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MATERIAL DATASHEET
Title:
070M20
Page 1 of 1
Material Grade: 070M20
Material Condition(s): Untreated / Normalised / Drawn
Surface Finish: As rolled / As forged / Bright drawn / Bright turned
Associated Standard: BS970
Description:
A general purpose mild steel for welded or riveted structures, forgings, machined parts, hot pressing, etc.
This steel will withstand a moderate amount of cold deformation and only offers low strength, but good
machinability.
Typical applications: Shafts, staybolts, brake, pedal levers, gear selectors, clutch and brake housing, motor car
wheel hubs, various motorcycle and scooter lug stampings, valve gate and body forgings,
wagon buffers, commutator screws, cage suspensions, general haulage gear
1. STEELMAKING
C Si Mn S P Cr* Ni* Mo*
Min 0.16 0.10 0.50
Max 0.24 0.40 0.90 0.05 0.05 0.30 0.40 0.15
(* denotes residual element)
2. TYPICAL MECHANICAL PROPERTIES
Test type
Tensile and hardness test (at room temperature)
Yield
(Re)
0.2 %
proof
UTS
(Rm)
Elong
(A)
R of A
(Z)
Hardness
Unit N/mm2 N/mm2 N/mm2 % % HB
Normalized
Min 215 430 21 126
Max 179
Drawn
Min 420 530 12
Max

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070m20 Low Carbon Steel (Mild Steel) - Hillfoot Multi Metals

  • 1. MATERIAL DATASHEET Title: 070M20 Page 1 of 1 Material Grade: 070M20 Material Condition(s): Untreated / Normalised / Drawn Surface Finish: As rolled / As forged / Bright drawn / Bright turned Associated Standard: BS970 Description: A general purpose mild steel for welded or riveted structures, forgings, machined parts, hot pressing, etc. This steel will withstand a moderate amount of cold deformation and only offers low strength, but good machinability. Typical applications: Shafts, staybolts, brake, pedal levers, gear selectors, clutch and brake housing, motor car wheel hubs, various motorcycle and scooter lug stampings, valve gate and body forgings, wagon buffers, commutator screws, cage suspensions, general haulage gear 1. STEELMAKING C Si Mn S P Cr* Ni* Mo* Min 0.16 0.10 0.50 Max 0.24 0.40 0.90 0.05 0.05 0.30 0.40 0.15 (* denotes residual element) 2. TYPICAL MECHANICAL PROPERTIES Test type Tensile and hardness test (at room temperature) Yield (Re) 0.2 % proof UTS (Rm) Elong (A) R of A (Z) Hardness Unit N/mm2 N/mm2 N/mm2 % % HB Normalized Min 215 430 21 126 Max 179 Drawn Min 420 530 12 Max