압연 봉재 - 각종별 화학성분
(주)고려철강은 (주)세아베스틸, (주)세아창원특수강, (주)세아특수강의 제품을 공급받는 대리점입니다.
탄소강
탄소강 |
강종 | C | Si | Mn | P |
S | Ni | Cr | Cu |
min | max | min | max | min | max | min | max |
min | max | min | max | min | max | min | max |
S 10 C |
0.08 |
0.13 |
0.15 |
0.35 |
0.30 |
0.60 |
- |
0.030 |
- |
0.035 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
S 12 C |
0.10 |
0.15 |
0.15 |
0.35 |
0.30 |
0.60 |
- |
0.030 |
- |
0.035 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
S 15 C |
0.13 |
0.18 |
0.15 |
0.35 |
0.30 |
0.60 |
- |
0.030 |
- |
0.035 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
S 17 C |
0.15 |
0.20 |
0.15 |
0.35 |
0.30 |
0.60 |
- |
0.030 |
- |
0.035 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
S 20 C |
0.18 |
0.23 |
0.15 |
0.35 |
0.30 |
0.60 |
- |
0.030 |
- |
0.035 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
S 22 C |
0.20 |
0.25 |
0.15 |
0.35 |
0.30 |
0.60 |
- |
0.030 |
- |
0.035 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
S 25 C |
0.22 |
0.28 |
0.15 |
0.35 |
0.30 |
0.60 |
- |
0.030 |
- |
0.035 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
S 28 C |
0.25 |
0.31 |
0.15 |
0.35 |
0.60 |
0.90 |
- |
0.030 |
- |
0.035 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
S 30 C |
0.27 |
0.33 |
0.15 |
0.35 |
0.60 |
0.90 |
- |
0.030 |
- |
0.035 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
S 33 C |
0.30 |
0.36 |
0.15 |
0.35 |
0.60 |
0.90 |
- |
0.030 |
- |
0.035 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
S 35 C |
0.32 |
0.38 |
0.15 |
0.35 |
0.60 |
0.90 |
- |
0.030 |
- |
0.035 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
S 38 C |
0.35 |
0.41 |
0.15 |
0.35 |
0.60 |
0.90 |
- |
0.030 |
- |
0.035 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
S 40 C |
0.37 |
0.43 |
0.15 |
0.35 |
0.60 |
0.90 |
- |
0.030 |
- |
0.035 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
S 43 C |
0.40 |
0.46 |
0.15 |
0.35 |
0.60 |
0.90 |
- |
0.030 |
- |
0.035 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
S 45 C |
0.42 |
0.48 |
0.15 |
0.35 |
0.60 |
0.90 |
- |
0.030 |
- |
0.035 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
S 48 C |
0.45 |
0.51 |
0.15 |
0.35 |
0.60 |
0.90 |
- |
0.030 |
- |
0.035 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
S 50 C |
0.47 |
0.53 |
0.15 |
0.35 |
0.60 |
0.90 |
- |
0.030 |
- |
0.035 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
S 53 C |
0.50 |
0.56 |
0.15 |
0.35 |
0.60 |
0.90 |
- |
0.030 |
- |
0.035 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
S 55 C |
0.52 |
0.58 |
0.15 |
0.35 |
0.60 |
0.90 |
