ตารางสรุปขนาดเหล็กตัวซี

LIGHT LIP

CHANNEL

มอก.1228-2561

มติ ิทยี่ อมรับได

มิติ มิลลเิ มตร เกณฑค วามคลาดเคลอ่ื น

A ความกวา ง 30 x 75 mm. 1.5 มิลลเิ มตร
60-125 mm. 1.5 มิลลเิ มตร
ความยาวดานขาง H ความสงู 150-250 mm. 2.0 มลิ ลิเมตร

C เขยี้ ว 10-25 mm. 2.0 มิลลเิ มตร

1.60 mm. 0.22 มิลลิเมตร

2.00 nn. and 2.30 mm. 0.25 มลิ ลิเมตร

ความหนา 2.80 mm. 0.28 มลิ ลิเมตร
3.20 mm. 0.30 มิลลเิ มตร

4.00 mm. and 4.50 mm. 0.45 มิลลิเมตร

6.00 mm. 0.60 มลิ ลเิ มตร

ความยาว 7.00 mm. -0 mm., +40 mm.
7.00 m.
+ 40 m., then + 5mm. for each 1 m. lenght that over 7 m.

วัดฉาก 1.5o
0.2% of the overall lenght
ความโกง
น้ำหนักตอเมตร
10%

หนว่ ยเป็นรอ้ ยละ

ชัน� คุณภาพ คารบ์ อน แมงกานีส ฟอสฟอรสั กํามะถัน
สูงสุด สูงสุด สูงสุด สูงสุด
SSCS330
SSCS400 - - 0.050 0.050
SSCS490
- - 0.050 0.050
- - 0.050 0.050

SIAZES

HxAxC

60 * 30 * 10 * t(mm.)

Th(mickmn.e)ss SeActrieoanal Weight WReeigahl t CGe( nrcatmveir.ty)of MoSmee(ccnomtn4do.fa)rAyrea GyraRtai(odcnimuos.)foAf rea MoS(deccmutli3uo.sn) of Ce(Scnhmtee2ar.r)of

t ( cm2. ) ( kg./m. ) ( kg./m ) cy lx ly ix iy zx zy sx

1.6 2.072 1.63 1.51 1.06 11.60 2.56 2.37 1.11 3.88 1.32 2.5
14.00 3.01 2.35 1.09 4.65 1.56 2.5
2.0 2.537 1.99 1.87 1.06 15.60 3.32 2.33 1.07 5.20 1.71 2.5

2.3 2.872 2.25 2.08 1.06

SIAZES

HxAxC

75 * 35 * 15 * t(mm.)

Th(mickmn.e)ss SeActrieoanal Weight WReeigahl t G( rcamvi.ty) Mome(cnmt 4o.f) Area Gyrati(ocnmo.)f Area S(eccmti3o.n) (Schme2a.r)

t ( cm2. ) ( kg./m. ) ( kg./m ) cy lx ly ix iy zx zy sx

2.3 3.677 2.89 0 1.29 31.00 6.58 2.91 1.34 8.28 2.98 3.1

Grade % Cheminal Composition ( Max ) Mechamical Properties ( Min )

C Si Mn P S Yield Strength Tensile Strength Elongation
0.25 - MPa MPa %
STKR400 - 0.040 0.040 245 400 23

SIAZES

HxAxC

75 * 45 * 15 * t(mm.)

Th(mickmn.e)ss SeActrieoanal Weight WReeigahl t CGe( nrcatmveir.ty)of MoSmee(ccnomtn4do.fa)rAyrea GyraRtai(odcnimuos.)foAf rea MoS(deccmutli3uo.sn) of Ce(Scnhmtee2ar.r)of

t ( cm2. ) ( kg./m ) ( kg./m ) cy lx ly ix iy zx zy sx

1.6 2.952 2.32 0 1.72 27.10 8.71 3.03 1.72 7.24 3.13 4.1

1.7 3.120 2.42 0 1.72 28.60 9.20 3.03 1.71 7.60 2.90 4.0
1.8 30.00 9.60 3.02 1.71 8.00 3.43 4.0
3.297 2.55 0 1.72
2.0 33.00 10.50 3.01 1.70 8.79 3.76 4.0
2.3 3.637 2.86 0 1.72 37.10 11.80 3.00 1.69 9.90 4.24 4.0
2.5 39.70 12.40 2.98 1.67 10.60 4.55 3.9
2.8 4.137 3.25 0 1.72 43.50 13.50 2.97 1.65 11.60 4.99 3.8
3.2 48.20 14.80 2.94 1.63 12.90 5.56 3.8
4.464 3.43 0 1.72

