Steel wire for technical springs

Westfälische Drahtindustrie manufactures steel wire for springs for use in a wide range of applications:
automotive, mechanical engineering, window and door equipment, agricultural technology, furniture industry, screen wire for the filter industry, various industrial products.

Product description

Spring steel wire for technical springs - EN 10270-1

Surfaces

phosphated | galvanised | borax-coated | ZnAl-coated

Types	Design	Wire-∅
Type SL	bright/phosphated	0,35 - 13,00 mm
	borax-coated	2,00 - 13,00 mm
	galvanised	0,35 - 11,00 mm
Types SM/DM	bright/phosphated	0,35 - 13,00 mm
	borax-coated	2,00 - 13,00 mm
	galvanised	0,35 - 11,00 mm
	ZnAl	0,60 - 4,49 mm
Types SH/DH	bright/phosphated	0,35 - 13,00 mm
	borax-coated	2,00 - 13,00 mm
	Galvanised	0,60 - 11,00 mm
	ZnAl	0,60 - 4,49 mm

Spring steel qualities
Name	Standard	Application
SL	EN 10270-1	Light static strain
SM	EN 10270-1	Medium static strain
SH	EN 10270-1	High static strain
DM	EN 10270-1	Dynamic static strain
DH	EN 10270-1	Dynamic high strain

Chemical analysis
Name	Standard	DIN	C %	Si %	Mn %	Cu %
SL	EN 10270-1	Type A	0.35 - 1.00	0.10 - 0.30	0.50 - 1.20	< 0.20
SM	EN 10270-1	Type B	0.35 - 1.00	0.10 - 0.30	0.50 - 1.20	< 0.20
SH	EN 10270-1	Type C	0.35 - 1.00	0.10 - 0.30	0.50 - 1.20	< 0.20
DM	EN 10270-1		0.45 - 1.00	0.10 - 0.30	0.50 - 1.20	< 0.12
DH	EN 10270-1	Type D	0.45 - 1.00	0.10 - 0.30	0.50 - 1.20	< 0.12

Materials / DIN EN

Unalloyed steel according to EN 10016 / EN ISO 16120

Styles | Forms of delivery

Fabrication rings
Z-2 coils	350 - 500 kg
Z-3 coils (with/without cardboard core)	750 - 1,000 kg
coils (with/without cardboard core)	1,000 - 2,500 kg
Formers	750 - 2,500 kg
Rosette coils (with cardboard core)	750 - 1,200 kg
Steel and plastic coils