- |
0.030 |
- |
0.035 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
S 58 C |
0.55 |
0.61 |
0.15 |
0.35 |
0.60 |
0.90 |
- |
0.030 |
- |
0.035 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
S 9 CK |
0.07 |
0.12 |
0.10 |
0.35 |
0.30 |
0.60 |
- |
0.025 |
- |
0.025 |
- |
0.20 |
- |
0.20 |
- |
0.25 |
S 15 CK |
0.13 |
0.18 |
0.15 |
0.35 |
0.30 |
0.60 |
- |
0.025 |
- |
0.025 |
- |
0.20 |
- |
0.20 |
- |
0.25 |
S 20 CK |
0.18 |
0.23 |
0.15 |
0.35 |
0.30 |
0.60 |
- |
0.025 |
- |
0.025 |
- |
0.20 |
- |
0.20 |
- |
0.25 |
망간강
망간강 |
강종 | C | Si | Mn | P |
S | Ni | Cr | Cu |
min | max | min | max | min | max | min | max |
min | max | min | max | min | max | min | max |
SMn 420 |
0.17 |
0.23 |
0.15 |
0.35 |
1.20 |
1.50 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
- |
0.35 |
- |
0.30 |
SMn 433 |
0.30 |
0.36 |
0.15 |
0.35 |
1.20 |
1.50 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
- |
0.35 |
- |
0.30 |
SMn 438 |
0.35 |
0.41 |
0.15 |
0.35 |
1.35 |
1.65 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
- |
0.35 |
- |
0.30 |
SMn 443 |
0.40 |
0.46 |
0.15 |
0.35 |
1.35 |
1.65 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
- |
0.35 |
- |
0.30 |
SMnC 420 |
0.17 |
0.23 |
0.15 |
0.35 |
1.20 |
1.50 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.35 |
0.70 |
- |
0.30 |
SMnC 443 |
0.40 |
0.46 |
0.15 |
0.35 |
1.35 |
1.65 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.35 |
0.70 |
- |
0.30 |
크롬강
크롬강 |
강종 | C | Si | Mn | P |
S | Ni | Cr | Cu |
min | max | min | max | min | max | min | max |
min | max | min | max | min | max | min | max |
SCr 415 |
0.13 |
0.18 |
0.15 |
0.35 |
0.60 |
0.85 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.90 |
1.20 |
- |
0.30 |
SCr 420 |
0.18 |
0.23 |
0.15 |
0.35 |
0.60 |
0.85 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.90 |
1.20 |
- |
0.30 |
SCr 430 |
0.28 |
0.33 |
0.15 |
0.35 |
0.60 |
0.85 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.90 |
1.20 |
- |
0.30 |
SCr 435 |
0.33 |
0.38 |
0.15 |
0.35 |
0.60 |
0.85 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.90 |
1.20 |
- |
0.30 |
SCr 440 |
0.38 |
0.43 |
0.15 |
0.35 |
0.60 |
0.85 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.90 |
1.20 |
- |
0.30 |
SCr 445 |
0.43 |
0.48 |
0.15 |
0.35 |
0.60 |
0.85 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.90 |
1.20 |
- |
0.30 |
크롬몰리브덴강
크롬몰리브덴강 |
강종 | C | Si | Mn | P |
S | Ni | Cr | Mo | Cu |
min | max | min | max | min | max | min | max | min |
max | min | max | min | max | min | max | min | max |
SCM 415 |
0.13 |
0.18 |
0.15 |
0.35 |
