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Introduction
Products
Screw
Steel wire
Procedure
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Annealing Product
Product Name
Available Size
Steel Grade
Process Code
Production Process
WIRE
¢ 2.3mm.- ¢ 26.0mm.
SWRCH
18A,22A,35K, 38K,45K
SCM
420,435,440
35ACR,40ACR
SAF
AS-Rolled
Drawing
Spheroideze Annealing
Pickling
Phosphate Coating
SAIP
AS-Rolled
Drawing
Spheroideze Annealing
Pickling
Phosphate Coating
Skin Pass
Material of Tapping
MATERIAL MARK:
Chemical composition
(%)
C
Mn
Si ≤
P ≤
S ≤
SWRCH10A
0.08-0.13
0.30-0.60
0.10
0.045
0.045
SWRCH18A
0.15-0.20
0.60-0.90
0.10
0.030
0.035
SWRCH22A
0.18-0.23
0.70-1.00
0.10
0.030
0.035
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