Stainless Steel Spring Wire

Techwire is in the position to offer a product range to spring manufacturers that will satisfy all types of requirements - even the most specific and exacting.

The wire can be supplied with a bright or coated surface finish, in accordance with Din17224, ASTM A313, BS2056; or with the support of our technical department we can satisfy any specific request from our customers.

To aid continuous production aerosol springs we can supply our wire on steel reels, but other packing is available – see our packing page.

Product / Grade Availability

AISI	BS	W.Nr.	EN 10088
302	302 S16	1.4310	X10CrNi18-8
304	304 S31	1.4301	X5CrNi18-10
316	304 S31	1.4401	X5CrNiMo17-12-2

Other grades available on request

Diameters

0.20mm thro to 10.00mm as standard

Smaller / Larger sizes available on request

Tolerances

In accordance with :- EN 10270-3 / DIN 2076/C
BS 2056

Supply Condition

We can supply your spring wire in the following conditions:-

Hard Drawn

Surface Finishes

Bright
Stearate Coated

Mechanical Properties

In accordance with :

ASTM A313
BS 2056
EN 10270-3 / DIN 17224

Grades and Chemical Composition

Grade	C	Si	Mn	P	S	Cr	Ni	Mo
302	0.05 / 0.15	2.00 max	2.00 max	0.045 max	0.03 max	16.00 / 19.00	6.00 / 9.50
304	0.07 max	1.00 max	2.00 max	0.045 max	0.03 max	17.50 / 19.50	8.00 / 10.50
316	0.07 max	1.00 max	2.00 max	0.045 max	0.03 max	16.50 / 18.50	10.00 / 13.00	2.00 / 2.50

Packing

Coils
Cardboard Coil (Z2)
Steel Reel
Spool
For further details - see our packing page.