Materials & quality

Materials and quality work

Stainless and acid-proof is our speciality. Quality is secured through documented heat treatment and certified routines.

Material search

Can we cast your material?

Enter the designation of the alloy you need, for example an EN number, an ASTM grade or a UNS number. The search answers straight away whether the alloy is in our programme.

The alloy programme

The 55 designations we work with are consolidated into 31 production groups. Alloys in the same group share a composition window.

Austenitic stainless

  • AUS-a

    Austenitic CrNi (19Cr, 9-12Ni), including Nb-stabilised

    • ASTM A351/A743 CF3 (J92700)
    • EN 10283/10213 GX2CrNi19-11 (1.4309)
    • ASTM A351/A743 CF8 (J92600)
    • EN 10283/10213 GX5CrNi19-10 (1.4308)
    • EN 10283/10213 GX5CrNiNb19-11 (1.4552)
    • ASTM A351/A743 CF8C (J92710)

Austenitic CrNiMo, acid-proof

  • AMO-a

    316 type CrNiMo (18-20Cr, 9-12Ni, 2-2.5Mo), including Nb-stabilised

    • ASTM A351/A743 CF3M (J92800)
    • EN 10283/10213 GX2CrNiMo19-11-2 (1.4409)
    • ASTM A351/A743 CF8M (J92900)
    • EN 10283/10213 GX5CrNiMo19-11-2 (1.4408)
    • EN 10283 GX5CrNiMoNb19-11-2 (1.4581)
  • AMO-b

    316 type, SS 23 43

    • SS 14 23 43 SS 23 43 (castings) (2343)
  • AMO-c

    317 type, higher Mo (3-3.5 %)

    • ASTM A743 CG-3M (J92999)
    • ASTM A743 CG-8M (J93000)
    • EN 10283 GX5CrNiMo19-11-3 (1.4412)
  • AMO-d

    317 type, lower carbon

    • EN 10283 GX4CrNiMo19-11-3 (1.4443)

Superaustenitics

  • SUP-a

    Alloy 20 type, high Ni and Cu

    • ASTM A351/A743 CN-7M (N08007)
  • SUP-b

    High-Si superaustenitic (CN7MS)

    • ASTM A743 CN-7MS (-)
  • SUP-c

    254SMO type (6-7 % Mo)

    • ASTM A351/A743 CK3MCuN (254SMO-typ) (J93254)
  • SUP-d

    25-20 type, high Ni without Mo

    • ASTM A351/A743 CK-20 (J94202)
  • SUP-e

    654SMO, high-Mo superaustenitic, outside standard

    • Sulzer (kundspec - EJ standard) 4U / Avesta 654SMO (-)
  • SUP-f

    Fully austenitic GX2NiCrMoCu25-20-5 (24-26Ni, 19-21Cr, 4-5Mo, Cu)

    • EN 10283/10213 GX2NiCrMoCu25-20-5 (1.4584)

Martensitic

  • MART-a

    Martensitic 12-14Cr, low Ni

    • ASTM A743/A487 CA-15 (-)
    • ASTM A743 CA-15M (-)
  • MART-b

    CA6NM type (12-13.5Cr, 3.5-5Ni, Mo)

    • EN 10283/10213 GX4CrNi13-4 (1.4317)
    • ASTM A743/A487/A995 CA-6NM (J91540)

Duplex and superduplex

  • DUP-a

    Lean and 25Cr duplex

    • SS 14 23 24 SS 23 24 (castings) (2324)
    • ASTM A890/A995 3A (CD6MN) (J93371)
    • ASTM A890/A995 1B (CD4MCuN) (J93372)
  • DUP-b

    2205 type duplex (22Cr, 4.5-6.5Ni, 2.5-3.5Mo)

    • ASTM A890/A995 4A (CD3MN) (J92205)
    • EN 10283/10213 GX2CrNiMoN22-5-3 (1.4470)
    • SS 14 23 77 SS 23 77 (castings) (2377)
  • DUP-c

    Superduplex 25Cr-7Ni-4-5Mo (5A/CE3MN)

    • ASTM A890/A995 5A (CE3MN) (J93404)
  • DUP-d

    Superduplex 25Cr-6-3Cu (1.4517)

    • EN 10283/10213 GX2CrNiMoCuN25-6-3-3 (1.4517)
  • DUP-e

    Superduplex with W and Cu (CD3MWCuN)

    • ASTM A890/A995 6A (CD3MWCuN) (J93380)
  • DUP-f

    Superduplex, high Ni (2A/CE8MN)

    • ASTM A890/A995 2A (CE8MN) (J93345)
  • DUP-g

    Superduplex, highest N (7A/CD3MWN)

    • ASTM A890/A995 7A (CD3MWN) (J93379)
  • DUP-h

    Superduplex, highest Cr (1.4469, 26-27Cr)

    • EN 10283/10213 GX2CrNiMoN26-7-4 (1.4469)

Precipitation hardening

  • PH-a

    15-5PH type (CB7Cu-2)

    • ASTM A747 CB7Cu-2 (15-5PH-typ) (-)
  • PH-b

    17-4PH type (CB7Cu-1)

    • ASTM A747 CB7Cu-1 (17-4PH-typ) (-)

White iron

  • WI-a

    Ni-Hard class I

    • ASTM A532 I A (Ni-Cr-HiC) (-)
    • ASTM A532 I B (Ni-Cr-LoC) (-)
  • WI-b

    25 % Cr white iron class III

    • ASTM A532 III A (25% Cr) (-)

Carbon steel and 13Cr

  • CR13-a

    Unalloyed carbon steel (WCA/WCB)

    • ASTM A216 WCB (J03002)
    • ASTM A216 WCA (J02502)
  • CR13-b

    Wear-resistant unalloyed carbon steel (MAT2560)

    • EN 10293 / BS 3100 AW2 (Valmet MAT2560) GE300 / AW2 (1.0558)
  • CR13-c

    Heat-resistant 13Cr (MAT5430/CA-40)

    • EN 10295 (Valmet MAT5430) GX40CrSi13 (1.4729)
    • ASTM A743 CA-40 (-)

High-chromium

  • HCR-a

    28 % Cr, corrosion resistant

    • ASTM A743 CC-50 (28% Cr) (-)

Manganese steel

  • MN-a

    Manganese steel with Cr (11-14Mn)

    • EN 10349 GX120MnCr13-2 (1.3410)
  • MN-b

    Manganese steel, high Mn (16-19Mn, Hadfield)

    • EN 10349 GX120Mn18 (1.3407)

Quality assurance

How we secure quality

  • Documented heat treatment

    The furnace is fitted with a recorder, so the full cycle can be followed and verified.

  • Blasting with stainless medium

    Castings are blasted before delivery to remove scale and minimise the risk of discolouration.

  • Dimensional accuracy from the CO₂ method

    Moulding with new sand and zircon sand gives fine surfaces and low finishing costs.

  • Certified routines

    Work follows our management system to ISO 9001:2015, audited by a third party.

Feeder on a casting

Quality

Certificates and policy documents

Bureau Veritas Mode II Recognition is also held. The certificate will be published here once the file is in place.

Ready for the next step?

Get in touch and we will prepare a quote.