|
|
Á¦Á¶°øÁ¤
|
|
|
Picking & Coating
|
ÈÇйÝÀÀÀ» ÀÌ¿ëÇÏ¿© Wire RodÀÇÇ¥¸é¿¡ ÀÖ´Â ScaleÀ» Á¦°ÅÇÏ°í,
½Å¼±°¡°øÀÇ ¸¶Âû°è¼ö¸¦ ÁÙÀ̱â À§ÇÑ À±È°ÇǸ·À» ¼ÒÀçÀÇ Ç¥¸é¿¡
Çü¼º½ÃÅ°´Â °øÁ¤
|
|
Intermediate Drawing
|
Â÷±â °øÁ¤À» À§ÇÑ ¹ÝÁ¦Ç° °¡°øÀÌ¸ç ¿Ã³¸®½Ã ±¸»óÈÀ²À» ³ôÀÌ´Â È¿°ú°¡ ÀÖÀ¸¸ç
(Supply Stand + Drawing M/C +
Take up)À¸·Î ±¸¼ºµÈ ½Å¼±±â¿¡ ÀÇÇÏ¿© Coil »óÅÂÀÇ ¹ÝÁ¦Ç°À» ¾ò´Â °øÁ¤ |
|
Spheroidized Annealing
|
³Ã°£°¡°øÀÌ ¿ëÀÌÇϵµ·Ï ¼ÒÀç³»ÀÇ ÅºÈ¹°À» ±¸»óÀ¸·Î ¸¸µå´Â °øÁ¤À̸ç
¼ÒÀç°¡ ¿Ã³¸®·Î¿¡ ÀåÀԵǸé (°¡¿-ºÐÀ§±â Á¶¼º-³Ã°¢)¼øÀ¸·Î 󸮵ȴÙ. |
|
Skin Pass
|
¼ö¿ä°¡°¡ ¿ä±¸ÇÏ´Â ¹°¼ºÄ¡-Ä¡¼ö ¹× °µµÀÇ Á¦Ç°À» ¸¸µå´À °øÁ¤À̸ç
½Å¼±±â¿¡ ÀÇÇÏ¿© Coil »óÅÂÀÇ Á¦Ç°À¸·Î »ý»êµÇ´Â °øÁ¤ |
|
°Á¾º° Ç°ÁúƯ¼º
|
±â°èÀû ¼ºÁú¿¡ ÀÇÇÑ ºÐ·ù
|
Class Symbol
|
Process |
T/S (ÀÎÀå°µµ) |
HRB (°æµµ) |
Remarks |
SWCH25K |
SA |
46 under |
72 under |
SKP:5% max. WD:15% max. |
(R)AIP |
72 under |
97 under |
(S)AIP |
68 under |
94 under |
SAF |
46 under |
72 under |
SAIP |
50 under |
85 under |
SWCH45K |
SA |
54 under |
82 under |
SKP:5% max. WD:15% max. |
(R)AIP |
72 under |
97 under |
(S)AIP |
68 under |
94 under |
SAF |
54 under |
86 under |
SAIP |
56 under |
92 under |
PSASAIP |
54 under |
86 under |
SCM435 |
SA |
58 under |
86 under |
SKP:5% max WD:15% max |
(R)AIP |
75 under |
99 under |
(S)AIP |
72 under |
97 under |
PASAF |
56 under |
92 under |
PASAIP |
58 under |
92 under |
PSASAIP |
56 under |
90 under |
|
|
ÈÇмººÐ¿¡ ÀÇÇÑ ºÐ·ù
|
Class
Symbol |
Chemical
Composition(%) |
Remarks |
C |
Si |
Mn |
P |
S |
AI |
SWRCH 6A |
0.08 max |
0.10 max |
0.30-0.60 |
0.030 max. |
0.035 max. |
0.02 min. |
Aluminium Killed Steel |
SWRCH 8A |
0.10 max |
0.10 max |
0.30-0.60 |
0.030 max. |
0.035 max. |
0.02 min. |
SWRCH 10A |
0.08-0.13 |
0.10 max |
0.30-0.60 |
0.030 max. |
0.035 max. |
0.02 min. |
SWRCH 12A |
0.10-0.15 |
0.10 max |
0.30-0.60 |
0.030 max. |
0.035 max. |