4.945 3.79 0 1.72
5.567 4.26 0 1.72

Grade % Cheminal Composition ( Max ) Mechamical Properties ( Min )

C Si Mn P S Yield Strength Tensile Strength Elongation
0.25 - MPa MPa %
STKR400 - 0.040 0.040 245 400 23

SIAZES

HxAxC

90 * 45 * 20 * t(mm.)

Th(mickmn.e)ss SeActrieoanal Weight WReeigahl t CGe( nrcatmveir.ty)of MoSmee(ccnomtn4do.fa)rAyrea GyraRtai(odcnimuos.)foAf rea MoS(deccmutli3uo.sn) of Ce(Scnhmtee2ar.r)of

t ( cm2. ) ( kg./m ) ( kg./m ) cy lx ly ix iy zx zy sx

1.6 3.352 2.63 0 1.73 42.60 10.50 3.56 1.77 9.46 5.80 4.2
58.60 14.20 3.53 1.74 13.00 5.14 4.1
2.3 4.712 3.70 0 1.73 76.90 18.30 3.48 1.69 17.10 6.57 4.1
3.2
6.367 5.00 0 1.72

Grade % Cheminal Composition ( Max ) Mechamical Properties ( Min )

C Si Mn P S Yield Strength Tensile Strength Elongation
0.25 - MPa MPa %
STKR400 - 0.040 0.040 245 400 23

SIAZES

HxAxC

100 * 50 * 20 * t(mm.)

Th(mickmn.e)ss SeActrieoanal Weight WReeigahl t CGe( nrcatmveir.ty)of MoSmee(ccnomtn4do.fa)rAyrea GyraRtai(odcnimuos.)foAf rea MoS(deccmutli3uo.sn) of Ce(Scnhmtee2ar.r)of

t ( cm2. ) ( kg./m ) ( kg./m ) cy lx ly ix iy zx zy sx
1.60
1.70 3.672 2.88 0 1.87 58.40 14.00 3.99 1.95 11.70 4.47 4.5
1.80 3.890 3.02 3.98 1.95 12.30 4.47 4.4
2.00 4.107 3.19 0 1.87 61.70 14.70 3.98 1.94 13.00 5.00 4.4
2.30 4.537 3.56 3.97 1.93 14.30 5.40 4.4
2.50 5.172 4.06 0 1.87 65.00 15.50 3.95 1.92 16.10 6.06 4.4
2.80 5.589 4.32 3.94 1.90 17.30 6.68 4.3
3.20 6.205 4.87 0 1.86 71.40 16.90 3.96 1.91 20.00 7.44 4.3
4.00 7.007 5.50 3.96 1.91 20.00 7.44 4.3
4.50 8.548 6.71 0 1.86 80.70 19.00 3.85 1.83 25.40 9.13 4.3
9.469 7.43 3.82 1.81 27.70 9.82 4.3
0 1.86 86.60 20.30

0 1.88 99.80 23.20

0 1.86 99.80 23.20

0 1.86 127.00 28.70

0 1.86 139.00 30.90

Grade % Cheminal Composition ( Max ) Mechamical Properties ( Min )

C Si Mn P S Yield Strength Tensile Strength Elongation
0.25 - MPa MPa %
STKR400 - 0.040 0.040 245 400 23

SIAZES

HxAxC

120 * 40 * 20 * t(mm.)

Th(mickmn.e)ss SeActrieoanal Weight WReeigahl t CGe( nrcatmveir.ty)of MoSmee(ccnomtn4do.fa)rAyrea GyraRtai(odcnimuos.)foAf rea MoS(deccmutli3uo.sn) of Ce(Scnhmtee2ar.r)of

t ( cm2. ) ( kg./m. ) ( kg./m ) cy lx ly ix iy zx zy sx

3.2 7.007 5.50 0 1.32 144.00 15.30 4.53 1.48 24.00 5.71 3.40

SIAZES

HxAxC

120 * 60 * 20 * t(mm.)

