Express Delivery
We understand the urgency of product requirement for Oil & Gas Industry & industrial breakdowns at various situations attenuating the project performance.
Our Certifications
Steel Sales Co. is an established company with an extensive supply chain spanning through continents and with expertise in the fabrication of alloy 20 weldolets. The quality of our products is a mirror image of the pure-grade raw materials we import from authentic sources and is compulsorily tested, to check their viability to form superior quality products.
The most commonly used olet fittings coupled with a superior grade of austenitic stainless steel is the alloy 20 weldolets. When we focus on alloy 20, its chemical composition plays a major role in imparting the weldolets with superior chemical and physical aspects. Also known as Carpenter 20, the stainless steel alloy is an iron-based alloy with nickel and chromium predominantly occupying a major portion among the other additives. Another distinct chemical alteration is the presence of niobium, which not only imparts additional stability but also increases the resistance of the alloy against intergranular corrosion. Since, the weldolets are responsible for holding together the main pipe along with the branch pipe, which diverts the flow in a different direction, the austenitic physical microstructure of the alloy aids the olet in functioning efficiently.
Alloy 20 weldolets are welded to both the run pipe and the branch pipe, which only secures the connection between the two pipes while guiding the change in the direction of the flow by an angle of 90°. Further, the austenitic nature of the alloy 20 imparts the weldolets with thermal stability, strengthening them as the temperature increases. The efficacy of alloy and metals can be affected by the presence of corrosive liquids and gases, but with the use of alloy 20 weldolets, corrosion is not to be worried about. The reason behind this is the excellent corrosion resistance displayed by the olet fittings against a broad spectrum of both liquids and gases. However, chloride environments should be avoided since it only speeds up corrosion and can prove to be fatal for both the structure and the stability of the alloy 20 weldolets.
Owing to the diverse properties exhibited by the weldolets made up of alloy 20 stainless steel, they are employed in a number of applications, involving oil refineries, marine applications, petrochemical, pharmaceutical, agitators, pump and valve parts, food processing, etc.
We conduct both tests and inspections on the product and factory operating conditions, which are carried out regularly and periodically respectively. Certificates are provided along with every product we dispatch, verifying its authenticity and credibility.
Standard Specification
1/2″ to 24″
3 mm to 200 mm
3000 LBS, 6000 LBS, 9000 LBS
ASME 16.11, MSS SP-79, MSS SP-95, 83, 95, 97, BS 3799
Weldolets, Welding Outlets, Welding Outlet, Welding Outlet Fittings, Welding Olet Fittings
STANDARD | WERKSTOFF NR. | UNS | EN | AFNOR |
Alloy 20 | 2.4660 | N08020 | NiCr20CuMo | Z2NCUD31-20AZ |
Grade | C | Mn | Si | S | Cu | Ni | Cr | Fe | Mo | P |
Alloy 20 | 0.07 max | 2.00 max | 1.00 max | 0.035 max | 3.00 – 4.00 | 32.00 – 38.00 | 19.00 – 21.00 | 29.85 min* | 2.00 – 3.00 | 0.045 max |
Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
Alloy 20 | 8.1 g/cm3 | 1443 °C (2430 °F) | Psi -80,000, MPa -551 | Psi – 35,000, MPa – 241 | 30 % |
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Express Delivery
We understand the urgency of product requirement for Oil & Gas Industry & industrial breakdowns at various situations attenuating the project performance.
Our Certifications