0.60 |
0.85 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.90 |
1.20 |
0.15 |
0.30 |
- |
0.30 |
SCM 418 |
0.16 |
0.21 |
0.15 |
0.35 |
0.60 |
0.85 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.90 |
1.20 |
0.15 |
0.30 |
- |
0.30 |
SCM 420 |
0.18 |
0.23 |
0.15 |
0.35 |
0.60 |
0.85 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.90 |
1.20 |
0.15 |
0.30 |
- |
0.30 |
SCM 421 |
0.17 |
0.23 |
0.15 |
0.35 |
0.70 |
1.00 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.90 |
1.20 |
0.15 |
0.30 |
- |
0.30 |
SCM 430 |
0.28 |
0.33 |
0.15 |
0.35 |
0.60 |
0.85 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.90 |
1.20 |
0.15 |
0.30 |
- |
0.30 |
SCM 432 |
0.27 |
0.37 |
0.15 |
0.35 |
0.30 |
0.60 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
1.00 |
1.50 |
0.15 |
0.30 |
- |
0.30 |
SCM 435 |
0.33 |
0.38 |
0.15 |
0.35 |
0.60 |
0.85 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.90 |
1.20 |
0.15 |
0.30 |
- |
0.30 |
SCM 440 |
0.38 |
0.43 |
0.15 |
0.35 |
0.60 |
0.85 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.90 |
1.20 |
0.15 |
0.30 |
- |
0.30 |
SCM 445 |
0.43 |
0.48 |
0.15 |
0.35 |
0.60 |
0.85 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.90 |
1.20 |
0.15 |
0.30 |
- |
0.30 |
SCM 822 |
0.20 |
0.25 |
0.15 |
0.35 |
0.60 |
0.85 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.90 |
1.20 |
0.35 |
0.45 |
- |
0.30 |
니켈크롬강
니켈크롬강 |
강종 | C | Si | Mn |
P | S | Ni | Cr | Cu |
min | max | min | max | min | max | min | max |
min | max | min | max | min | max | min | max |
SNC 236 |
0.32 |
0.40 |
0.15 |
0.35 |
0.50 |
0.80 |
- |
0.030 |
- |
0.030 |
1.00 |
1.50 |
0.50 |
1.90 |
- |
0.30 |
SNC 415 |
0.12 |
0.18 |
0.15 |
0.35 |
0.35 |
0.65 |
- |
0.030 |
- |
0.030 |
2.00 |
2.50 |
0.20 |
0.50 |
- |
0.30 |
SNC 631 |
0.27 |
0.35 |
0.15 |
0.35 |
0.35 |
0.65 |
- |
0.030 |
- |
0.030 |
2.50 |
3.00 |
0.60 |
1.00 |
- |
0.30 |
SNC 815 |
0.12 |
0.18 |
0.15 |
0.35 |
0.35 |
0.65 |
- |
0.030 |
- |
0.030 |
3.00 |
3.50 |
0.70 |
1.00 |
- |
0.30 |
SNC 836 |
0.32 |
0.40 |
0.15 |
0.35 |
0.35 |
0.65 |
- |
0.030 |
- |
0.030 |
3.00 |
3.50 |
0.60 |
1.00 |
- |
0.30 |
니켈크롬몰리브덴강
니켈크롬몰리브덴강 |
강종 | C | Si | Mn | P |
S | Ni | Cr | Mo | Cu |
min | max | min | max | min | max | min | max | min |
max | min | max | min | max | min | max | min | max |
SNCM 220 |
0.17 |
0.23 |
0.15 |
0.35 |
0.60 |
0.90 |
- |
0.030 |
- |
0.030 |
0.40 |
0.70 |
0.40 |
0.65 |
0.15 |
0.30 |
- |
0.30 |
SNCM 240 |
0.38 |
0.43 |
0.15 |
0.35 |
0.70 |
1.00 |
- |
0.030 |
- |
0.030 |
0.40 |
0.70 |
0.40 |
0.65 |
0.15 |
0.30 |
- |
0.30 |
SNCM 415 |
0.12 |
