Views: 0 Author: Site Editor Publish Time: 2025-01-07 Origin: Site
the name of a shop | SWRCH22A |
Corresponding standards | Cold drawn or cold heading carbon steel wire Carbon steels for cold heading--Wire rods |
sort out | carbon steel |
label | Aluminum quenched steel |
explain | The Cr content should not exceed 0.20%, in addition, the residual elements Cu and Ni should not exceed 0.30% and 0.20%, respectively Note: This standard does not specify the mechanical properties. The mechanical properties of the steel wire (SWCH22A) of this grade are specified in JIS G 3507-2. Purpose: For making fasteners |
SWRCH22A Chemical element composition content (%)
ingredient | C | Si | Mn | P | S | Al | |
least value | 0.18 | - | 0.7 | - | - | 0.02 | |
crest value | 0.23 | 0.1 | 1 | 0.03 | 0.035 | - |
SWRCH22A Mechanical properties
diameter d mm | tab | Heat treatment or condition | tensile strength σ b Mpa | reduction of area ψ % | hardness HBW | |
3<d≤4< pan=""> | SWCH22A(K) D | D | ≥690 | ≥45 | ||
4<d≤5< pan=""> | SWCH22A(K) D | D | ≥570 | ≥45 | ||
d> 5 | SWCH22A(K) D | D | ≥470 | ≥45 | HRB ≤98 | |
d <20 | SWCH22A(K) DA | DA | ≥440 | ≥55 | HRB ≤88 |
① Standard mechanical properties data from JIS G 3507-2-2005
②D indicates cold working of wire; DA indicates annealing of cold worked wire before further cold working, or annealing of wire followed by cold working
③ For steel wire with diameter d≥20mm, the value of section shrinkage rate is 5% lower than the value in the table. For diameter d <3mm, there is no specification for section shrinkage rate
④ wire: such as SWRCH22; wire: such as SWCH22
The first letter of the suffix of the ⑤ grade: such as SWRCH22A, SWCH22A, SWCH22K, SWCH6R, A indicates aluminum quenched steel, K indicates quenched steel, R indicates boiling steel
1 Approximate comparison table: Steel for cold heading and cold extrusion
Japan | international organization for standard | European standard | |
JIS | ISO | EN | Digital grade |
Approximate comparison table
China | Japan | America | international organization for standard | Germany | European standard | |||
GB | ISC | JIS | ASTM | ISO | DIN EN/DIN | W-Nr. | EN | Digital grade |
3 Approximate comparison table: steel for cold heading and cold extrusion
Japan | international organization for standard | European standard | |
JIS | ISO | EN | Digital grade |
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