SS 904L Forged Fittings Supplier

Grade 904L Stainless Steel is an a business evaluation of legitimate stainless steel which has a low carbon content and is non settled. It is high in nickel and copper combination and is mixed with copper to build its imperviousness to acids such as sulphuric corrosive which is additionally a decent lessening specialists. This is typically safe in both gentle and in addition forceful condition. It has a high rate of nickel and molybdenum. It is likewise impervious to different things such as hole and stretch erosion. It is intense, weldable and is not attractive but rather gives eminent formability. Combination 904L, UNS N08904 are the typical exchange names for 904L.

Heat Resistance

This grade of UNS NO8904 gives the best oxidation resistance and has the structural stability which usually collapses at high temperatures like 400°C and above. Usually these can be solution heat treated at 1090 to 1175°C which is usually followed by rapid colling. One can subject these to thermal treatment for hardening these grades

♦ Types, Size & Class of SS 904L  ♦

Types: Socket Weld (S/W) & SCREWED (SCRD) – NPT, BSP, BSPT
Size: ⅛” to 4”
Class: 2000#, 3000#, 6000#, 9000#


♦ Other Product Names ♦

  •  Alloy 904
  • Nickel Alloy 904
  • Alloy 904L
  • A904
  • UNS N08904
  • SS 904L
  • Werkst. nr. 1.4539


♦ Key Properties of SS 904L Forged Fittings ♦

  • Weldability
  • Machinability
  • Heat Treatment
  • Pickling
  • Good resistance to pitting and crevice corrosion.
  • Very good resistance to stress corrosion cracking.
  • Good resistance to intergranular corrosion.
  • Good formability and weldability.
  • Maximum service temperatures of
  • 450 deg.C. (824 deg.F)


♦ Application of SS 904L Forged Fittings ♦

  • Nuclear Components
  • Thermocouples
  • Heat Exchanger
  • Petrochemical
  • Chlorination Equipment
  • Pharmaceuticals
  • Chemicals fertilizers
  • Paper & Pulp
  • Dairy
  • Power
  • Oil extractions

♦ Chemical Composition ♦

C Si Mn P S MO Cr Cu Ni
0.020 1.00 2.0 0.045 1 4-5 19-23 1.0-2.0 23.0-28.0

Elastic Modulus
Mean Co-eff of Thermal Expansion (µm/m/°C)  –
0-100°C 15
Thermal Conductivity
(W/m.K)  At 20°C
Specific Heat 0-100°C
Elec Resistivity


♦ Mechanical Properties ♦


Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B)
904L 490 220 36 70-90

♦ Heat Treatment ♦

Usually these can be solution heat treated at 1090 to 1175°C which is usually followed by rapid colling. One can subject these to thermal treatment for hardening these grades

♦ Material & Specification of SS 904L Forged Fittings ♦

Material & Specifications:

ASTM B677, B366,ASME SB677, SB366


♦ Forms of SS 904L Forged Fittings ♦

  • Elbow 45 deg
  • Elbow 90 degree
  • Equal Tee
  • Reducing Tee
  • Cross Tee
  • Union
  • Full coupling
  • Half coupling
  • Cap
  • Nipple
  • Swage Nipple
  • Bush
  • Plug
  • Hydraulic Fittings
  • Hex Head Plugs
  • Round Head Plugs
  • Square Head Plugs
SS 904l forged fittings


Siddhagiri Metals and Tubes has been a leading distributor of Stainless Steel and Alloy Steel Products since long. We have been manufacturing and supplying the best quality products and are experts in sourcing the basic requirements of the clients for nickel based alloys. We aim at providing the most unique services and have gained our customer’s confidence due to our expertise and propulsion in these alloys. We handle our customer’s requirement as supreme need and extend our sincere dedication in figuring out their needs. We maintain the highest standards and our quality is endorsed worldwide through our impeccable service. Every unit is usually tested and personally inspected by us thus avoiding any sort of discrepancy. We lay emphasis on providing a very environment friendly output and do not produce any harm to nature.  We also export to countries abroad and have a hundred percent positive result in this respect.


If one is to wonder why exactly they would come to Siddhagiri Metals and Tubes then we can only emphasize on our specialization in this grade of stainless steel 904L for example which has the highest demand in the nickel based alloy category. We are known for our excellent products which enable welding for fabrication. Our products are known for their formidability and toughness too. In fact Siddhagiri Metals and Tubes and Tubes 904L brands are known for the best kind of supply of such products across the world. We offer the best kind of packing and packaging and we are suited not only for sea but also air transport. Our Quality testing and Control is extremely stringent and perfect. Our pricing is competitive and we also offer consultancy services for alternative material.

♦ Quality Assurance ♦

At Siddhagiri Metal, all fittings and Flanges are liable to strict assessment at every phase of the creation process, from beginning material buying to item dispatch. They are outwardly inspected for adjustment to ASTM, ASME, MSS, DIN, EN, and JIS codes and principles. Upon solicitation, authority ensured Inspection Agencies can be brought into witness the material reports, measurements and quality congruity of items.

♦ Our Test Certificate Includes ♦

  • Positive Material Identification – PMI Testing
  • Chemical Analysis – Spectro Analysis
  • Mechanical Testing Such as Tensile, Elongation, Reduction of Area
  • Micro Test
  • Macro Test
  • Hardness Test
  • Pitting Resistance Test
  • Intergranular Corrosion (IGC) Test & PRATICE (AS PER ASTM G28-02, METHOD A )
  • Flaring Test
  • Flattening Test
  • Hydrostatic Test
  • Radiography Test
  • Dye Penetrant Test (DP Test)
  • Ultra Sonic Test (UT)
  • Impact Test
  • Bend Test

♦ Documentations: We provide the following records on requirement along with our supplies ♦

  • Certificate of Origin legalized/attested by Chamber of Commerce or Embassy
  • Commercial Invoice including HS Code
  • Packing List including number of boxes, net weight and gross weight, Marks and Numbers
  • Fumigation Certificates
  • Test Certificates certifying NACE MR0103, NACE MR0175
  • Heat Treatment Charts
  • Additional Testing from NABL approved Laboratory required as per the client
  • Letter of Guarantee
  • Material Test Certificates as per EN 10204 3.1, EN 10204 3.2
SS 904L Forged Fittings
SS 904L Forged Fittings

♦ Marking & Packing ♦

Products are packed to make sure that there is no harm during transportation. In case of exports, conventional business appearance is done in wood made cases. All fittings and flanges are noticeable with Quality, Lot No, Size, Level and our business indicate. On special demands we can also, make customized tagging on our products.

♦ Price Basis ♦

We can provide any of the following cost foundation based upon on your requirement:

  • Ex-works
  • FOB Nhava Sheva
  • CFR, CIF, CPT your location port
  • Door to Entrance Distribution Responsibility Compensated as well as Duty Unpaid

♦ Delivery Time ♦

If the products are available in stock, we take 2 days from the date of invoice of advance payment to clear the delivery and send it to slot. And in-case the products are not availabe in stock, plenty of your time taken for manufacturing relies on the size, amount and quality. However we can declare the fact that we can contest with anyone in Indian on Distribution efforts and most of plenty of your time our manufacturing time is the least. We have bound with powerful logistic associates in Indian which can perform any type of delivery activites and make sure that there is no wait in delivery.

♦ Inspection ♦

We welcome level sensible examination, last level examination from any of your associate or 3rd party examination organizations. We consistently have examinations continuous at our property from worldwide recommended Inspection Agencies such as TUV, Llyods, BVIS, SGS, DNV etc.

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