0.18 |
0.15 |
0.35 |
0.40 |
0.70 |
- |
0.030 |
- |
0.030 |
1.60 |
2.00 |
0.40 |
0.65 |
0.15 |
0.30 |
- |
0.30 |
SNCM 420 |
0.17 |
0.23 |
0.15 |
0.35 |
0.40 |
0.70 |
- |
0.030 |
- |
0.030 |
1.60 |
2.00 |
0.40 |
0.65 |
0.15 |
0.30 |
- |
0.30 |
SNCM 431 |
0.27 |
0.35 |
0.15 |
0.35 |
0.60 |
0.90 |
- |
0.030 |
- |
0.030 |
1.60 |
2.00 |
0.60 |
1.00 |
0.15 |
0.30 |
- |
0.30 |
SNCM 439 |
0.36 |
0.43 |
0.15 |
0.35 |
0.60 |
0.90 |
- |
0.030 |
- |
0.030 |
1.60 |
2.00 |
0.60 |
1.00 |
0.15 |
0.30 |
- |
0.30 |
SNCM 447 |
0.44 |
0.50 |
0.15 |
0.35 |
0.60 |
0.90 |
- |
0.030 |
- |
0.030 |
1.60 |
2.00 |
0.60 |
1.00 |
0.15 |
0.30 |
- |
0.30 |
SNCM 616 |
0.13 |
0.20 |
0.15 |
0.35 |
0.80 |
1.20 |
- |
0.030 |
- |
0.030 |
2.80 |
3.20 |
1.40 |
1.80 |
0.40 |
0.60 |
- |
0.30 |
SNCM 625 |
0.20 |
0.30 |
0.15 |
0.35 |
0.35 |
0.60 |
- |
0.030 |
- |
0.030 |
3.00 |
3.50 |
1.00 |
1.50 |
0.15 |
0.30 |
- |
0.30 |
SNCM 630 |
0.25 |
0.35 |
0.15 |
0.35 |
0.35 |
0.60 |
- |
0.030 |
- |
0.030 |
2.50 |
3.50 |
2.50 |
3.50 |
0.50 |
0.70 |
- |
0.30 |
SNCM 815 |
0.12 |
0.18 |
0.15 |
0.35 |
0.30 |
0.60 |
- |
0.030 |
- |
0.030 |
4.00 |
4.50 |
0.70 |
1.00 |
0.15 |
1.30 |
- |
0.30 |
소입성보증강
소입성보증강 |
강종 | C | Si | Mn | P |
S | Ni | Cr | Mo | Cu |
min | max | min | max | min | max | min | max | min |
max | min | max | min | max | min | max | min | max |
SMn 420 H |
0.16 |
0.23 |
0.15 |
0.35 |
1.15 |
1.55 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
- |
0.35 |
|
|
- |
0.30 |
SMn 433 H |
0.29 |
0.36 |
0.15 |
0.35 |
1.15 |
1.55 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
- |
0.35 |
|
|
- |
0.30 |
SMn 438 H |
0.34 |
0.41 |
0.15 |
0.35 |
1.30 |
1.70 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
- |
0.35 |
|
|
- |
0.30 |
SMn 443 H |
0.39 |
0.46 |
0.15 |
0.35 |
1.30 |
1.70 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
- |
0.35 |
|
|
- |
0.30 |
SMnC 420 H |
0.16 |
0.23 |
0.15 |
0.35 |
1.15 |
1.55 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.35 |
0.70 |
|
|
- |
0.30 |
SMnC 443 H |
0.39 |
0.46 |
0.15 |
0.35 |
1.30 |
1.70 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.35 |
0.70 |
|
|
- |
0.30 |
SCr 415 H |
0.12 |
0.18 |
0.15 |
0.35 |
0.55 |
0.90 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.85 |
1.25 |
|
|
- |
0.30 |
SCr 420 H |
0.17 |
0.23 |
0.15 |
0.35 |
0.55 |
0.90 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.85 |
1.25 |
|
|
- |
0.30 |
SCr 430 H |
0.27 |
0.34 |
0.15 |
0.35 |
0.55 |
0.90 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.85 |
1.25 |
|
|
- |
0.30 |
SCr 435 H |
0.32 |
0.39 |
0.15 |
0.35 |
0.55 |