0.02 min. |
SWRCH 15A |
0.13-0.18 |
0.10 max |
0.30-0.60 |
0.030 max. |
0.035 max. |
0.02 min. |
SWRCH 16A |
0.13-0.18 |
0.10 max |
0.60-0.90 |
0.030 max. |
0.035 max. |
0.02 min. |
SWRCH 18A |
0.15-0.20 |
0.10 max |
0.60-0.90 |
0.030 max. |
0.035 max. |
0.02 min. |
SWRCH 19A |
0.15-0.20 |
0.10 max |
0.70-1.00 |
0.030 max. |
0.035 max. |
0.02 min. |
SWRCH 20A |
0.18-0.23 |
0.10 max |
0.30-0.60 |
0.030 max. |
0.035 max. |
0.02 min. |
SWRCH 22A |
0.18-0.23 |
0.10 max |
0.70-1.00 |
0.030 max. |
0.035 max. |
0.02 min. |
SWRCH 10K |
0.08-0.13 |
0.10 max |
0.30-0.60 |
0.030 max. |
0.035 max. |
- |
Killed Steel |
SWRCH 12K |
0.10-0.15 |
0.10-0.35 |
0.30-0.60 |
0.030 max. |
0.035 max. |
- |
SWRCH 15K |
0.13-0.18 |
0.10-0.35 |
0.30-0.60 |
0.030 max. |
0.035 max. |
- |
SWRCH 16K |
0.13-0.18 |
0.10-0.35 |
0.60-0.90 |
0.030 max. |
0.035 max. |
- |
SWRCH 17K |
0.15-0.20 |
0.10-0.35 |
0.30-0.60 |
0.030 max. |
0.035 max. |
- |
SWRCH 18K |
0.15-0.20 |
0.10-0.35 |
0.60-0.90 |
0.030 max. |
0.035 max. |
- |
SWRCH 20K |
0.18-0.23 |
0.10-0.35 |
0.30-0.60 |
0.030 max. |
0.035 max. |
- |
SWRCH 22K |
0.18-0.23 |
0.10-0.35 |
0.70-1.00 |
0.030 max. |
0.035 max. |
- |
SWRCH 24K |
0.19-0.25 |
0.10-0.35 |
1.35-1.65 |
0.030 max. |
0.035 max. |
- |
SWRCH 25K |
0.22-0.28 |
0.10-0.35 |
0.30-0.65 |
0.030 max. |
0.035 max. |
- |
SWRCH 27K |
0.22-0.29 |
0.10-0.35 |
1.20-1.50 |
0.030 max. |
0.035 max. |
- |
SWRCH 30K |
0.27-0.33 |
0.10-0.35 |
0.60-0.90 |
0.030 max. |
0.035 max. |
- |
SWRCH 33K |
0.30-0.36 |
0.10-0.35 |
0.60-0.90 |
0.030 max. |
0.035 max. |
- |
SWRCH 35K |
0.32-0.38 |
0.10-0.35 |
0.60-0.90 |
0.030 max. |
0.035 max. |
- |
SWRCH 38K |
0.35-0.41 |
0.10-0.35 |
0.60-0.90 |
0.030 max. |
0.035 max. |
- |
SWRCH 40K |
0.37-0.43 |
0.10-0.35 |
0.60-0.90 |
0.030 max. |
0.035 max. |
- |
SWRCH 41K |
0.36-0.44 |
0.10-0.35 |
