For your assistance we have provided the information below regarding the specifications of the metals and alloys we use in our manufacturing processes. Please note that our specifications are for guidance only.
Please contact us for individual requirements as these will vary dependant on your product and chosen material.
Our casting tolerance guide can be found here.
We are able to supply investment casting parts in the UK from 6mm, up to 400mm and to a weight of 5kg.
Our partner foundry in China is able to produce parts up to one cubic metre, and up to 120kg for ferrous and 40kg for non-ferrous metals.
SPECIFICATION | GRADE | TYPE OF STEEL | AISI | BS3100:1976 | BS970:1972 | CHARACTERISTICS & TYPICAL APPLICATIONS |
CLA 1 | A | Carbon Steels | C1020/1/2/3 | A1 | 050A22 | Plain carbon steels with a range of tensile properties (via heat-treatment) with good ductility for low and medium strength applications eg. brackets, housing , links |
B | C1030 | A2 | 060A32 | |||
C | C1040 | A3 | 060A42 | |||
CLA 2 | 1.5% Min Steel | C1027 | A4 | 150M19 | Superior properties to plain carbon steel medium stength applications where degree of shock resistance required eg links and levers. | |
CLA 3 | 145-55 ton 700-850N/mm2 Alloy Steel | 9840 | BT1 | 816M40 | A range of tensile strengths possible with good ductility and shock resistance. Readily machineable. Medium and high strength applications where ductility shock and fatigue strength required eg brackets, levers, airframe parts, hydraulic machinery. | |
CLA 4 | 155-65 ton 850-1000N/mm2 Alloy Steel | 4337 | BT2 | 823M30 | ||
CLA 5 | A | High Tensile Steels | 826M31(Z) | |||
B | ||||||
CLA 7 | 3% Cr Mo Steel | B4 | 722M24 | Medium strength, good ductility and resistance to thermal shock. Useful corrosion and creep resistance for parts operating up to 400 degrees celcius. | ||
CLA 8 | Carbon Steel Surface Hardening | C1040 | AW2 | 060A40 | Local or surface hardening to minimum 500HV but retaining good core strength. Pawls, ratchets, triggers. | |
CLA 9 | Carbon Steel Case Hardening | C1060 | AW1 | 080A15 | Low carbon case hardening for carburising or cyanide treatment. Low tensile core gives good shock resistance. Ratchets, operating levers. | |
CLA 10 | 3% Ni Case Hardening Steel | Carburising or cyanide hardening with tough core and reasonable shock resistance. Reciprocating or intermittent loading - high speed connecting links and levers. | ||||
CLA 11 | 3% Cr Mo Nitriding Steel | B4 | 722M24 | Nitride hardening to 900HV retaining high strength core, good ductlity and shock resistance. Moving parts with wear resistance- crack pins and shafts, sewing machine loopers. | ||
CLA 12 | A | 1% Cr Abrasion Resisting Steel | 5147 | BW2 | Steels with capability of good hardness and wear resistance.Grades B and C suitable for heavy duty conditions. | |
B | 5147 | BW3 | ||||
C | 4150 | BW4 | ||||
CLA 13 | Ni Mo Steel | 4617 | 665H17 | Case carburising, medium strength core and reasonable shock resistance. Alternative to CLA 10. |
SPECIFICATION | GRADE | AISI | BS970 BRITISH/USA | CHARACTERISTICS & TYPICAL APPLICATIONS |
ANC 1 | A | 403 | 410C21 | Medium corrosion resistance and a range of strengths and hardnesses. ANC 1A - Chemical industry. High ductility engineering parts. ANC 1B - Heat resistant parts not highly stressed. ANC 1C - Cutting blades, pumps, steam turbines. |
B | 420 | 420C29 | ||
C | 420 | - | ||
BS3100:1976* | ||||
ANC 2 | 431 | S80 | High tensile stainless with improved corrosion resistance. Resists oxidising atmospheres to 760°C. Pumps, valves, highly stressed aircraft and engine parts. | |
BS3100:1976* | ||||
ANC 3 | A | 304 | 304C15 | ANC 3A - Corrosion and acid resistant stainless, excellent stability to 225°C. Chemical, textile, dairy food industries eg pumps and valves. ANC 38 - Weldable version usable up to 800°C. Some exhaust and marine parts. Corrosion/acid resisting parts not heat-treated after welding. |
B | 347 | 347C17 | ||
ANC 4 | A | 317 | 317C16 | Good corrosion and acid resistance with medium tensile strength. Chemical and processing industries - valves/pumps for acids at high temperature, chlorides and salts. |
B | 316 | 316C16 | ||
C | 318 | 318C17 | ||
ANC 5 | A | 310 | 310 C45 | Heat resistant alloys. Resistant to cydic heating and useful creep strength up to 650°C. Good resistance to scaling. Furnace parts, salt and lead baths. |
B | 330 | 331C60 | ||