0.90 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.85 |
1.25 |
|
|
- |
0.30 |
SCr 440 H |
0.37 |
0.44 |
0.15 |
0.35 |
0.55 |
0.90 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.85 |
1.25 |
|
|
- |
0.30 |
SCM 415 H |
0.12 |
0.18 |
0.15 |
0.35 |
0.55 |
0.90 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.85 |
1.25 |
0.15 |
0.35 |
- |
0.30 |
SCM 418 H |
0.15 |
0.21 |
0.15 |
0.35 |
0.55 |
0.90 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.85 |
1.25 |
0.15 |
0.35 |
- |
0.30 |
SCM 420 H |
0.17 |
0.23 |
0.15 |
0.35 |
0.55 |
0.90 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.85 |
1.25 |
0.15 |
0.35 |
- |
0.30 |
SCM 435 H |
0.32 |
0.39 |
0.15 |
0.35 |
0.55 |
0.90 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.85 |
1.25 |
0.15 |
0.35 |
- |
0.30 |
SCM 440 H |
0.37 |
0.44 |
0.15 |
0.35 |
0.55 |
0.90 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.85 |
1.25 |
0.15 |
0.35 |
- |
0.30 |
SCM 445 H |
0.42 |
0.49 |
0.15 |
0.35 |
0.55 |
0.90 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.85 |
1.25 |
0.15 |
0.35 |
- |
0.30 |
SCM 822 H |
0.19 |
0.25 |
0.15 |
0.35 |
0.55 |
0.90 |
- |
0.030 |
- |
0.030 |
- |
0.25 |
0.85 |
1.25 |
0.15 |
0.35 |
- |
0.30 |
SNC 415 H |
0.11 |
0.18 |
0.15 |
0.35 |
0.30 |
0.70 |
- |
0.030 |
- |
0.030 |
1.95 |
2.50 |
0.20 |
0.55 |
|
|
- |
0.30 |
SNC 631 H |
0.26 |
0.35 |
0.15 |
0.35 |
0.30 |
0.70 |
- |
0.030 |
- |
0.030 |
2.45 |
3.00 |
0.55 |
1.05 |
|
|
- |
0.30 |
SNC 815 H |
0.11 |
0.18 |
0.15 |
0.35 |
0.30 |
0.70 |
- |
0.030 |
- |
0.030 |
2.95 |
3.50 |
0.65 |
1.05 |
|
|
- |
0.30 |
SNCM 220 H |
0.17 |
0.23 |
0.15 |
0.35 |
0.60 |
0.95 |
- |
0.030 |
- |
0.030 |
0.35 |
0.75 |
0.35 |
0.65 |
0.15 |
0.30 |
- |
0.30 |
SNCM 420 H |
0.17 |
0.23 |
0.15 |
0.35 |
0.40 |
0.70 |
- |
0.030 |
- |
0.030 |
1.55 |
2.00 |
0.35 |
0.65 |
0.15 |
0.30 |
- |
0.30 |
질화강
질화강 |
강종 | C | Si | Mn | P |
S | Cr | Mo | AI |
min | max | min | max | min | max | min | max |
min | max | min | max | min | max | min | max |
SACM 1 |
0.40 |
0.50 |
0.15 |
0350 |
- |
0.60 |
- |
0.030 |
- |
0.030 |
1.30 |
1.70 |
0.15 |
0.30 |
0.70 |
1.20 |
베어링강
베어링강 |
강종 | C | Si | Mn | P |
S | Ni | Cr | Mo | Cu |
min | max | min | max | min | max | min | max | min |
max | min | max | min | max | min | max | min | max |
SUJ 1 |
0.95 |
1.10 |
0.15 |
0.35 |
- |
0.50 |
- |
0.025 |
- |
0.025 |
- |
0.25 |
0.90 |
1.20 |
- |
0.08 |
- |
0.25 |
SUJ 2 |
0.95 |
1.10 |
0.15 |
0.35 |
- |
0.50 |
- |
0.025 |
- |
0.025 |
- |
0.25 |
1.30 |
1.60 |
- |
0.08 |
- |
0.25 |
SUJ 3 |
0.95 |
1.10 |
0.40 |
0.70 |
0.90 |
1.15 |
- |
0.025 |
