Spring Steel Wire
è Medium Wire
è High Carbon
è Oil tempered Alloy Steel Wire
Stainless Steel Wire

 

 

 

 

 

 

Techno Spring manufactures variety of springs with different type of wires including music wire, hard drawn, oil tempered alloyed steel and stainless steel.

 
  Spring Steel – Medium Carbon Wire  
  Indian Standard
è

IS 4454 Part I, Grade-2

 
Equivalent International Standards
è
ASTM A 227
UNI 3823 Class B
DIN 17223-1-1.0600
DIN 2076-B
EN 10270-1(SM, DM)
JIS-3522
Chemical Composition
   

Carbon(C)

:
0.60-0.85
Manganese (Mn)
:
0.80 Max
Silicon (Si)
:
0.15-0.35
Phosphorus (P)
:
0.04 Max
Sulphur(S)
:
0.04 Max
Our Source
USHA MARTIN, TATA STEELS
Spring Steel - High Carbon
Indian Standard
è

IS 4454 Part I Grade 3

Equivalent International Standards
è
ASTM A 228

UNI-3823 Class C

DIN 17223-1-1.0200

DIN 2076-C

EN 10270-1-(SH, DH)
JIS – 3522
Chemical Composition

Carbon(C)

:
0.75-1.00
Silicon (Si)
:
0.15-0.35
Manganese (Mn)
:
0.80 Max
Phosphorus (P)
:
0.03(Max)
Sulphur (S)
:
0.03(Max)
Our Source
USHA MARTIN, TATA STEELS
Spring Steel – Oil tempered Alloy Steel Wire
Indian Standard
è

IS 4454 Part III, Grade-2D (Chrome Silicon)

Equivalent International Standards
è
ASTM A-401
DIN-17223-2 FDSiCr
DIN-17223-2-VDSiCr

EN-10270-2 FDSiCr

EN 10270-2-VDSiCr
Chemical Composition

Carbon(C)

:
0.50-0.60
Silicon (Si)
:
1.20-1.60
Manganese (Mn)
:
0.50-0.80
Chromium (Cr)
: 0.50-0.80
Our Source
FAR SPA-ITALY, JOH PENGG-AUSTRIA.
Stainless Steel Wire
Indian Standard
è

IS 4454 part-IV Gr- 1 & 2

Equivalent International Standards
è
AISI 302
AISI 304
ASTM A 313
DIN 17224
EN 10270-3
Chemical Composition
   
GR-1
GR-2
Carbon(C)
:
0.15 Max 0.09 Max
Silicon (Si)
:
1.00 Max

1.00 Max

Manganese (Mn)
:
2.00 Max 1.00 Max
Chromium (Cr)
: 17-19 16.00-18.00
Nickel(Ni)
:
8-10 6.75-7.75
Our Source

RAJ RATNA METAL INDUSTRIES, AB SANDVIK MATERIAL TECHNOLOGIES, SWEDEN

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