Modify cold Formed steel material – MIDAS Support

Function

Use this function to modify a part of the Cold Formed Steel material property data entered during the creation of the analysis model or to change the entered material property data pertaining to specific design requirements.

Call

From the Main Menu select [Design] tab > [Type : Cold Formed Steel Design] > [Design Input Data] group > [Modify Cold Formed Steel Material]

Input

Use the following dialog box to enter the data (refer to Note 1):

Material List

Display the material properties of Cold Formed Steel entered during the creation of the analysis model. Select the material to be modified or changed with the mouse.

Cold Formed Steel Material Selection

Display the selected material so that the property data can be modified or changed.

The material property data can be changed by using the material property database in the program or by directly entering the changed data.

Method for using material property database

Select the material name and the code in which the relevant material is defined, with the mouse.

Direct entry by the user

Select 'None' in the Code field and enter the name of the material in the Name field. Once these entries are made, all the material property data fields are activated for data entry (refer to Note 2).

Modulus of Elasticity (Es) : Modulus of elasticity of steel

Poisson's Ratio (Ps) : Poisson's ratio of steel

Note 1 Material type and characteristics as per the Eurocode

Tensile Strength (Fu) : Tensile strength of steel

Yield Strength (Fy)

Yield strength of members with thicknesses thinner than 40mm (refer to Note 3)

Yield Strength [t > 40mm] (Fy2)

Yield strength for which the thickness of the members in use is thicker than 40mm (refer to Note 3)

The Modify button : Modify the relevant material property data by replacing with the values entered by the user.

The Close button : Do not enter the values or the selection and close the dialog box.

Note 1

When the Name, Es, Ws, Fy1 and Fy2 are not entered in the analysis model, the following data are applied by default :

Name = A36

Es = 4.176+E9 lb/ft² (29,000 ksi)

Ws = 490 lb/ft³

Fy1 = 250 lb/ft² (36 ksi)

Fy2 = 250 lb/ft² (36 ksi)

Note 2

The steel material standards are classified into None, ASTM(S),CSA(s), BS(S), DIN(S), EN(S), JIS(S), GB(S), JGJ(S), KS(S), KS-Civil(S).

Note 3

The Fy-a, Fy-b, Fy-c and Fy-d values below represent the steel yield strengths and are used to calculate the allowable stress (design strength) for each stress component (compression, tension, bending and shear) during the strength verification. The maximum thickness of a member determines the application of Fy-a, Fy-b, Fy-c and Fy-d for the calculation of the allowable stress (design stress). The heading, Fy-a, Fy-b, Fy-c and Fy-d (simply expanded to demonstrate the variation) listed below do not necessarily correspond to the heading in the dialog box.

(1) ASTM(S)

- Es = 29000 kips/in²
- Fy (kips/in²)

Material type

Fy-a

A36

A53

A242-40

A242-42

A242-46

A242-50

A441-40

A441-42

A441-46

A441-50

A500-33

A500-39

A500-42

A500-46

A500-50

A501

A514-90

A514-100

A529-42

A529-50

A570-40

A570-42

A572-42

A572-50

A572-60

A572-65

A588-40

A588-42

A588-46

A588-50

A606-45

A606-50

A607-45

A607-50

A607-55

A607-60

A607-65

A607-70

A618-50

A852

36.

35.

40.

42.

46.

50.

40.

42.

46.

50.

33.

39.

42.

46.

50.

36.

90.

100.

42.

50.

40.

42.

50.

60.

65.

40.

42.

46.

50.

45.

50.

45.

50.

55.

60.

65.

70.

50.

70.

(2) CSA(S)

- Es = 200000 N/mm²
- Fy (N/mm²)

Material type

Fy-1

Fy-2

Fy-3

230G(H)

350G(H)

400G(H)

260W(H)

300W(H)

350W(H)

380W(H)

400W(H)

480W(H)

260WT(H)

300WT(H)

350WT(H)

380WT(H)

400WT(H)

480WT(H)

350R(H)

350A(H)

400A(H)

480A(H)

350AT(H)

400AT(H)

480AT(H)

700Q(H)

700QT(H)

230G(C)

350G(C)

400G(C)

260W(C)

300W(C)

350W(C)

380W(C)

400W(C)

480W(C)

260WT(C)

300WT(C)

350WT(C)

380WT(C)

400WT(C)

480WT(C)

350R(C)

350A(C)

400A(C)

480A(C)

350AT(C)

400AT(C)

480AT(C)

700Q(C)

700QT(C)

230.