- |
0.025 |
- |
0.25 |
0.90 |
1.20 |
- |
0.08 |
- |
0.25 |
SUJ 4 |
0.95 |
1.10 |
0.15 |
0.35 |
- |
0.50 |
- |
0.025 |
- |
0.025 |
- |
0.25 |
1.30 |
1.60 |
0.10 |
0.25 |
- |
0.25 |
SUJ 5 |
0.95 |
1.10 |
0.40 |
0.70 |
0.90 |
1.15 |
- |
0.025 |
- |
0.025 |
- |
0.25 |
0.90 |
1.20 |
0.10 |
0.25 |
- |
0.25 |
보론강
보론강 |
강종 | C | Si | Mn | P |
S | Cr | Mo | B |
min | max | min | max | min | max | min | max |
min | max | min | max | min | max | min | max |
10B16 |
0.13 |
0.18 |
0.15 |
0.30 |
- |
1.60 |
- |
0.040 |
- |
0.050 |
|
|
|
|
0.0005 |
0.0030 |
15B35M |
0.32 |
0.38 |
0.15 |
0.30 |
0.90 |
1.20 |
- |
0.030 |
0.005 |
0.025 |
|
|
|
|
0.0005 |
0.0030 |
15B30 |
0.30 |
0.35 |
0.15 |
0.30 |
1.10 |
1.40 |
- |
0.040 |
- |
0.050 |
|
|
|
|
0.0005 |
0.0030 |
15B35 |
0.35 |
0.38 |
0.15 |
0.30 |
0.95 |
1.25 |
- |
0.040 |
- |
0.040 |
|
|
|
|
0.0005 |
0.0030 |
15B37 |
0.30 |
0.39 |
0.15 |
0.35 |
1.00 |
1.50 |
- |
0.040 |
- |
0.040 |
|
|
|
|
0.0005 |
0.0030 |
15B38 |
0.35 |
0.38 |
0.15 |
0.30 |
1.10 |
1.40 |
- |
0.040 |
- |
0.050 |
|
|
|
|
0.0005 |
0.0030 |
15B15C |
0.12 |
0.16 |
0.20 |
0.35 |
0.85 |
1.15 |
- |
0.040 |
- |
0.040 |
0.15 |
0.30 |
|
|
0.0005 |
0.0030 |
15B18C |
0.16 |
0.20 |
0.20 |
0.35 |
0.85 |
1.15 |
- |
0.040 |
- |
0.040 |
0.15 |
0.30 |
|
|
0.0005 |
0.0030 |
15B24C |
0.26 |
0.30 |
0.20 |
0.35 |
0.85 |
1.15 |
- |
0.040 |
- |
0.040 |
0.15 |
0.30 |
|
|
0.0005 |
0.0030 |
15B35C |
0.32 |
0.36 |
0.15 |
0.35 |
1.10 |
1.30 |
- |
0.030 |
- |
0.030 |
0.40 |
0.60 |
|
|
0.0005 |
0.0030 |
15B26M |
0.24 |
0.28 |
0.20 |
0.30 |
1.30 |
1.40 |
- |
0.010 |
- |
0.010 |
0.25 |
0.35 |
|
|
0.0010 |
0.0025 |
15B36M |
0.32 |
0.36 |
0.15 |
0.40 |
1.10 |
1.40 |
- |
0.030 |
- |
0.030 |
0.15 |
0.25 |
|
|
0.0005 |
0.0030 |
30MnB4 |
0.28 |
0.35 |
0.15 |
0.50 |
1.20 |
1.50 |
- |
0.045 |
- |
0.045 |
0.20 |
0.50 |
|
|
0.0005 |
0.0030 |
SCR440B |
0.38 |
0.43 |
0.15 |
0.35 |
0.60 |
0.85 |
- |
0.030 |
- |
0.030 |
0.90 |
1.25 |
|
|
0.0005 |
0.0030 |
41B30M |
0.31 |
0.36 |
0.15 |
0.35 |
1.00 |
1.30 |
- |
0.030 |
- |
0.030 |
0.40 |
0.65 |
0.13 |
0.20 |
0.0005 |
0.0030 |
SCM418B |
0.15 |
0.21 |
0.15 |
0.30 |
0.95 |
1.30 |
- |
0.030 |
- |
0.030 |
0.40 |
0.65 |
0.08 |
0.15 |
0.0005 |
0.0030 |
쾌삭강
쾌삭강 |
강종 | C | Si | Mn | P |
S | Ni | Cr | Cu | Pb |
min | max | min | max | min | max | min | max | min |
max | min | max | min | max | min | max | min | max |
SUM 11 |
0.08 |
0.13 |
0.15 |
0.35 |
0.30 |
0.60 |
- |
0.040 |
0.08 |
0.13 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
|
|
SUM 12 |
0.08 |
0.13 |
0.15 |
0.35 |
0.60 |
0.90 |
- |
0.040 |
0.08 |
