Grupo Compás
■ 254 SMO A182 F44 904L ■
Phone: +34 93 4351672
Fax: +34 93 5504076
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■ 254 SMO A182 F44 904L -- material overview ■
Grupo Compás generally holds 254 SMO, A182 F44 and 904L gate, globe, check, ball and butterfly valves.
Principal Design Features
This is a very high end austenitic stainless steel that combines impact toughness resistance to chloride stress corrosion cracking, pitting and crevice corrosion with strength nearly twice that of 300 series stainless steels. In some applications it has been found to be a more cost effective substitute for high nickel and titanium alloys.
Applications
Petroleum production, saltwater handling, food processing and chemical processing equipment, pulp mill bleach systems, flue gas desulfurization scrubbers and tall oil distillation columns.
Specifications:
ASTM A182 (F44), ASTM A240, ASTM A249, ASTM A269, ASTM A312, ASTM A469, ASTM A813, ASTM A814, UNS S31254, 6 Moly.
Machinability
An extremely high work hardening rate combined with a total lack of sulfur make 254-SMO very tough to machine. Sharp tools, positive feeds, overpowered machine tools, ample lubrication and slow speeds generally offer the best results.
Forming
Due to its high initial yield strength, this alloy will require greater force than used in other austenitic stainless steels.
Welding
Welding without filler material results in poor strength properties. Recommended filler metals include AWS A5.14 ERNiCrMo-3, and alloy 625. Electrodes should comply with AWS A5.11 ENiCrMo-12.
Hot Working
While cold forming is recommended wherever feasible, forging, upsetting and other operations can be performed at 1800- 2100 F . Temperatures above this range will cause scaling and a reduction in the workability of the material. Post-process annealing is required to re-attain maximum corrosion resistant properties.
Cold Working
Most common cold work methods are successful with this alloy. It should be understood however that the material will be more difficult to work than other austenitic stainless steels due its high work hardening rate. The resulting hardening will, however, produce increases in strength and toughness which may be of value in the finished product.
Annealing
2100- 2200 F (1149- 1204 C ), followed by a water quench.As a valve stockist, we hold valves in exotic materials such as titanium, hastelloy, duplex, super duplex, monel, incoloy, inconel, alloy 20, both in stock and can also deliver against tight lead times.
We generally hold the following material range: 317L/A744 GR. CG3M, 317/A744 GR. CG8M, 347/A744 GR. CF8C, Alloy 20/A744 GR. CN7M, CD4MCU/A744, Ferrallium 255, Duplex 2205 CD3MN, Monel/A494 GR. M35-1, Nickel/A494 GR. CZ100, Inconel/A494 GR. CY40-CL 1 & 2, Incoloy 800/A351 CTl 5C, Hastelloy B/A494 GR. N12MV, Hastelloy C/A494 GR. CW12MW, Hastelloy C276, Inconel 625, Titanium/B367 -69 GR. C3, Zirconium/B752 GR. 702C & 705C, Avesta 6moly 254 SMO/A351 CK3MCUN.
Actuators: we can supply pneumatic, electric and hydraulic actuators with valves when required.
For quotations or further information about our products, please contact Heather Smith (International eCommerce) by phone +34 93 435 1672 or by email: alloy-valves@alloy-valves.com
■ A182 F61, A182 F91, A182 F321, A182 F347, A182 F347H, A182 F44, Duplex A182 F51, Duplex 1.4462, Duplex 1.4470, Duplex UNS S31803, Duplex UNS S32205, Super Duplex UNS S32750, Super Duplex UNS S32760, Super Duplex 1.4501, Super Duplex 1.4410, Super Duplex 1.4507, Ferralium 255, Super Duplex A182 F53, Super Duplex A182 F55, A182 F91, 254 SMO, 6moly, 6mo, Duplex A995 Gr. 4A CD3MN, Duplex A890 Gr. 4A CD3MN, Duplex 2205, Super Duplex A890 Gr. 5A CEMN, Super Duplex A890 Gr. 6A CD3MWCUN, Alloy 20, Carpenter 20, A351 CN7M, A20 UNS 08020, Titanium A182 316Ti, Titanium Gr. 2, Titanium-Palladium Gr. 7, B367 Gr. 2, B381 Gr. II, UNS N08020, Monel 400, Monel K500, Monel A494 M35-1, Monel UNS N04400, Avesta 904L, Inconel A494-CY40, Inconel 600, Inconel 625, Inconel UNS N06600, Inconel UNS N06625, Incoloy 800, Incoloy 800H, Incoloy 800HT, Incoloy 825, Incoloy UNS N08800, Incoloy UNS N08825, Hastelloy C276, Hastelloy C22, Hastelloy B3, Hastelloy A494 CW12MW, A182 F5, A182 F22, A216 WC6, A216 WC9, A217 C5, A182 F11, A351 CG8M, Aluminium Bronze Valves■
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Grupo Compás. Barcelona. Spain..Tlf.: (+34) 93 435 1672...Fax: (+34) 93 550 4076.. Email: alloy-valves@alloy-valves.com
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