Stainless & High Alloys

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STAINLESS STEELS

ASF specialise in a vast range of products manufactured from all grades which include Pipe and Tube, Seamless and Welded, fittings, plate, sheet, coils and sections.

We also offer a full fabrication service to all standards and specifications.

Whilst the properties differ they are essentially the same within their class.

A steel alloy containing a minimum of 50% iron and 10.5% chromium (CR) and have 5 classification classes, austenitic, ferritic, martensitic, duplex and precipitation hardening.

Nickel based alloys contain less than 50% iron and consist of 4 classifications.

Group A is nickel and nickel-copper alloys such as Monel ™, Group B is Chromium bearing alloys such as Hastelloy ® C-22® and C-276; Group C is Nickel-Molybdenum alloys such as Hastelloy B2, B3 and B4 and Group D is Precipitation-hardening alloys as are Monel K-500 and Inconel alloy 718.

 

 

The extensive range of nickel based alloys available are used for their resistance to corrosion and retention of strength at elevated temperatures as well as their excellent resistance to pitting, crevice and stress corrosion cracking in chloride environments.

Titanium Plate and Tubing Grades: 2 / 11 / 12 also available.

Equivalent Specifications of Stainless Steel

Type UNS AISI EN Name EN Number
U-3CR12
U-3CR12L S41003 X2CrNi12 1.4003
U-410S S41008 410S
U-40910 S40910 409 X2CrTi12 1.4512
U-430 S43000 430 X6Cr17 1.4016
U-439 S43035 439 X3CrTi17 1.4510
U-430DDQ S43000 430 X6Cr17 1.4016
U-1.4509 S43940 X2CrTiNb18 1.4509
U-434 S43400 434 X6CrMo17-1 1.4113
U-436 S43600 436 X6CrMoNb17-1 1.4526
U-444 S44400 444 X2CrMoTi18-2 1.4521
U-2001 S32001 X2CrMnNi20-5-1 1.4482
U-2304 S32304 2304 X2CrNiN23-4 1.4362
U-2205 S32205 2205 X2CrNiMoN22-5-3 1.4462
U-202
U-304
U-304H
U-304DQ
U-304DDQ
S30400 304 X5CrNi18-10 1.4301
U-304L-ASTM
U-304L-ASME
U-304LS
S30403
S30400
304L
304
X2CrNi18-9
X5CrNi18-10
1.4307
1.4301
U-304LDDQ S30403
S30400
304L
304
X2CrNi19-11
X2CrNi18-9
X5CrNi18-10
1.4306
1.4307
1.4301
U-304LN S30453
S30451
304LN
304N
U-321 S32100
S32100
321321 X6CrNiTi18-10
X8CrNiTi18-10
1.4541
1.4878
U-316L-1.4404 S31003
S31600
316L
316
X2CrNiMo17-12-2
X5CrNiMo17-12-2
1.4404
1.4401
U-316L-1.4435 S31003
S31600
316L
316
X2CrNiMo18-14-3
X3CrNiMo17-13-3
X2CrNiMo17-12-2
X5CrNiMo17-12-2
1.4432
1.4435
1.4436
1.4404
1.4401
U-316LN S31653
S31651
316LN
316N
X2CrNiMoN17-11-2 1.4406
U-316Ti S31635 316Ti X6CrNiMoTi17-12-2 1.4571
U-309S-1.4833 S30908
S30900
309S
309
X12CrNi23-13 1.4833
U-309S Si-1.4828 X15CrNiSi20-12 1.4828
U-310S-1.4845 S31008
S31000
310S
310
X8CrNi25-21 1.4845
U-310S-1.4841 X15CrNiSi25-21 1.4841

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