350.

400.

260.

300.

350.

380.

400.

480.

260.

300.

350.

380.

400.

480.

350.

400.

480.

350.

400.

480.

700.

230.

350.

400.

260.

300.

350.

380.

400.

480.

260.

300.

350.

380.

400.

480.

350.

400.

480.

350.

400.

480.

700.

230.

350.

400.

260.

290.

330.

380.

400.

480.

260.

290.

330.

380.

400.

480.

350.

400.

480.

350.

400.

480.

700.

230.

350.

400.

260.

290.

330.

380.

400.

480.

260.

290.

330.

380.

400.

480.

350.

400.

480.

350.

400.

480.

700.

230.

350.

400.

260.

280.

320..

380.

400.

480.

260.

290.

330.

380.

400.

480.

350.

400.

480.

350.

400.

480.

700.

230.

350.

400.

260.

280.

320.

380.

400.

480.

260.

290.

330.

380.

400.

480.

350.

400.

480.

350.

400.

480.

700.

- Max. thickness for applying Fy (mm)

Hollow Structural Sections

Material type

Fy-1

Fy-2

Fy-3

300W

350W, 350WT

380W, 380WT

350A, 350AT

16.0

Plates, Bars and Welded Shapes

Material type

Fy-1

Fy-2

Fy-3

350R

400W, 400WT

480W, 480WT

480A, 480AT

350G, 400G

400A, 400AT

700Q, 700QT

350WT

260W, 260WT

300W, 300WT

350W, 350WT

350A, 350AT

230G

14.0

20.0

30.0

40.0

50.0

400

40.0

60.0

65.0

100.0

300.0

Rolled Shapes and Sheet Piling (G=Group)

Material type

Fy-1

Fy-2

Fy-3

350R

400W

480W, 480WT

400WT

400A, 400AT

300W

350G, 400G

350WT

260W

230G

260WT, 300WT

350A, 350AT

G1,2

G3,4

(3) BS(S)

- Es = 205000 N/mm²
- Fy (N/mm²)

Material type

Fy-a

Fy-b

Fy-c

Fy-d

43A

43B

43B(T)

43C

43D

43DD

43E

43EE

50A

50B

50B(T)

50C

50D

50DD

50E

50EE

50F

55C

55EE

55F

WR50A

WR50B

WR50C

275.

355.

450.

355.

265.

345.

430.

355.

255.

340.

415.

355.

245.

325.

400.

355.

- Max. thickness for applying Fy (mm)

Material type

Fy-a

Fy-b

Fy-c

Fy-d

43, 50 Series

55 Series

16.0

40.0

25.0

63.0

40.0

100.0

63.0

(4) DIN(S)

- Es = 210000 N/mm²
- Fy (N/mm²)

Material type

Fy-a

Fy-b

St37-2

USt37-2

RSt37-2

St52-3

StE355

WStE355

TStE355

EStE355

GS-52

GS-20Mn5

C35N

240.

360.

260.

300.

215.

325.

260.

270

- Max. thickness for applying Fy (mm)

Material type

Fy-a

Fy-b

GS Series

C35N

Others

100.0

16.0

40.0

80.0

(5) EN(S)

- Es = 210000 N/mm²
- Fy (N/mm²)

Material type

Fy-a

Fy-b

S235

S275

S355

S420

S460

Fe360

Fe430

Fe510

FeE275

FeE355

S420M

S460M

235.

275.

355.

420.

460.

235.

275.

355.

275.

355.

420.

460.

215.

255.

335.

390.

430.

215.

255.

335.

255.

355.

390.

430.

- Max. thickness for applying Fy (mm)

Material type	Fy-a	Fy-b
All other Series	40.0	100.0

(6) EN05(S)

- Es = 210000 N/mm²
- Fy (N/mm²)

Material type

Fy-1

Fy-2

Fy-3

Fy-4

Fy-5

Fy-6

S235

S275

S355

S450

S275N/NL

S355N/NL

S420N/NL

S460N/NL

S275M/ML

S355M/ML

S420M/ML

S460M/ML

S235W

S355W

S460Q/QL/QL1

235.

275.

355.

440.

275.

355.

420.

460.

275.

355.

420.

460.

235

355

460

225.

265.

345.

430.

265.

345.

400.

440.

265.

345.

