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

TypeUNSAISIEN NameEN Number
U-3CR12
U-3CR12LS41003X2CrNi121.4003
U-410SS41008410S
U-40910S40910409X2CrTi121.4512
U-430S43000430X6Cr171.4016
U-439S43035439X3CrTi171.4510
U-430DDQS43000430X6Cr171.4016
U-1.4509S43940X2CrTiNb181.4509
U-434S43400434X6CrMo17-11.4113
U-436S43600436X6CrMoNb17-11.4526
U-444S44400444X2CrMoTi18-21.4521
U-2001S32001X2CrMnNi20-5-11.4482
U-2304S323042304X2CrNiN23-41.4362
U-2205S322052205X2CrNiMoN22-5-31.4462
U-202
U-304
U-304H
U-304DQ
U-304DDQ
S30400304X5CrNi18-101.4301
U-304L-ASTM
U-304L-ASME
U-304LS
S30403
S30400
304L
304
X2CrNi18-9
X5CrNi18-10
1.4307
1.4301
U-304LDDQS30403
S30400
304L
304
X2CrNi19-11
X2CrNi18-9
X5CrNi18-10
1.4306
1.4307
1.4301
U-304LNS30453
S30451
304LN
304N
U-321S32100
S32100
321321X6CrNiTi18-10
X8CrNiTi18-10
1.4541
1.4878
U-316L-1.4404S31003
S31600
316L
316
X2CrNiMo17-12-2
X5CrNiMo17-12-2
1.4404
1.4401
U-316L-1.4435S31003
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-316LNS31653
S31651
316LN
316N
X2CrNiMoN17-11-21.4406
U-316TiS31635316TiX6CrNiMoTi17-12-21.4571
U-309S-1.4833S30908
S30900
309S
309
X12CrNi23-131.4833
U-309S Si-1.4828X15CrNiSi20-121.4828
U-310S-1.4845S31008
S31000
310S
310
X8CrNi25-211.4845
U-310S-1.4841X15CrNiSi25-211.4841

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