Modify Steel Material – MIDAS Support

Function

Use this function to modify a part of the 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 : Steel Design] > [Design Input Data] group > [Modify Steel Material]

Input

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

Material List

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

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

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	36
A53	35
A242-40	40
A242-42	42
A242-46	46
A242-50	50
A441-40	40
A441-42	42
A441-46	46
A441-50	50
A500-33	33
A500-39	39
A500-42	42
A500-46	46
A500-50	50
A501	36
A514-90	90
A514-100	100
A529-42	42
A529-50	50
A570-40	40
A570-42	42
A572-42	42
A572-50	50
A572-60	60
A572-65	65
A588-40	40
A588-42	42
A588-46	46
A588-50	50
A606-45	45
A606-50	50
A607-45	45
A607-50	50
A607-55	55
A607-60	60
A607-65	65
A607-70	70
A618-50	50
A852	70

(2) CSA(S)

- Es = 200000 N/mm2
- Fy (N/mm2)

Material type	Fy-1	Fy-2	Fy-3
230G(H)	230	230	230
350G(H)	350	350	350
400G(H)	400	400	400
260W(H)	260	260	260
300W(H)	300	290	280
350W(H)	350	330	320
380W(H)	380	380	380
400W(H)	400	400	400
480W(H)	480	480	480
260WT(H)	260	260	260
300WT(H)	300	290	290
350WT(H)	350	330	330
380WT(H)	380	380	380
400WT(H)	400	400	400
480WT(H)	480	480	480
350R(H)	350	350	350
350A(H)	350	350	350
400A(H)	400	400	400
480A(H)	480	480	480
350AT(H)	350	350	350
400AT(H)	400	400	400
480AT(H)	480	480	480
700Q(H)	700	700	700
700QT(H)	700	700	700
230G(C)	230	230	230
350G(C)	350	350	350
400G(C)	400	400	400
260W(C)	260	260	260
300W(C)	300	290	280
350W(C)	350	330	320
380W(C)	380	380	380
400W(C)	400	400	400
480W(C)	480	480	480
260WT(C)	260	260	260
300WT(C)	300	290	290
350WT(C)	350	330	330
380WT(C)	380	380	380
400WT(C)	400	400	400
480WT(C)	480	480	480
350R(C)	350	350	350
350A(C)	350	350	350
400A(C)	400	400	400
480A(C)	480	480	480
350AT(C)	350	350	350
400AT(C)	400	400	400
480AT(C)	480	480	480
700Q(C)	700	700	700
700QT(C)	700	700	700

- Max. thickness for applying Fy (mm)

Hollow Structural Sections

Material type	Fy-1	Fy-2	Fy-3
300W	16
350W, 350WT	16
380W, 380WT	16
350A, 350AT	16

Plates, Bars and Welded Shapes

Material type	Fy-1	Fy-2	Fy-3
350R	14
400W, 400WT	20
480W, 480WT	20
480A, 480AT	20
350G, 400G	30
400A, 400AT	40
700Q, 700QT	50
350WT	40	60	100
260W, 260WT	40	65	100
300W, 300WT	40	65	100
350W, 350WT	40	65	100
350A, 350AT	40	65	100
230G	40	65	300

Rolled Shapes and Sheet Piling (G=Group)

Material type	Fy-1	Fy-2	Fy-3
350R	G1
400W	G1
480W, 480WT	G1
400WT	G1,2
400A, 400AT	G1,2
300W	G1,2	G3
350G, 400G	G1,2	G3
350WT	G1,2	G3,4
260W	G1,2	G3,4
230G	G1,2	G3,4	G5
260WT, 300WT	G1,2	G3,4	G5
350A, 350AT	G1,2	G3,4	G5

(3) BS(S)

- Es = 205000 N/mm2
- Fy (N/mm2)

Material type	Fy-a	Fy-b	Fy-c	Fy-d
43A	275	265	255	245
43B	275	265	255	245
43B(T)	275	265	255	245
43C	275	265	255	245
43D	275	265	255	245
43DD	275	265	255	245
43E	275	265	255	245
43EE	275	265	255	245
50A	355	345	340	325
50B	355	345	340	325
50B(T)	355	345	340	325
50C	355	345	340	325
50D	355	345	340	325
50DD	355	345	340	325
50E	355	345	340	325
50EE	355	345	340	325
50F	355	345	340	325
55C	450	430	415	400
55EE	450	430	415	400
55F	450	430	415	400
WR50A	355	355	355	355
WR50B	355	355	355	355
WR50C	355	355	355	355

- Max. thickness for applying Fy (mm)

Material type	Fy-a	Fy-b	Fy-c	Fy-d
43,50 Series	16	40	63	100
55 Series	16	25	40	63