Th(mickmn.e)ss SeActrieoanal Weight WReeigahl t CGe( nrcatmveir.ty)of MoSmee(ccnomtn4do.fa)rAyrea GyraRtai(odcnimuos.)foAf rea MoS(deccmutli3uo.sn) of Ce(Scnhmtee2ar.r)of

t ( cm2. ) ( kg./m. ) ( kg./m ) cy lx ly ix iy zx zy sx

2.3 6.092 4.78 0 2.13 140.00 31.30 4.79 2.27 23.30 8.10 5.1
4.74 2.22
3.2 8.287 6.51 0 2.12 186.00 40.90 31.00 10.50 4.9

Grade % Cheminal Composition ( Max ) Mechamical Properties ( Min )

C Si Mn P S Yield Strength Tensile Strength Elongation
MPa MPa %
STKR400 0.25 - - 0.040 0.040 245 400 23

SIAZES

HxAxC

125 * 50 * 20 * t(mm.)

Th(mickmn.e)ss SeActrieoanal Weight WReeigahl t CGe( nrcatmveir.ty)of MoSmee(ccnomtn4do.fa)rAyrea GyraRtai(odcnimuos.)foAf rea MoS(deccmutli3uo.sn) of Ce(Scnhmtee2ar.r)of

t ( cm2. ) ( kg./m ) ( kg./m ) cy lx ly ix iy zx zy sx
1.8 4.557 3.54 0
1.69 109.50 16.70 4.90 1.92 17.50 5.09 4.1

2.0 5.037 3.91 0 1.69 120.50 18.30 4.89 1.91 19.30 5.60 4.1
4.88 1.89 21.90 6.22 4.1
2.3 5.747 4.51 0 1.69 137.00 20.60 4.86 1.88 23.50 6.82 4.0
4.84 1.86 25.90 7.51 4.0
2.5 6.214 4.81 0 1.69 146.80 22.00 4.77 1.81 34.70 9.38 4.0
4.77 1.81 34.70 9.38 4.0
2.8 6.905 5.33 0 1.69 161.80 24.00
4.74 1.78 38.00 10.0 4.0
3.2 7.807 6.13 0 1.68 181.00 33.10

4.0 9.548 7.50 0 1.68 217.00 33.10

4.5 10.590 8.32 0 1.68 238.00 22.50

Grade % Cheminal Composition ( Max ) Mechamical Properties ( Min )

C Si Mn P S Yield Strength Tensile Strength Elongation
MPa MPa %
STKR400 0.25 - - 0.040 0.040 245 400 23

SIAZES

HxAxC

150 * 50 * 20 * t(mm.)

Th(mickmn.e)ss SeActrieoanal Weight WReeigahl t CGe( nrcatmveir.ty)of MoSmee(ccnomtn4do.fa)rAyrea GyraRtai(odcnimuos.)foAf rea MoS(deccmutli3uo.sn) of Ce(Scnhmtee2ar.r)of

t ( cm2. ) ( kg./m ) ( kg./m ) cy lx ly ix iy zx zy sx

1.8 5.007 3.89 3.60 1.55 168.40 17.80 5.80 1.89 22.40 4.67 3.8
5.79 1.87 24.70 5.13 3.8
2.0 5.537 4.30 3.98 1.55 185.30 19.50 5.77 1.86 28.00 6.33 3.8
5.75 1.85 30.20 6.43 3.8
2.3 6.322 4.96 4.52 1.55 210.00 21.90 5.73 1.83 33.30 7.05 3.8
5.71 1.81 37.40 8.19 3.8
2.5 6.839 5.30 5.05 1.55 226.30 23.40 5.60 1.75 49.00 10.50 3.8

2.8 7.605 5.88 5.45 1.55 249.90 25.50

3.2 8.607 6.76 6.14 1.54 280.00 28.30

4.5 11.720 9.20 8.43 1.54 368.00 35.70

Grade % Cheminal Composition ( Max ) Mechamical Properties ( Min )

C Si Mn P S Yield Strength Tensile Strength Elongation
MPa MPa %
STKR400 0.25 - - 0.040 0.040 245 400 23

SIAZES

HxAxC

150 * 65 * 20 * t(mm.)

