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CS70 Carbon Spring Steel

1.1231

Introduction

CS70 is a grade within BS1449. 

It is the equivalent to C67S and AISI /SAE 1070. 

Considered a high carbon steel is used in the manufacture of springs,In the annealed condition (normally 185 vpn max)  it can be pressed, formed etc. and is normally hardened and tempered after shaping operations. We hold stock from 0.20mm through to 3.25mm. Whilst we can supply single sheets our minimum quantity for strip in coil is 10 kilos

An alternative grade for light spring manufacturing, without the necessity to heat treat after forming is 301 spring temper stainless. BSS stock a wide range of 301. If you need more information call us.

Download Factsheet

Composition

Carbon0.65-0.75%Phosphorous0.045% max
Manganese0.50-0.90%Sulphur0.045% max
Silicon0.05-0.35%

Our range

We supply CS70 annealed in a range of sheet sizes, from 0.3mm to 3mm thick.

Please contact us on 0114 244 0527 (option 2) to make an enquiry.

We do not supply Mill Certificates with orders, we only supply Certificates of Conformity.

Contact Us

Tel: 0114 244 0527 
Fax: 0114 244 5922  


Email: bss@steelstrip.co.uk

Office hours:

Mon- Thu: 0830 – 1700

Fri: 0830 – 1600

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Find your steel

Carbon Spring Steel

CS70

CS80

CS95

CS100

75Cr1

80CrV2

Stainless Steel

301 Austenitic Stainless Steel

420 Martensitic Stainless Steel

Mild Steel

CS4 Mild Steel

Tool Steel

Tool Steel

Next Day Delivery

Available on all stock orders placed before 12 midday.

Next Day Delivery available on all orders from stock
Copyright © 2021 Fernite of Sheffield Ltd.   BSS Spring Steel Strip is a trading style of Fernite of Sheffield Ltd. Fernite Works, Coleford Road, Sheffield S9 5NJ.
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