1. Specification for Duplex Stainless Steel 904L N08904 ASTM A182 F904L 90 45 Elbow Tee Cross Pipe Cap

Grade: SS 904L / WNR 1.4539 / UNS N08904 / AISI 904L / SUS 904L / INOX 904L / Alloy 904L / URANUS B6 / SEW 400 / 2RK65 / RVS 904L

Specifications: ASTM, ASME and API

Standards: ASTM A182, ASME B16 11, ANSI B16 11

Size: 1/8’’ to 36’’

Class: 150 Class, 300 Class, 600 Class, 900 Class, 1500 Class, 2500 Class, PN6, PN10, PN16, PN25, PN40, PN64, etc.

2. Duplex Stainless Steel 904L N08904 ASTM A182 F904L 90 45 Elbow Tee Cross Pipe Cap Type or Form:

Elbow, 90 Degree Elbow (90° Elbow), 45 Degree Elbow (45° Elbow), Tee, Forged Tee, Cross, Union, Coupling, Forged Coupling, Half Coupling, Cap, Boss, Street Elbow, Reducing Coupling, Hex Head Bushing, Hex Head Plug, Square Head Plug, Round Head Plug, Bull Plug, Hex Nipple, Swage Nipple, etc.

3. 904L Forge Fittings Corrosion Resistance

904L gives good resistance to both organic and inorganic acids.The addition of copper in 904L grade gives excellent corrosion resistance against nickel stainless steels, to sulphuric, phosphoric, acetic acids, hydrochloric acids, etc. It also gives a high resistance to pitting in chloride solutions, an excellent resistance to both crevice and stress corrosion cracking.The 904L is much better than austenitic stainless steels due to the higher alloying of nickel and molybdenum.The high percentage of chromium content in 904L gives and maintains a passive film which protects the material in many corrosive environments.

4. 904L Forge Fittings Cold Forming

Cold forming 904L can be done easily. The composition of molybdenum and nitrogen implies more powerful processing equipment may be needed.Most of the time more common methods like cooling with air or water etc are used.

5. 904L Forge Fittings Hot Forming

Hot and heat forming should be done after uniform heating.Complete annealing should be done before any hot forming in order to retain maximum ductility and corrosion resistance property. It is very important that the whole process should be done above 1100°C.

6. 904L Forge Fittings Machining

The machining of 904L requires proper care to achieve the expected result. The cutting speed should be slow and proper care should be taken while doing so.

7. 904L Forge Fittings Welding

The 904L material should be allowed to cool in between, preferably to below 150°C temperatures. To obtain good welding properties welded condition, filler material shall be used.Because of high thermal expansion, welding must be carefully planned in advance to ensure that distortion of the welded joint can be kept under control.

8. 904L Forge Fittings Heat Treatment

The heat treatment should be accompanied by cooling in water or air immediately. This treatment should be applied for both solution annealing and stress relieving from the 904L material.

10. 904L Stainless Steel Physical properties:

11. 904L Stainless Steel Chemical Composition:

12. 904L Stainless Steel Mechanical Properties:

13. Marking

We mark all our products with entire details which are connected to the test certificates we provide.

In cases of orders like cut piece of pipes, sheets or round bars, the marking is shifted from the product from which it is slit. In these situations, we offer letter confirming the marking transfer and picture of the product from which it is cut.

14. Dispatching Time

• In a situation, the stock is not ready, it depends on the size, quantity and grade for manufacturing.
• We make sure that we provide at delivery time for everybody in India and most of the time our production time is the minimal.
• We have secured with reliable logistic partners in India, which can carry out any kind of shipment activities and also without delay.
• If the items are ready for use in stock, we take 2 days from the date of receipt of advance payment to discharge the shipment and send it to port.