin | Made in India |
Additional Information: