Materials & Grades

Special Alloys

If you require an alloy that is not listed below please contact us...

Steels for Mildly Corrosive Environments: 13 Chromium and Chromium Nickel Molybdenum

Ferritic mildly corrosive resistant steel with wide ranging applications. The 0.15%C, 13%CR, 1%Mo version has lower strength, toughness and poorer weldability.

  • Typical Specifications: BS3100 410C21, 420C29, 425C11, ASTM A743: CA15, CA6NM, DIN/EN:GX4CrNi13-4
  • Properties & Heat treatment: Normalised and tempered or oil quenched and tempered.
  • Weldability: Good
C
Si
Mn
S
P
Cr
Ni
Mo
Other
Yield
MPa
UTS
MPa
Charpy impacts
J@0°C
Typical
0.04
0.35
0.6
0.02
0.025
13
4.00
0.35
-
550
755
35J

Stainless Steels Corrosive Environments.

A wide range of alloy compositions exist to suit particular service environments and engineering requirements. Duplex steels offer a combination of corrosion resistance and higher strength levels. Predominantly austenitic steels are required for severe service environments.

  • Typical Specifications: Type 304 and 316 and Duplex steels. ASTM A743 CF8/CF8M, ASTM A890 grades.
  • Properties & Heat treatment: Solution treat and quenched. Particulars depend on composition.
  • Weldability: Generally good when microstructures contain small amounts of ferrite.
C
Si
Mn
S
P
Cr
Ni
Mo
Other
Yield
MPa
UTS
MPa
Charpy impacts
J@20°C
Typical
0.06
0.75
0.7
0.04
0.040
18
8.00
0.35
-
205
485
-
Typical
19
9.00
2.50
Typical
25
5.00
2.00
Cu, N

Steels for General Engineering: Plain Carbon & Carbon Manganese

Higher carbon contents provide greater strength but lower toughness. Lower carbon quenced and tempered versions provide a good combination of strength and toughness. Strengths and low temperature toughness can be improved with alloying additions. Low carbon NiMo grades for offshore applications offer good weldability and Charpys at -40°C

  • Typical Specifications: BS3100, A1:A2:A3:A4:A5:A6, ASTM A27, A216WCB, WCC, A148 70-40 and 80-50, ASTM A352 LCA, LCB, LCC, DIN/EN GS52, GS20 Mn5, GS24Mn6V
  • Properties & Heat treatment: Normalised or quenched and tempered.
  • Weldability: C <0.25% for good weldability, Higher C contents weldable with care and good control of preheat and PWHT.
C
Si
Mn
S
P
Cr
Ni
Mo
Other
Yield
MPa
UTS
MPa
UTS
MPa
Typical
0.25
0.35
1.5
0.04
0.025
Residual
-
300
520
520

 

International Specifications Equivalent to EN 1563:1997

Mechanical properties as measured on separately cast test bars.

Material Designation EN 1563 UK
BS 2789
1985
Germany
DIN 1693
1973
Netherlands
NEN 6002-D
1966
Italy
UNI 4544
1979
Sweden
SS 1407
1981
USA
ASTM A536
1993
international
ISO 1083
1987
Symbol Number
EN-GJS 350-22 EN JS1010 350-22           350-22
EN-GJS 350-22LT EN JS1015 350-22L40 GGG 35.3 GN 38 GS 370-17 17-15   350-22L
EN-GJS 400-18 EN JS1020 400-18   GN 42     60-40-18 400-18
EN-GJS 400-18LT EN JS1025 100-18L20 GGG 40.3     17-02   400-18L
EN-GJS 400-15 EN JS1030 420-12 GGG 40   GS 400-12 17-00 65-45-12 400-15
EN-GJS 450-10 EN JS1040 450-10         70-50-05 450-10
EN-GJS 500-7 EN JS1050 500-7 GGG 50 GN50 GS 500-7 27-02 80-55-06 500-7
EN-GJS 600-3 EN JS1060 600-3 GGG 60 GN60 GS 600-3 32-03 100-70-03 600-3
EN-GJS 700-2 EN JS1070 700-2 GGG 70 GN70 GS 700-2 37-01   700-2
EN-GJS 800-2 EN JS1080 800-2 GGG 80 GN80 GS 800-2   120-90-02 800-2
EN-GJS 900-2 EN JS1090 900-2           900-2

 

 

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