C | 334C11 | |||
ANC 6 | A | 309 | 309C30 | Heat resistant with good strength up to 900°C and useful creep strength up to 650°C. Heat treatment parts and superheaters, welding fixtures, nozzle guide vanes for gas turbines. |
B | - | 309C30 | ||
C | - | |||
ANC 19 | - | - | PE 10 | High strength, precipitation hardening alloy. Resistant to thermal shock & oxidation. Applications include diesel engine combustion chamber sleeves. |
- | - | MC 102 | ||
ANC 20 | A | - | PV 520 | High strength with good corrosion resistance, good weldability. Variety of strength depending on heat treatment. Aerospace and marine parts. |
B | - | FV 520 | ||
ANC 21 | - | - | - | Good corrosion resistance. Marine applications |
ANC 22 | - | - | - | Components with high strength,heat and corrosion resistance: mechanical engineering, automotive industry, building and construction industry, chemical and food industry, aviation and aerospace, marine. |
SPECIFICATION | CHARACTERISTICS & TYPICAL APPLICATIONS |
INCONEL 625 (CW6MC) | Good casting alloy with excellent machining and bearing properties. Aero- and land-based turbine engine parts |
INCONEL 600 | These products have been used typically for parts requiring oxidation resistance, but useful at the higher temperatures only when stresses are low, and where such parts may require welding during fabrication, but usage is not limited to such applications. Strength at elevated temperatures is similar to that of 18-8 type steels. |
INCONEL 601 | Heat treating baskets and fixtures, radiant furnace tubes, strand - annealing tubes, thermocouple protection tubes, and furnace muffles and retorts. Thermal reactors for controling automotive emissions. |
HASTELLOY® X | Exceptional oxidation resistance. Highly resistant to stress corrosion cracking in petrochemical applications. |
HASTELLOY® B | Used typically for parts, such as exducers and fans, requiring good corrosion resistance and strength, usage is not limited to such applications.Gas turbine bolting and shafting. |
HASTELLOY® C | Primarily for parts and assemblies, such as turbine rotors, shafts, blades, and bolts, requiring high strength up to 1500°F (816°C) and oxidation resistance up to 2000°F (1093°C). |
HASTELLOY® D / ANC 17 | Good corrosion resistance, particulary when used with hot sulphric acid. Used in chemical plant components. |
STELLITE 6 | Hard alloy, very wear resistant at high temperatures. General-purpose wear resistance applications. Valve seats and gates, pump shafts and bearings, erosion shields and rolling couples. |
STELLITE 8 / ANC 14 | High strength and heat resistant alloy. Good resistance to oxidation and corrosion at high temperatures. Typical applications are impellers, gas turbines, valves at high service temperatures. |
STELLITE 31 | A cobalt base superalloy with high wear and corrosion resistance, excellent stress-rupture properties, resistance to thermal and mechanical shock and corrosion resistance. It is commonly used in the hottest sections of industrial gas turbines. |
C242 HAYNES / ANC11 | Medium strength alloy, excellent resistance to oxidation and thermal fatigue at temperatures over 1000°C. Good thermal shock resistance upto 1100°C. Typical application is Gas turbine stator blades. |
HS188 | High strength and oxididation resistance. |
SPECIFICATION | BS | TYPE | HEAT TREATMENT CONDITION | CHARACTERISTICS & TYPICAL APPLICATIONS |
ZA12 | ZINC | NOT HEAT TREATED | Good casting alloy with excellent machining and bearing properties. |
SPECIFICATION | BS | TYPE | HEAT TREATMENT CONDITION | CHARACTERISTICS & TYPICAL APPLICATIONS |
LM25 | BS1490 | Al/Si/Mg | M | Useful general purpose alloy with a range of mechanical properties achieved by variations in heat treatment. Good corrosion resistance and pressure tight properties. Excellent castability. |
TE | ||||
TB7 | ||||
TF | ||||
LM4 | Al/Si/Mg | TF | Useful general purpose alloy with a range of mechanical properties achieved by variations in heat treatment. Typical applications include crankcases, gear boxes, clutch cases etc. | |
356 | Al/Si/Mg | T61 | Useful general purpose alloy with good strength and corrosion resistance. Good castability. | |
T6 | ||||
A356 | Al/Si/Mg | T6 | Comparable alloy to L99. | |
A357 | BSL169 | Al/Si/Mg | T6 | Comparable to A356 and BS L99, but exhibiting higher strength. Widely used for structural applications where premium quality is required. |
TF |
