We have over 300 Ton of permanent stock in different grades in order to answer as fully as possible to your request. Furthermore, our storage area is fully adapted for the purpose to preserve the raw material.
You will find below all the details of the major raw material used and associated norms.

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Raw material

Carbon steel

material designation advantages / applications
european german american Corrosion Protection T° Max of utilisation application
EN 10270-1 DIN 17223-1 ASTM
SM B A227 low 100°C Springs with low static solicitation
SH C A228 low 100°C Springs with medium static solicitation
DH D A228 low 100°C Springs with high and dynamic static solicitation
CLASS 2 CLASS 2 - low 100°C Springs with high static solicitation, under oscillating stress

Tempered oil steel

material designation advantages / applications
european german american Corrosion Protection T° Max of utilisation application
EN 10270-2 DIN 17223-2 ASTM
FDCrSI FDCrSI A401 low 200°C Application for static springs
TDCrSi TDCrSi A 1000-5 Grade A low 200°C Application for springs with medium dynamic solicitation ( type of springs as clutch)
VDCrSi VDCrSi A 877 low 200°C Application for springs with severe dynamic solicitation (Types springs for Valves)

Stainless steel

material designation advantages / applications
european german american Corrosion Protection T° Max of utilisation application
EN 10270-3 DIN 17224 AISI
1,4310 NS - 1,4310 HS X10CrNi18-8 302 NS - 302 HS medium 250°C - 300°C Normal corrosion protection- for all applications
1,4401 X5CrNiMo17-12-2 316 - 316 L good 300°C Normal corrosion protection - food environment/medical etc…
1.4301 X5CrNi18-10 304 - 304 L good 300°C Normal corrosion protection - food environment/medical etc…
1,4568 X7CrNiAl17-7 17.7 PH medium 350°C Corrosion protection slightly high with a good temperature resistance
1,4539 X1NiCrMoCu25-20-5 904 L excellent 300°C Upgraded crorrosion protection compare to 316L-304L

Specific alloy

material designation advantages / applications
european german american Corrosion Protection T° Max of utilisation application
EN 12166 NF A 51-108 ASTM B103
CuBe2 CuBe C17200 good 180°C Copper Beryllium is a grade with good characteristics for electrical conductance
EN 1652 DIN 17662 ASTM B103
Cu Sn 6 Cu Sn 6 C 51900 good 100°C Phosphor bronze, good corrosion protection
Werkstoff DIN 17224 UNS
INCONEL X750 (2,4669) NiCr15Fe7TiAl N 07750 excellent 600°C Very good protection to cryogenic temperature. High temperature dynamic applications
316 TI (1,4571) X6 CrNiMoTi 17,12 316 Ti good 400°C Better corrosion protection at high temperature compare to stainless steel 316
NIMONIC 90 (2.4632) NiCr20Co18Ti N 07090 excellent 600°C Good corrosion protection and oxidation at high temperature