0.13 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
|
|
SUM 21 |
- |
0.13 |
0.15 |
0.35 |
0.70 |
1.00 |
0.070 |
0.120 |
0.16 |
0.23 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
|
|
SUM 22 |
- |
0.13 |
0.15 |
0.35 |
0.70 |
1.00 |
0.070 |
0.120 |
0.24 |
0.33 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
|
|
SUM 22L |
- |
0.13 |
0.15 |
0.35 |
0.70 |
1.00 |
0.070 |
0.120 |
0.24 |
0.33 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
0.10 |
0.35 |
SUM 23 |
- |
0.09 |
0.15 |
0.35 |
0.75 |
1.05 |
0.040 |
0.090 |
0.26 |
0.35 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
|
|
SUM 23L |
- |
0.09 |
0.15 |
0.35 |
0.75 |
1.05 |
0.040 |
0.090 |
0.26 |
0.35 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
0.10 |
0.35 |
SUM 24L |
- |
0.15 |
0.15 |
0.35 |
0.85 |
1.15 |
0.040 |
0.090 |
0.26 |
0.35 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
0.10 |
0.35 |
SUM 25 |
- |
0.15 |
0.15 |
0.35 |
0.90 |
1.40 |
0.070 |
0.120 |
0.30 |
0.40 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
|
|
SUM 31 |
0.14 |
0.20 |
0.15 |
0.35 |
1.00 |
1.30 |
- |
0.040 |
0.08 |
0.13 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
|
|
SUM 31L |
0.14 |
0.20 |
0.15 |
0.35 |
1.00 |
1.30 |
- |
0.040 |
0.08 |
0.13 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
0.10 |
0.35 |
SUM 32 |
0.12 |
0.20 |
0.15 |
0.35 |
0.60 |
1.10 |
- |
0.040 |
0.10 |
0.20 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
|
|
SUM 41 |
0.32 |
0.39 |
0.15 |
0.35 |
1.35 |
1.65 |
- |
0.040 |
0.08 |
0.13 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
|
|
SUM 42 |
0.37 |
0.45 |
0.15 |
0.35 |
1.35 |
1.65 |
- |
0.040 |
0.08 |
0.13 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
|
|
SUM 43 |
0.40 |
0.48 |
0.15 |
0.35 |
1.35 |
1.65 |
- |
0.040 |
0.24 |
0.33 |
- |
0.20 |
- |
0.20 |
- |
0.30 |
|
|
스프링강
스프링강 |
강종 | C | Si | Mn | P | S |
Cr | Mo | Cu | V | B |
min | max | min | max | min | max | min | max | min | max |
min | max | min | max | min | max | min | max | min | max |
SPS 1 |
0.75 |
0.90 |
0.15 |
0.35 |
0.30 |
0.60 |
- |
0.035 |
- |
0.035 |
|
|
|
|
- |
0.30 |
|
|
|
|
SPS 3 |
0.56 |
0.64 |
1.50 |
1.80 |
0.70 |
1.00 |
- |
0.035 |
- |
0.035 |
|
|
|
|
- |
0.30 |
|
|
|
|
SPS 4 |
0.56 |
0.64 |
1.80 |
2.20 |
0.70 |
1.00 |
- |
0.035 |
- |
0.035 |
|
|
|
|
- |
0.30 |
|
|
|
|
SPS 5 |
0.52 |
0.60 |
0.15 |
0.35 |
0.65 |
0.95 |
- |
0.035 |
- |
0.035 |
0.65 |
0.95 |
|
|
- |
0.30 |
|
|
|
|
SPS 5 A |
0.56 |
0.64 |
0.15 |
0.35 |
0.70 |
1.00 |
- |
0.035 |
- |
0.035 |
0.70 |
1.00 |
|
|
- |
0.30 |
|
|
|
|
SPS 6 |
0.47 |
0.55 |
0.15 |