(4) DIN(S)

- Es = 210000 N/mm2
- Fy (N/mm2)

Material type	Fy-a	Fy-b
St37-2	240	215
USt37-2	240	215
RSt37-2	240	215
St52-3	360	325
StE355	360	325
WStE355	360	325
TStE355	360	325
EStE355	360	325
GS-52	260	260
GS-20Mn5	260	260
C35N	300	270

- Max. thickness for applying Fy (mm)

Material type	Fy-a	Fy-b
GS Series	100	-
C35N	16	80
Others	40	80

(5) EN(S)

- Es = 210000 N/mm2
- Fy (N/mm2)

Material type	Fy-a	Fy-b
S235	235	215
S275	275	255
S355	355	335
S420	420	390
S460	460	430
Fe360	235	215
Fe430	275	255
Fe510	355	335
FeE275	275	255
FeE355	355	355
S420M	420	390
S460M	460	430

- Max. thickness for applying Fy (mm)

Material type	Fy-a	Fy-b
All other Series	40	100

(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	235	225	215	215	215	195
S275	275	265	255	245	235	225
S355	355	345	335	325	315	295
S450	440	430	410	390	380	380
S275N/NL	275	265	255	245	235	225
S355N/NL	355	345	335	325	315	295
S420N/NL	420	400	390	370	360	340
S460N/NL	460	440	430	410	400	380
S275M/ML	275	265	255	245	245	240
S355M/ML	355	345	335	325	325	320
S420M/ML	420	400	390	380	370	365
S460M/ML	460	440	430	410	400	385
S235W	235	225	215	215	215	195
S355W	355	345	335	325	315	295
S460Q/QL/QL1	460	440	400	400	400	400

- Max. thickness for applying Fy (mm)

Material type	Fy-1	Fy-2	Fy-3	Fy-4	Fy-5	Fy-6
S460Q/QL/QL1	50	100	150	-	-	-
M/ML Series	16	40	63	80	100	120
All other Series	16	40	63	80	100	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	235	225	215	215	215	195
S275	275	265	255	245	235	225
S355	355	345	335	325	315	295
S420	420	400	390	370	360	340
S460	460	440	430	410	400	380
S500	500	500	480	480	480	440
S550	550	550	530	530	530	490
S620	620	620	580	580	580	560
S690	690	690	650	650	650	630

- Max. thickness for applying Fy (mm)

Material type	Fy-1	Fy-2	Fy-3	Fy-4	Fy-5	Fy-6
All	16	40	63	80	100	150

2) BC1:12-ASTM

Material type	Fy-1	Fy-2	Fy-3	Fy-4	Fy-5
36[250]	250	420	430	220	210
42[290]	290	280	270	260	250
50[345]	345	335	325	315	305
55[380]	380	370	360	350	340
60[415]	415	405	395	385	375
65[450]	450	440	430	420	410
70[485]	485	475	465	455	445
100[690]	690	680	670	660	650

- Max. thickness for applying Fy (mm)

Material type	Fy-1	Fy-2	Fy-3	Fy-4	Fy-5
All	32	50	65	80	100

3) BC1:12-JIS

Material type	Fy-1	Fy-2	Fy-3	Fy-4	Fy-5	Fy-6
400	245	235	215	215	205	195
490	325	315	295	295	285	275
490Y	365	355	335	325	-	-
520	365	355	335	325	-	-
570	460	450	430	420	-	-

- Max. thickness for applying Fy (mm)

Material type	Fy-1	Fy-2	Fy-3	Fy-4	Fy-5	Fy-6
All	16	40	75	100	160	200

4) BC1:12-GB

Material type	Fy-1	Fy-2	Fy-3	Fy-4	Fy-5
Q235	235	225	215	215	275
Q275	275	265	255	245	225
Q295	295	275	255	235	-
Q345	345	325	295	275	-
Q355	355	345	335	325	-
Q390	390	370	350	330	-
Q420	420	400	380	360	-
Q460	460	440	420	400	-

- Max. thickness for applying Fy (mm)

Material type	Fy-1	Fy-2	Fy-3	Fy-4	Fy-5
All	16	35	50	100	150

5) BC 1:12-Class2

Thickness (mm)	16	40	63	80	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) BC 1:12-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	235	215
SN400B	235	215
SN400C	235	215
SN490B	325	295
SN490C	325	295
SS400	235	215
STK400	235	215
STKR400	235	215
SSC400	235	215
SS490	275	255
SS540	370	370
SM400	235	215
SMA400	235	215
SM490	325	295
SM490Y	325	295
SMA490	325	295
STK490	325	295
STKR490	325	295
SM520	355	355
SCW410-CF	235	235
SCW480-CF	275	275
SCW490-CF	315	315
SCW520-CF	355	355