Th(mickmn.e)ss SeActrieoanal Weight WReeigahl t CGe( nrcatmveir.ty)of MoSmee(ccnomtn4do.fa)rAyrea GyraRtai(odcnimuos.)foAf rea MoS(deccmutli3uo.sn) of Ce(Scnhmtee2ar.r)of

t ( cm2. ) ( kg./m ) ( kg./m ) cy lx ly ix iy zx zy sx

2.3 7.012 5.50 5.07 2.12 248.00 41.10 5.94 2.42 33.00 9.37 5.2
5.89 2.37 44.30 12.20 5.1
3.2 9.567 7.51 6.88 2.11 332.00 53.80
5.84 2.33 53.50 14.50 5.0
4.0 11.750 9.22 8.43 2.11 401.00 63.70

Grade % Cheminal Composition ( Max ) Mechamical Properties ( Min )

C Si Mn P S Yield Strength Tensile Strength Elongation
MPa MPa %
STKR400 0.25 - - 0.040 0.040 245 400 23

SIAZES

HxAxC

150 * 75 * 20 * t(mm.)

Th(mickmn.e)ss SeActrieoanal Weight WReeigahl t CGe( nrcatmveir.ty)of MoSmee(ccnomtn4do.fa)rAyrea GyraRtai(odcnimuos.)foAf rea MoS(deccmutli3uo.sn) of Ce(Scnhmtee2ar.r)of

t ( cm2. ) ( kg./m ) ( kg./m ) cy lx ly ix iy zx zy sx

2.3 7.472 5.81 5.30 2.51 272.90 57.90 6.04 2.78 36.40 12.15 6.0
2.5 8.089 6.28 5.94 2.51 294.30 62.20 6.03 2.77 39.20 13.10 5.9
6.01 2.76
2.8 9.005 6.98 6.44 2.51 325.70 64.80 43.40 14.49 5.9
5.99 2.74
3.2 10.210 8.01 7.31 2.51 366.00 76.40 5.95 2.69 48.90 15.30 5.1
5.92 2.66
4.0 12.550 9.85 8.96 2.51 445.00 91.00 59.30 18.20 5.8
4.5 13.970 11.00 10.06 2.50 489.00 99.20 65.20 19.80 6.0

Grade % Cheminal Composition ( Max ) Mechamical Properties ( Min )

C Si Mn P S Yield Strength Tensile Strength Elongation
MPa MPa %
STKR400 0.25 - - 0.040 0.040 245 400 23

SIAZES

HxAxC

150 * 75 * 25 * t(mm.)

Th(mickmn.e)ss SeActrieoanal Weight WReeigahl t CGe( nrcatmveir.ty)of MoSmee(ccnomtn4do.fa)rAyrea GyraRtai(odcnimuos.)foAf rea MoS(deccmutli3uo.sn) of Ce(Scnhmtee2ar.r)of

t ( cm2. ) ( kg./m ) ( kg./m ) cy lx ly ix iy zx zy sx

2.3 7.702 5.99 5.49 2.66 279.20 63.20 6.02 2.86 37.20 12.51 6.3
6.01 2.85 40.20 13.49 6.3
2.5 8.339 6.48 6.25 2.66 301.20 67.90 5.99 2.84 44.50 14.93 6.3
5.97 2.82 50.00 17.30 6.4
2.8 9.285 7.20 6.67 2.66 333.40 74.80 5.93 2.78 60.60 20.60 6.3
5.90 2.75 66.90 22.50 6.3
3.2 10.530 8.27 7.56 2.66 375.00 83.60

4.0 12.950 10.20 9.35 2.65 455.00 99.80

4.5 14.420 11.30 10.27 2.65 501.00 109.00

Grade % Cheminal Composition ( Max ) Mechamical Properties ( Min )

C Si Mn P S Yield Strength Tensile Strength Elongation
0.25 - MPa MPa %
STKR400 - 0.040 0.040 245 400 23

SIAZES

HxAxC

200 * 75 * 20 * t(mm.)