400.

440.

225

345

440

215

255

335

410

255

335

390

430

255

335

390

430

215

335

400

215

245

325

390

245

325

370

410

245

325

380

410

215

325

400

215

235

315

380

235

315

360

400

245

325

370

400

215

315

400

195

225

295

380

225

295

340

380

240

320

365

385

195

295

400

- Max. thickness for applying Fy (mm)

Material type

Fy-1

Fy-2

Fy-3

Fy-4

Fy-5

Fy-6

S460Q/QL/QL1

M/ML Series

All other Series

50.0

16.0

100.0

40.0

150.0

63.0

80.0

100.0

120

150

(7) BC1:12-ASTM/BS/JIS/GB(S)

- Es = 205000 N/mm²
- Fy (N/mm²)

1) BC1:12-BS

Material type

Fy-1

Fy-2

Fy-3

Fy-4

Fy-5

Fy-6

S235

S275

S355

S420

S460

S500

S550

S620

S690

235.

275.

355.

420.

460.

500.

550.

620.

690.

225.

265.

345.

400.

440.

500.

550.

620.

690.

215

255

335

390

430

480

530

580

650

215

245

325

370

410

480

530

580

650

215

235

315

360

400

480

530

580

650

195

225

295

340

380

440

4490

560

630

- Max. thickness for applying Fy (mm)

Material type	Fy-1	Fy-2	Fy-3	Fy-4	Fy-5	Fy-6
All	16.0	40.0	63.0	80.0	100.0	150.0

2) BC1:12-ASTM

Material type

Fy-1

Fy-2

Fy-3

Fy-4

Fy-5

36[250]

42[290]

50[345]

55[380]

60[415]

65[450]

70[485]

100[690]

250

290

345

380

415

450

485

690

420

280

335

370

405

440

475

680

430

270

325

360

395

430

465

670

220

260

315

350

385

420

455

660

210

250

305

340

375

410

445

650

- Max. thickness for applying Fy (mm)

Material type	Fy-1	Fy-2	Fy-3	Fy-4	Fy-5
All	32.0	50.0	65.0	80.0	100.0

3) BC1:12-JIS

Material type

Fy-1

Fy-2

Fy-3

Fy-4

Fy-5

Fy-6

400

490

490Y

520

570

245

325

365

460

235

315

355

450

215

295

335

430

215

295

325

420

205

285

195

275

- Max. thickness for applying Fy (mm)

Material type	Fy-1	Fy-2	Fy-3	Fy-4	Fy-5	Fy-6
All	16.0	40.0	75.0	100.0	160.0	200.0

4) BC1:12-GB

Material type

Fy-1

Fy-2

Fy-3

Fy-4

Fy-5

Q235

Q275

Q295

Q345

Q355

Q390

Q420

Q460

235

275

295

345

355

390

420

460

225

265

275

325

345

370

400

440

215

255

295

335

350

380

420

215

245

235

275

325

330

360

400

275

225

- Max. thickness for applying Fy (mm)

Material type	Fy-1	Fy-2	Fy-3	Fy-4	Fy-5
All	16.0	35.0	50.0	100.0	150.0

5) BC1:12-Class2

Thickness (mm)

100

150

Strength, Py (MPa)

Pyo=Ys/1.1

≤ Us/1.3 or 460 N/mm2

0.95Pyo

0.92Pyo

0.90Pyo

0.85Pyo

0.80Pyo

6) BC1:12-Class3

Thickness (mm)	16	40	63	80	100	150
Strength, Py (MPa)	170	160	155	150	145	135

(8) JIS(S)

- Es = 205000 N/mm²
- Fy (N/mm²)

Material type

Fy-a

Fy-b

SN400A

SN400B

SN400C

SN490B

SN490C

SS400

STK400

STKR400

SSC400

SS490

SS540

SM400

SMA400

SM490

SM490Y

SMA490

STK490

STKR490

SM520

SCW410-CF

SCW480-CF

SCW490-CF

SCW520-CF

235.

325.

325

235.

275.

370.

235.

325.

355.

235.

275.

315.

355.

215.

295.

215.

255.

370.

215.

295.

355.

235.

275.

315.

355.

- Max. thickness for applying Fy (mm)

Material type	Fy-a	Fy-b
All other Series	40.0	100.0

(9) GB(S)

- Es = 205000 N/mm²
- Fy (N/mm²)

Material type

Fy-1

Fy-2

Fy-3

Grade3

16Mn

16Mnq

15MnV

15MnVq

235.

