Wide Range of Stock Materials

EN10270-2 FDSiCr / TDSiCr / VDSiCr / ASTM A401 / ASTM A8777
Oil-hardened and tempered silicon chrome wire is engineered for high strength, durability, and resilience. The heat treatment process enhances its tensile strength, fatigue resistance, and elasticity, ensuring reliable performance in demanding applications. It is available in 3 different grades FD,VD and TD. We also carry OTEVA 70 & ASTM A877 which are further refined products used dynamic settings where surface quality is paramount.
Recommended max operating temperature: 250 ⁰C

BS1429 735 A50 / BS970 735 A51 / EN10089 51CrV4
Chrome Vanadium alloy spring steel is a high-performance steel tailored for demanding spring applications. Alloyed with chromium and vanadium, it delivers superior fatigue resistance, high tensile strength, excellent shock and wear resistance alongside reliable performance under cyclic loads or moderate operating temperatures. Hardened and tempered post coil to meet specific tensile requirements.
Recommended max operating temperature: 220⁰C

Grade 302 – BS2056 302S26 / EN 10270-3 / X10CrNi18-8 (1.4310)
Austenitic 18/8 chromium-nickel alloy.
Offers good corrosion resistance and high tensile strength allowing for good all round spring properties. Slightly magnetic in spring temper condition. Recommended max operating temperature: 280⁰C (550⁰F).

Grade 316 – BS2056 316S42 / EN 10270-3 / X5CrNiMo17-12-2 (1.4401)
Austenitic chromium-nickel-molybdenum alloy.
Superior pitting and crevice corrosion resistance (especially in chlorides / marine environments), compared to 302.
Slightly lower tensile strength. Suited for aggressive, corrosive conditions. Recommended max operating temperature: 280⁰C (550⁰F).

Grade 17/7 PH (BS2056 17/7PH / AISI 631 / EN 1.4568
Semi-austenitic precipitation-hardening alloy.
Combines 302 level corrosion resistance with very high strength / hardness (comparable to carbon steel) in addition to excellent fatigue resistance after cold work and age hardening (CH900). Perfect for high stress application where corrosion is a concern. Recommended max operating temperature: 343⁰C

Grade 17/4 PH (AISI 630 / UNS S14700)
Martensitic precipitation-hardening alloy.
Provides high strength, good corrosion resistance (similar to 302) and toughness with low distortion after heat treatment. Can be age hardened to various conditions: (H900 / H925 / H1150 / H1150 + 1150). Used in select retaining and medium / high load applications. Recommended max operating temperature: 343⁰C).

Inconel X750 (AMS 5667, 5671 5698, 5699) / ASTM B637 / NACE MR 0175)
Precipitation-hardenable nickel-chromium alloy.
High strength, excellent corrosion/oxidation resistance and superior relaxation resistance. Age hardenable in three conditions: No.1 Temper, Spring Temper and Spring Temper (3 part), all offering a combination of strength and heat resistance ranging from 370⁰C to 550⁰C.

Inconel 600 (AMS 5665 / 5687 – BS3075 NA14 / ASTM B166 )
Solid-solution nickel-chromium-iron alloy.
Outstanding oxidation/corrosion resistance at high temperatures, including chloride stress-corrosion cracking immunity. Moderate tensile strength offering good spring properties for high temperature static conditions. Recommended max operating temperature: 1000⁰C (1830⁰F).

Inconel 718 (AMS 5662 / 5663 / 5832 / 5962 / NACE MR 0175)
Precipitation-hardenable nickel-chromium-niobium-molybdenum alloy
Exceptional tensile/ yield strength, creep-rupture resistance and fatigue life. Age hardenable to various conditions: No.1 Temper & Spring Temper. Recommended max operating temperature: 550⁰C

Nimonic 90 (BS3075 NA19 / AMS 5829 / NACE MR 0175)
Precipitation-hardenable nickel-chromium-cobalt alloy.
Extreme high temperature strength, creep/stress-rupture resistance and oxidation/corrosion protection.
Recommended operating temperature: 550⁰C (maintaining mechanical integrity to temps in the region of 950⁰C)

Elgiloy / Phynox (AMS 5833, 5834, 5876 / NACE MR 0175)
Precipitation-hardenable cobalt-chromium-nickel-molybdenum alloy.
Ultra high strength with exceptional corrosion resistance (Sea water, acids, sour gas). Non-magnetic and offers superior fatigue life characteristics.
Recommended operating temperature: 450⁰C (840⁰F)

MP35N (AMS 5833, 5834, 5876 / NACE MR 0175)
Precipitation-hardenable cobalt-chromium-nickel-molybdenum alloy.
Ultra high strength with exceptional corrosion resistance (hydrogen sulphide, chlorides and sour gas). Non-magnetic and offers superior fatigue life characteristics similar to Elgiloy.
Recommended operating temperature: 315⁰C (600⁰F)

Phosphor Bronze (BS2874 PB102 / CW451K / CuSn5)
High-strength phosphor bronze alloy composed of copper with around 5% tin and a small amount of phosphorus. Offers excellent corrosion resistance, good wear properties, and high fatigue strength, making it ideal for electrical components, springs, bearings, and marine applications. PB102 is also known for its good machinability and solderability, making it a versatile choice in engineering and manufacturing.
Recommended operating temperature: 150⁰C – 200⁰C