- Max. thickness for applying Fy (mm)

All other Series

100

(9) GB(S)

- Es = 206000 N/mm2
- Fy (N/mm2)

Material type	Fy-1	Fy-2	Fy-3
Grade3	235	225	215
16Mn	345	325	295
16Mnq	345	325	295
15MnV	390	370	350
15MnVq	390	370	350

- Max. thickness for applying Fy (mm)

Material type	Fy-1	Fy-2	Fy-3
Grade3
Round, square and flat	40	100
Angles, channel and I-shapes	15	20	Over 20.0
Plates	20	40	50
Other Series	16	25	36

(10) JGJ(S)

- Es = 206000 N/mm2
- Fy (N/mm2)

Material type	Fy-1	Fy-2	Fy-3	Fy-4
Q235	235	225	215	205
Q295	295	275	255	235
Q345	345	325	295	275
Q390	390	370	350	330
Q420	420	400	380	360

- Max. thickness for applying Fy (mm)

Material type	Fy-1	Fy-2	Fy-3	Fy-4
Q235	16	40	60	100
Other Series	16	35	50	100

(11) JTJ(S)

- Es = 210000 N/mm2
- Fy (N/mm2)

Material type	Fy-1	Fy-2	Fy-3	Fy-4
A3	240	240	240	240
16Mn	345	325	315	295

- Max. thickness for applying Fy (mm)

Material type	Fy-1	Fy-2	Fy-3	Fy-4
16Mn	16	25	36	50

(12) KS(S)

- Es = 2100 tonf/cm2
- Fy (tonf/cm2)

Material type	Fy-a	Fy-b
SS41	2.4	2.2
SPS41	2.4	2.2
SPSR41	2.4	2.2
SS50	2.8	2.6
SS55	3.8	3.8
SS400	2.4	2.2.
SPS400	2.4	2.2
SPSR400	2.4	2.2
SS490	2.8	2.6
SS540	3.8	3.8
SWS41	2.4	2.2
SWS50	3.3	3
SWS50Y	3.3	3
SPS50	3.3	3
SPSR50	3.3	3
SWS53	3.6	3.4
SWS58	4.1	4.1
SWS400	2.4	2.2
SWS490	3.3	3
SWS490Y	3.3	3
SWS490TMC	3.3	3.3
SWS520	3.6	3.4
SWS520TMC	3.6	3.6
SWS570	4.1	4.1
SWS520(LSD)	3.6	3.3
SWS570(LSD)	4.3	4.3
SM400	2.4	2.2
SM490Y	3.3	3
SMA490	3.3	3
SCW490-CF	3.3	3
SPS490	3.3	3
SPSR490	3.3	3.3
SM490TMC	3.3	3.3
SM520	3.6	3.4
SM520TMC	3.6	3.6
SM570	4.1	4.1
SM520(LSD)	3.6	3.3
SM570(LSD)	4.3	4.3
SMA41	2.4	2.2
SMA50	3.3	3
SMA58	4.1	4.1
SSC400	2.4	2.4
ZSS400	3	3

- Max. thickness for applying Fy (mm)

Material type	Fy-a	Fy-b
490-CF	8	60
490TMC	40	80
Others	40	100

(13) KS-Civil(S)

- Es = 2100 tonf/cm2
- Fy (tonf/cm2)

Material type	Fy-a	Fy-b	Fy-c
SS41	2.4	2.2	2.2
SPS41	2.4	2.2	2.2
SPS50	3.2	3	3
SS400	2.4	2.2	2.2
SPS400	2.4	2.2	2.2
SPS490	3.2	3	3
SWS41	2.5	2.4	2.2
SWS50	3.3	3.2	3
SWS50Y	3.7	3.6	3.4
SWS53	3.7	3.6	3.4
SWS58	4.7	4.6	4.4
SWS400	2.5	2.4	2.2
SWS490	3.3	3.2	3
SWS490Y	3.7	3.6	3.4
SWS520	3.7	3.6	3.4
SWS570	4.7	4.6	4.4
SM400	2.4	2.2	2.2
SM490	3.2	3	3
SM490Y	3.6	3.4	3.3
SM520	3.6	3.4	3.3
SM570	4.6	4.4	4.3
SMA41	2.4	2.2	2.2
SMA50	3.6	3.4	3.3
SMA58	4.6	4.4	4.3
SMA400	2.4	2.2	2.2
SMA490	3.6	3.4	3.3
SMA570	4.6	4.4	4.3

- Max. thickness for applying Fy (mm)

Material type	Fy-a	Fy-b	Fy-c
SS, SM	40	75	100
Others	16	40	40

Note 4
When 'None' is specified in the Code entry field, design can be performed by using the user defined material properties.