345.

390.

225.

325.

370.

215.

295.

350.

- Max. thickness for applying Fy (mm)

Material type

Fy-1

Fy-2

Fy-3

Grade3

Round, square and flat

Angles, channel and I-shapes Plates

Other Series

40.0

15.0

20.0

16.0

100.0

20.0

40.0

25.0

Over 20.0

50.0

36.0

(10)JGJ(S)

- Es = 206000 N/mm²
- Fy (N/mm²)

Material type

Fy-1

Fy-2

Fy-3

Fy-4

Q235

Q295

Q345

Q390

Q420

235.

295.

345.

390.

420.

225.

275.

325.

370.

400.

215.

255.

295.

350.

380.

205.

235.

275.

330.

360.

- Max. thickness for applying Fy (mm)

Material type

Fy-1

Fy-2

Fy-3

Fy-4

Q235

Other Series

16.0

40.0

35.0

60.0

50.0

100.0

(11)JTJ(S)

- Es = 210000 N/mm²
- Fy (N/mm²)

Material type

Fy-1

Fy-2

Fy-3

Fy-4

16Mn

240.

345.

240.

325.

240.

315.

240.

295.

- Max. thickness for applying Fy (mm)

Material type	Fy-1	Fy-2	Fy-3	Fy-4
16Mn	16.0	25.0	36.0	50.0

(12) KS(S)

- Es = 2100 tonf/cm²
- Fy (tonf/cm²)

Material type

Fy-a

Fy-b

SS41

SPS41

SPSR41

SS50

SS55

SS400

SPS400

SPSR400

SS490

SS540

SWS41

SWS50

SWS50Y

SPS50

SPSR50

SWS53

SWS58

SWS400

SWS490

SWS490Y

SWS490YMC

SWS520

SWS520TMC

SWS570

SWS520(LSD)

SWS570(LSD)

SM400

SM490Y

SMA490

SCW490-CF

SPS490

SPSR490

SM490TMC

SM520

SM520TMC

SM570

SM520(LSD)

SM570(LSD)

SMA41

SMA50

SMA58

SSC400

ZSS400

2.4

2.8

3.8

2.4

2.8

3.8

2.4

3.3

3.6

4.1

2.4

3.3

3.6

4.1

3.6

4.3

2.1

3.3

3.6

4.1

3.6

4.3

2.4

3.3

4.1

2.4

3.0

2.2

2.6

3.8

2.2

2.6

3.8

2.2

3.0

3.4

4.1

2.2

3.0

3.3

3.4

3.6

4.1

3.3

4.3

2.2

3.0

3.3

3.4

3.6

4.1

3.3

4.3

2.2

3.0

4.1

2.4

3.0

- Max. thickness for applying Fy (mm)

Material type

Fy-a

Fy-b

490-CF

490TMC

Others

8.0

40.0

60.0

80.0

100.0

(13) KS-Civil(S)

- Es = 2100 tonf/cm²
- Fy (tonf/cm²)

Material type

Fy-a

Fy-b

Fy-C

SS41

SPS41

SPS50

SS400

SPS400

SPS490

SWS41

SWS50

SWS50Y

SWS53

SWS58

SWS400

SWS490

SWS490Y

SWS520

SWS570

SM400

SM490

SM490Y

SM520

SM570

SMA41

SMA50

SMA58

SMA400

SMA490

SMA570

2.4

3.2

2.4

3.2

2.5

3.3

3.7

4.7

2.5

3.3

3.7

4.7

2.4

3.2

3.6

4.6

2.4

3.6

4.6

2.4

3.6

4.6

2.2

3.0

2.2

3.0

2.4

3.2

3.6

4.6

2.4

3.2

3.6

4.6

2.2

3.0

3.4

4.4

2.2

3.4

4.4

2.2

3.4

4.4

2.2

3.0

2.2

3.0

2.2

3.0

3.4

4.4

2.2

3.0

3.4

4.4

2.2

3.0

3.3

4.3

2.2

3.3

4.3

2.2

3.3

4.3

- Max. thickness for applying Fy (mm)

Material type

Fy-a

Fy-b

Fy-c

SS, SM

Others

40.0

16.0

75.0

40.0

100.0

40.0

Note 4

When 'None' is specified in the Code entry field, design can be performed by using the user defined material properties.