0.35 |
0.65 |
0.95 |
- |
0.035 |
- |
0.035 |
0.80 |
1.10 |
|
|
- |
0.30 |
0.15 |
0.25 |
|
|
SPS 7 |
0.56 |
0.64 |
0.15 |
0.35 |
0.70 |
1.00 |
- |
0.035 |
- |
0.035 |
0.70 |
1.00 |
|
|
- |
0.30 |
|
|
0.0005 |
- |
SPS 8 |
0.51 |
0.59 |
1.20 |
1.60 |
0.60 |
0.90 |
- |
0.035 |
- |
0.035 |
0.60 |
0.90 |
|
|
- |
0.30 |
|
|
|
|
SPS 9 |
0.56 |
0.64 |
0.15 |
0.35 |
0.70 |
1.00 |
- |
0.035 |
- |
0.035 |
0.70 |
0.90 |
0.25 |
0.35 |
- |
0.30 |
|
|
|
|
볼트용합금강
볼트용합금강 |
강종 | C | Si | Mn | P | S |
Ni | Cr | Mo | V |
min | max | min | max | min | max | min | max | min |
max | min | max | min | max | min | max | min | max |
SNB 21 |
0.36 |
0.44 |
0.20 |
0.35 |
0.45 |
0.70 |
- |
0.025 |
- |
0.025 |
|
|
0.80 |
1.15 |
0.50 |
0.65 |
0.25 |
0.35 |
SNB 22 |
0.39 |
0.46 |
0.20 |
0.35 |
0.65 |
1.10 |
- |
0.025 |
- |
0.025 |
|
|
0.75 |
1.20 |
0.15 |
0.25 |
|
|
SNB 23 |
0.37 |
0.44 |
0.20 |
0.35 |
0.60 |
0.95 |
- |
0.025 |
- |
0.025 |
1.55 |
2.00 |
0.65 |
0.95 |
0.20 |
0.30 |
|
|
SNB 24 |
0.37 |
0.44 |
0.20 |
0.35 |
0.70 |
0.90 |
- |
0.025 |
- |
0.025 |
1.65 |
2.00 |
0.70 |
0.95 |
0.30 |
0.40 |
|
|
SNB 5 |
0.10 |
- |
- |
1.00 |
- |
1.00 |
- |
0.040 |
- |
0.030 |
|
|
4.00 |
6.00 |
0.40 |
0.65 |
|
|
SNB 7 |
0.38 |
0.48 |
0.20 |
0.35 |
0.75 |
1.00 |
- |
0.040 |
- |
0.040 |
|
|
0.80 |
1.10 |
0.15 |
0.25 |
|
|
SNB 16 |
0.36 |
0.44 |
0.20 |
0.35 |
0.45 |
0.70 |
- |
0.040 |
- |
0.040 |
|
|
0.80 |
1.15 |
0.50 |
0.65 |
0.25 |
0.35 |
체인강
체인강 |
강종 | C | Si |
Mn | P | S |
min | max | min | max | min |
max | min | max | min | max |
SNB 31 |
|
0.13 |
|
0.04 |
- |
0.50 |
- |
0.040 |
- |
0.040 |
SNB 50 |
|
0.25 |
0.15 |
0.40 |
1.00 |
1.50 |
- |
0.040 |
- |
0.040 |
SNB 70 |
|
0.36 |
0.40 |
0.55 |
1.00 |
1.90 |
- |
0.040 |
- |
0.040 |
용접구조용강
용접구조용강 |
강종 | C | Si |
Mn | P | S |
min | max | min | max | min |
max | min | max | min | max |
SM 400 A |
- |
0.25 |
|
| 2.5×C |
- |
0.035 |
- |
0.035 |
SM 400 B |
- |
0.22 |
- |
0.35 |
0.60 |
1.40 |
- |
0.035 |
- |
0.035 |
SM 400 C |
- |
0.18 |
- |
0.35 |
- |
1.40 |
- |
0.035 |
- |
0.035 |
SM 490 A |
- |
0.22 |
- |
0.55 |
- |
1.60 |
- |
0.035 |
- |
0.035 |
SM 490 B |
- |
0.20 |
- |
0.55 |
- |
1.60 |
- |
0.035 |
- |
0.035 |
SM 490 C |
- |
0.18 |
- |
0.55 |
- |
1.60 |
- |
0.035 |
- |
0.035 |
SM 490YA |
- |
0.20 |
- |
0.55 |
- |
1.60 |
- |
0.035 |
- |
0.035 |
SM 490YB |
- |
0.20 |
- |
0.55 |
- |
1.60 |
- |
0.035 |
- |
0.035 |
SM 520 B |
- |
0.20 |
- |
0.55 |
- |
1.60 |
- |
0.035 |
- |
0.035 |
SM 520 C |
- |
0.20 |
- |
0.55 |
- |
1.60 |
- |
0.035 |
- |
0.035 |
SM 570 |
- |
0.18 |
- |
0.55 |
- |
1.60 |
- |
0.035 |
- |
0.035 |