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Oil and Gas

 

Rolled Alloys is proud to be a certified supplier of specialty metals to the Oil and Gas Industry. In addition to our proprietary grades ZERON® 100 and AL-6XN®, we offer an extensive inventory of stainless steels, nickel alloys, and titanium grades in a variety of shapes and forms. Rolled Alloys’ global approach sets the industry standard by offering reliable service, superior materials, and unmatched expertise. We also offer in-depth knowledge of material specifications, supply chain management support, and metallurgical expertise. Rolled Alloys brings your project from concept to delivered product.




ZERON 100 and
AL-6XN Alloy

Rolled Alloys supplies ZERON 100 and AL-6XN into the most aggressive downhole, topside and subsea environments. ZERON 100 was specifically engineered to withstand the extreme temperatures, pressures and sour service that exist in the North Sea. With NORSOK approval ZERON 100 has been used successfully for pumps, tooling, and piping systems. Both AL-6XN and ZERON 100 have been utilized for entire piping systems, tubulars, tooling and topside platforms at B.P., Shell, Marathon Oil, and Exxon Mobil.
Topside Applications

Offshore oil rigs must maintain structural integrity and limit corrosion in a wide variety of seawater applications. Duplex stainless steels and high nickel-molybdenum alloys are used in place of austenitic stainless steels, which are prone to general pitting, stress cracking, and have limited strength.

Flare tips and other high temperature applications utilize alloys, such as RA330, 253 MA, and 310 stainless steel. Both RA330 and RA 253 MA provide oxidation resistance up to 2000°F. 800H/AT and 625 are equally common.
Topside/Subsea
Applications
Applied Materials 

ZERON 100 super duplex and 2205 duplex are used in offshore oil rigs, pressure vessels and cyclones. ZERON 100, for example, has been used in seawater fire protection systems by Marathon Oil, Mobil, B.P., Shell and many others.

AL-6XN displays outstanding resistance to chloride pitting and crevice corrosion, and has been implemented in LNG vaporizers and fire protection systems, as well as a variety of other offshore Oil and Gas production equipment.

625 has good stress rupture strength up to 1800°F, resists oxidation and has excellent resistance to chloride-ion SCC and crevice corrosion. Applications include marine and chemical processing environments, in forms such as seals, fasteners, heat exchangers, valves, steam lines, and exhaust ducts.

A Christmas tree structure is a common form of well head application. 718 (NACE Compliant) makes particularly useful oil tools and shafts due to its high strength and corrosion resistance, excellent sub zero toughness and resistance to hydrogen embrittlement.

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Downhole Applications

The reduced amount of easily available crude oil has increased the demand of oil extraction, creating a need for deeper wells with more severe conditions. The downhole portion includes the use of alloy 718, 17-4, 13-8, Nitronic 50 (XM-19), Nitronic 60 stainless steels and ZERON 100 super duplex stainless steel.

718 is stocked in both an annealed form to meet AMS 5662 as well as a specific aging treatment to meet the higher mechanical properties required by API 6A and hardness limitations from NACE MR-0175.

17-4 stainless steel (solution treated and aged) is the preferred alloy for stems, and shafts, and is often used in valve internals. It has high strength and corrosion resistance comparable to 304 stainless steel in many environments.
  Nominal Chemical Composition  
Alloy Ni Cr Fe Si Other Description
ZERON 100®
 7 25 3.5 62 Cu: 0.5
C: 0.02
Mn: 0.5		 Super duplex stainless steel with high strength and high resistance to chloride pitting corrosion. Suitable for seawater service.
AL-6XN®
 24 20.5 6.3 48 C: 0.02
N: 0.22		 High (6.3%) molybdenum high strength super austenitic stainless. Superior resistance to chloride pitting and crevice corrosion. Applications are in high chloride environments containing high levels of halogens and brackish or seawater.
718 NACE 52 19 19 0.1 Cb: 5.0 718 is a precipitation hardenable nickel - chromium alloy. It combines high strength in the aged condition with good corrosion resistance and weldability. Meets API 6A.
718 52 19 19 - Mo:3.0, Al: 0.5
Ti: 0.9, Cb: 5.0
B:0.002		 Nickel alloy precipitation hardened by gamma prime and double prime. Readily fabricated, weldable even in the hardened condition.
625 61 21.5 4 - Mo: 9.0
Cb: 3.6		 A high strength (9%) molybdenum nickel alloy with excellent resistance to hot seawater, scrubber environments and reducing acids.
17-4 4.7 15.5 - 75

C: 0.06
Cu: 3.3

 Age hardening martensitic stainless. Good strength and corrosion resistance. Simple heat treatment.
2205 5.6 22.1 3.1 67 C: 0.02
N: 0.16		 Duplex austenitic-ferritic stainless with high resistance to chloride stress corrosion cracking and high strength.
RA330® 35 19 43 1.25 C: 0.05 The workhorse of the austenitic heat resistant alloys. Good strength, carburization and oxidation resistance to 2100°F.
RA 253 MA® 11 21 65 1.7 Ce: 0.04
N: 0.17
C: 0.08
Mn: 0.6		 An advanced micro-alloyed austenitic heat resistant alloy. High creep-rupture strength and outstanding oxidation resistance through 2000°F
310 20 25 52 0.5 C: 0.05
Mn: 1.6		 Austenitic heat resistant grade with higher chromium and nickel for oxidation resistance beyond 2000°F. Good sulfidation and hot corrosion resistance.
Prodec ® 316 / 316L 10.2 16.4 69 - Mo:2.1, C: 0.02 An improved version of standard 316L for improved machinability and outstanding uniformity. Provides improved resistance to pitting and crevice corrosion in environments containing chlorides and other halides.
Prodec ® 304 / 304L 9.0 18.3 70 - C: 0.02 An improved version of standard 304/304L processed for improved machinability and outstanding uniformity. Offers faster machining speeds, longer tool life, improved part quality and lower total cost of machined parts.
13-8 8 13 76 - Mo: 2.5
Al: 1.2
C: 0.03		 Martensitic PH stainless with high strength, hardness, superior toughness and good corrosion resistance.
Nitronic 50 (XM-19) 10 21 61 0.4 Mo: 1.7
Mn: 6.0
C: 0.03		 High strength and good corrosion resistance. Nearly 2X strength of 304 & 316 with better corrosion resistance than 317L.
Nitronic 60 8.5 17 61 4.0 Mn: 8.0
C: 0.05
N 0.13		 Excellent galling resistance at high temperatures. Used for fasteners and pins.
15-5 4.5 15 76 - Cu: 3.5
Cb: 0.3
C: 0.04		 Age hardenable martensitic stainless steel.
2205 5.6 22.1 3.1 67 C: 0.02
N: 0.16		 Duplex austenitic-ferritic stainless with high resistance to chloride stress corrosion cracking and high strength.
A-286 26 15 - 54 Mo: 1.3
Al: 0.2
V: 0.3
Tl: 2.0
B: 0.005		 Precipitation hardenable iron base alloy for continuous use from -320 to 1000°F. Aqueous corrosion resistance similar to 316/316L stainless.
Titanium 6Al-4V - - 0.15 - Al: 6.0
v: 4.0
O2:0.16
Ti: 89.4		 Most widely used of the alpha-beta titanium alloys. Used through 750°F.

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Keywords: Rolled Alloys, RA330, Alloy