Breadcrubs

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25cr duplex.

Super Duplex 2507

Langley Alloys has been involved with Duplex Alloys from their Origins, Patenting the first fully wrought 25Cr Duplex alloy over 40 years ago “FERRALIUM 255” and coined the expression “Super Duplex”.

Duplex Stainless Steel is at the heart of the Langley Alloys business, with Langley Alloys being the ONLY supplier today offering its customer the complete choice on Duplex, and Super Duplex grades, with stock in the following grades:
22Cr Duplex: UNS 31803 (F51) and UNS 32205 (F60) 2205.
25Cr Super Duplex grades: UNS S32550 (F61), UNS S 32750 (F53) 2507 and UNS 32760 (F55)

Nickel Alloys
Austenitic Stainless
Duplex Stainless
Bronzes
Alloy Common Name Related Specifications Tensile Strength Proof Stress Elongation
British
European
United States
FERRALIUM 255-SD50
Alloy 255 High Strength
1.4507
ASTM A479 /A276/A473, A182/A240 UNS S32550, F61, UNS S32520, UNS S39553
790
[114.5]

600
[87]

25
Alloy S32760
1.4501
ASTM A479/A182 UNS S32760, F55
750
[109]
550
[79.8]
25
Alloy 2507
2507
1.4410
ASTM A479/A182/
A240 UNS S32750, F53
800
[116]
550
[79.8]
15
Alloy 2205
2205
1.4462
ASTM A479/A182 UNS S31803, S32205, F51 (S31803), F60 (S32205)
655
[95]
485
[70]
25
FERRALIUM 255-SD40
Alloy 255
1.4507
ASTM A479/ A276/ A473, A182/A240
UNS S32550, F61, UNS S32520, UNS S39553
760
[110.2]
550
[79.8]
25
FERRALIUM 255-3SF
Alloy 255
1.4507
ASTM A479/ A473, A182 UNS S32550, F61
760
[110.3]
550
[79.9]
25
FERRALIUM 255-3AF
Alloy 255 Aged Grade
1.4507
ASTM A479/ A276/ A473, A182/A240 UNS S32550, F61, UNS S32520, UNS S39553
830
[120.3]
570
[82.6]
23
FERRALIUM 255-FG46
Alloy 255 Fastener Grade
1.4507
A276 UNS S32550 Condition S
860
[124.7]
720
[104.4]
16
FERRALIUM 255-3SC
Alloy 255 Cast Grade
1.4507
ASTM A890 UNS J93373 CD3MCuN Grade 1C
700
[101.5]
450
[65.3]
25

FERRALIUM® is a registered Trade Mark of Langley Alloys Ltd.

 

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Super Duplex and Duplex Other Links

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