1.35-1.65 |
0.030 max. |
0.035 max. |
- |
SWRCH 43K |
0.40-0.46 |
0.10-0.35 |
0.60-0.90 |
0.030 max. |
0.035 max. |
- |
SWRCH 45K |
0.42-0.48 |
0.10-0.35 |
0.60-0.90 |
0.030 max. |
0.035 max. |
- |
SWRCH 48K |
0.45-0.51 |
0.10-0.35 |
0.60-0.90 |
0.030 max. |
0.035 max. |
- |
SWRCH 50K |
0.47-0.53. |
0.10-0.35 |
0.60-0.90 |
0.030 max. |
0.035 max. |
- |
|
|
|
Ç°Áúº¸Áõ¹üÀ§
|
Ä¡¼ö (Dimenstion)
|
°øÁ¤±âÈ£ |
¼± °æ |
Çã¿ëÂ÷ |
Æí°æÂ÷ |
R, RA, SA |
10 ÀÌÇÏ 10 ~ 16 16 ÃÊ°ú |
± 0.4 ± 0.4 ± 0.5 |
0.4 ÀÌÇÏ 0.5 ÀÌÇÏ 0.6 ÀÌÇÏ |
AIP, SAIP PASAIP PSASAIP |
10 ÀÌÇÏ 10 ~ 16 16 ÃÊ°ú |
0, -0.03 0, -0.04 0, -0.05 |
0.01 ÀÌÇÏ 0.015 ÀÌÇÏ 0.025 ÀÌÇÏ |
SAF, PASAF |
10 ÀÌÇÏ 10 ~ 16 16 ÃÊ°ú |
± 0.3 ± 0.4 ± 0.5 |
0.03 ÀÌÇÏ 0.04 ÀÌÇÏ 0.05 ÀÌÇÏ |
Hexagonal |
10 ÀÌÇÏ 10 ~ 16 16 ÃÊ°ú |
0, -0.08 0, -0.09 0, -0.10 |
0.02 ÀÌÇÏ 0.025 ÀÌÇÏ 0.03 ÀÌÇÏ |
|
|
ŻźÁ¤µµ (Decarburization Depth)
|
±â È£ |
ź¼Ò° |
Çձݰ |
°ø Á¤ |
¼±°æ(mm) |
DM-F |
DM-T |
DM-F |
DM-T |
RA, SA |
10 ÀÌÇÏ 10 ÃÊ°ú |
0.04 0.05 |
0.15 0.20 |
0.04 0.05 |
0.15 0.20 |
SAF, PASAF |
8 ÀÌÇÏ 8 ~ 14 14 ~ 20 20 ÃÊ°ú |
0.04 0.05 0.06 0.07 |
0.15 0.20 0.20 0.25 |
0.03 0.04 0.05 0.06 |
0.12 0.15 0.20 0.25 |
SAIP PASAIP |
8 ÀÌÇÏ 8 ~ 14 14 ~ 20 20 ÃÊ°ú |
0.03 0.04 0.05 0.06 |
0.12 0.15 0.20 0.20 |
0.02 0.03 0.04 0.05 |
0.10 0.12 0.15 0.20 |
|
* DM-F : Decarburization Microscope Ferrite * DM-T : Decarburization
Microscope Total |
|
±¸»óÈÀ² (Spheroidized Ratio)
|
°øÁ¤±âÈ£ |
±¸»óÈÀ²(%) |
RA, (R)AIP |
- |
SA, (S)AIP, SCD |
70 ± 10 |
SAF, SAIP, PASAF, PASAIP |
80 Over |
PSASAIP |
90 Over |
|
|
±â°èÀû ¼ºÁú (Mechanical Properties)
|
° Á¾ |
°øÁ¤±âÈ£ |
ÀÎÀå°µµ (Kg/§±) |
´Ü¸é¼öÃàÀ² (%) |
ºñ °í |
SWCH45K |
RA SA (R)AIP (S)AIP SAF SAIP PSASAIP |
64 ÀÌÇÏ 60 ÀÌÇÏ 72 ÀÌÇÏ 68 ÀÌÇÏ 58 ÀÌÇÏ 62 ÀÌÇÏ 56
ÀÌÇÏ
|
60 ÀÌ»ó 63 ÀÌ»ó 55 ÀÌ»ó 60 ÀÌ»ó 65 ÀÌ»ó 62 ÀÌ»ó 65 ÀÌ»ó |
´Ü¸é°¨¼ÒÀ² 12%Max |
|
|
|
|