Th(mickmn.e)ss SeActrieoanal Weight WReeigahl t CGe( nrcatmveir.ty)of MoSmee(ccnomtn4do.fa)rAyrea GyraRtai(odcnimuos.)foAf rea MoS(deccmutli3uo.sn) of Ce(Scnhmtee2ar.r)of

t ( cm2. ) ( kg./m ) ( kg./m ) cy lx ly ix iy zx zy sx
2.3 8.622 6.71 6.97
2.5 9.339 7.26 7.47 2.19 531.10 63.70 7.85 2.72 53.10 11.83 5.4
2.8 10.405 8.08 8.44 7.84 2.71 57.30 12.76 5.4
3.2 11.810 9.27 8.48 2.19 573.30 68.40 7.82 2.69 63.60 14.13 5.3
4.0 14.550 11.40 10.47 7.79 2.67 71.60 15.80 5.4
4.5 16.220 12.70 11.65 2.19 635.60 35.20 7.74 2.62 87.10 18.90 5.3
7.71 2.60 96.30 20.60 5.3
2.19 716.00 84.10

2.19 871.00 100.00

2.19 963.00 109.00

Grade % Cheminal Composition ( Max ) Mechamical Properties ( Min )

C Si Mn P S Yield Strength Tensile Strength Elongation
0.25 - MPa MPa %
STKR400 - 0.040 0.040 245 400 23

SIAZES

HxAxC

200 * 75 * 25 * t(mm.)

Th(mickmn.e)ss SeActrieoanal Weight WReeigahl t CGe( nrcatmveir.ty)of MoSmee(ccnomtn4do.fa)rAyrea GyraRtai(odcnimuos.)foAf rea MoS(deccmutli3uo.sn) of Ce(Scnhmtee2ar.r)of

t ( cm2. ) ( kg./m ) ( kg./m ) cy lx ly ix iy zx zy sx

2.3 8.852 6.89 6.35 2.33 544.90 69.70 7.85 2.81 54.40 12.19 5.7
7.83 2.79 58.80 13.16 5.7
2.5 9.589 7.46 7.05 2.33 588.40 74.90 7.81 2.78 65.20 14.59 5.7
7.70 2.76 73.60 17.80 5.7
2.8 10.685 8.30 7.72 2.33 652.40 82.50 7.74 2.72 89.50 21.30 5.7
7.61 2.69 99.00 23.30 5.6
3.2 12.130 9.52 8.72 2.33 736.00 92.30

4.0 14.950 11.70 10.67 2.32 895.00 110.00

4.5 16.670 13.10 12.02 2.32 990.00 121.00

Grade % Cheminal Composition ( Max ) Mechamical Properties ( Min )

C Si Mn P S Yield Strength Tensile Strength Elongation
MPa MPa %
STKR400 0.25 - - 0.040 0.040 245 400 23

SIAZES

HxAxC

250 * 75 * 25 * t(mm.)

Th(mickmn.e)ss SeActrieoanal Weight WReeigahl t CGe( nrcatmveir.ty)of MoSmee(ccnomtn4do.fa)rAyrea GyraRtai(odcnimuos.)foAf rea MoS(deccmutli3uo.sn) of Ce(Scnhmtee2ar.r)of

t ( cm2. ) ( kg./m ) ( kg./m ) cy lx ly ix iy zx zy sx

2.3 10.000 7.79 0 2.08 921.30 74.70 9.60 2.73 73.70 13.77 5.2
9.58 2.72 19.60 14.81 5.2
2.5 10.839 8.44 0 2.08 995.50 80.30 9.56 2.71 88.40 16.31 5.2
9.53 2.68 99.80 19.29 5.1
2.8 12.085 9.40 0 1.08 1105.00 88.40 9.48 2.64 121.80 23.45 5.0
9.44 2.62 135.00 23.80 5.1
3.2 13.727 10.66 0 2.07 1247.70 98.80

4.0 16.948 13.13 0 2.07 1522.00 118.00

4.5 18.920 14.90 0 2.07 1690.00 129.00

Grade % Cheminal Composition ( Max ) Mechamical Properties ( Min )

C Si Mn P S Yield Strength Tensile Strength Elongation
MPa MPa %
STKR400 0.25 - - 0.040 0.040 245 400 23