12/20/12 JIS G3101 1995

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日本标准

(Properties minima unless stated)

Grade

钢号

Steel Product

钢材产品

Chemical Composition 化学成份 %

maximum 最大

Yield Stress

屈服强度

N/mm2

Tensile Strength

抗拉强度

N/mm2

Thickness

mmThickness 厚度 t (mm)

C Mn P S t£16 16<t£40 t>40

SS 330

(SS 34)

Steel plates and sheets, coils,

flats and bars

- - 0.05 0.05 205 195 175 330 to 430 Steel plates and sheets, coils and flats

t£5

Steel plates and sheets, coils and flats

5<t£16

Steel plates and sheets, coils and flats

16<t£50

Steel plates and sheets, and flats

t>40

Steel bars t£25 in diameter, side or distance across flats

Steel bars t>25 in diameter, side or distance across flats

SS 400

(SS 41)

Steel plates and sheets, coils,

sections, flats and bars

- - 0.05 0.05 245 235 215 400 to 510 Steel plates and sheets, coils, flats and sections

t£5

Steel plates and sheets, coils, flats and sections

5<t£16

Steel plates and sheets, coils, flats and sections

16<t£50

Steel plates and sheets, flats and sections

t>40

Steel bars t£25 in diameter, side or distance across flats

Steel bars t>25 in diameter, side or distance across flats

SS 490

(SS 50)

Steel plates and sheets, coils,

sections, flats and bars

- - 0.05 0.05 285 275 255 490 to 610 Steel plates and sheets, coils, flats and sections

t£5

Steel plates and sheets, coils, flats and sections

5<t£16

Steel plates and sheets, coils, flats and sections

16<t£50

Steel plates and sheets, flats and sections

t>40

Steel bars t£25 in diameter, side or distance across flats

Steel bars t>25 in diameter, side or distance across flats

SS 540

(SS 55)

Steel plates and sheets, coils,

sections, and flats 40mm or

under in thickness and steel

bars 40mm or under in

diameter, side length or

distance across flats

0.30 1.60 0.04 0.04 400 390 - 540 Steel plates and sheets, coils, flats and sections

t£5

Steel plates and sheets, coils, flats and sections

5<t£16

Steel plates and sheets, coils, flats and sections

16<t£40

Steel bars t£25 in diameter, side or distance across flats

Steel bars t>25 in diameter, side or distance across flats

(Properties minima unless stated)

Grade

钢号

Applicable Products

有关产品

Thickness

厚度 t

mm

Chemical Composition 化学成份 %

C Si Mn P S

£16

SM400A Steel plate, coil, section andt£50 0.23 - 2.5xC min.1) 0.035 0.035 245

12/20/12 JIS G3101 1995

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(SM41A) flat50<t£200 0.25 - 2.5xC min.1) 0.035 0.035 245

SM400B

(SM41B)

Steel plate, coil, section and

flat

t£50 0.20 0.35 0.60 to 1.40 0.035 0.035 245

50<t£200 0.22 0.35 0.60 to 1.40 0.035 0.035 245

SM400C Steel plate, coil and section t£100 0.18 0.35 1.40 0.035 0.035 245

SM490A

(SM50A)

Steel plate, coil, section and

flat

t£50 0.20 0.55 1.60 0.035 0.035 325

50<t£200 0.22 0.55 1.60 0.035 0.035 325

SM490B

(SM50B)

Steel plate, coil, section and

flat

t£50 0.18 0.55 1.60 0.035 0.035 325

50<t£200 0.20 0.55 1.60 0.035 0.035 325

SM490C Steel plate, coil and section t£100 0.18 0.55 1.60 0.035 0.035 325

SM490YA

(SM50YA) Steel plate, coil, section and

flat

t£100 0.20 0.55 1.60 0.035 0.035 365

SM490YB

(SM50YB)t£100 0.20 0.55 1.60 0.035 0.035 365

SM520B

(SM53B)

Steel plate, coil, section and

flatt£100 0.20 0.55 1.60 0.035 0.035 365

SM520C Steel plate, coil and section t£100 0.20 0.55 1.60 0.035 0.035 365

SM570 Steel plate, coil and section t£100 0.18 0.55 1.60 0.035 0.035 460

(Properties minima unless stated)

Grade

钢号

Thickness

厚度 tmm

Chemical Composition 化学成份 %

(Maximum 最大)Yield Stress

屈服强度

N/mm2Tensile

Strength

抗拉强度

N/mm2

Yield Ratio %

屈服率(Maximum 最大)

Elongation 伸长率 %

Charpy

Energy J at

0ºC (for

t>12 only)

冲击功C Si Mn P S

CEV4)

Test Piece No. 测试片号数

1A 1A 4

Thickness

厚度 t mmThickness 厚度 1)

t mm

Thickness 厚度1)

t mm

Thickness 厚度1)

t mm

£40 40£t£100 6£t<12 12£t<16 = 16 16<t£40 40<t£100 6£t<12 12£t<16 = 16 16<t£40 40<t£100 6£t£16 16£<t£50 40< t£100

SN400A 6£t£100 0.24 - - 0.05 0.05 - - 235 235 235 235 215

400 to

510

- - - - - 17 21 23 -

SN400B

6£t£50

CSW5) =0.260.20 0.35

0.6

to

1.4

0.03 0.015 0.36 0.36 2352352) to

355

2352) to

355235 to 355 215 to 355 - 803) 803) 80 80 18 22 24

27

(Test Piece

No.4 in

roll ing

direction)

50<t£100

CSW5) =0.260.22 0.35

0.6

to

1.4

0.03 0.015 0.36 0.36 2352352) to

355

2352) to

355235 to 355 215 to 355 - 803) 803) 80 80 18 22 24

SN400C

6£t£50

CSW5) =0.260.20 0.35

0.6

to

1.4

0.02 0.008 0.36 0.36 N.A. N.A.2352) to

355235 to 355 215 to 355 N.A. N.A. 803) 80 80 18 22 24

50<t£100

CSW5) =0.260.22 0.35

0.6

to

1.4

0.02 0.008 0.36 0.36 N.A. N.A.2352) to

355235 to 355 215 to 355 N.A. N.A. 803) 80 80 18 22 24

6£t£500.18 0.55 1.6 0.03 0.015 0.44 0.46 325

3252) to 3252) to325 to 445 295 to 415 - 803) 803) 80 80 17 21 23

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SN490B CSW5) =0.29 445 445

490 to

610

50<t£100

CSW5) =0.290.20 0.55 1.6 0.03 0.015 0.44 0.46 325

3252) to

445

3252) to

445325 to 445 295 to 415 - 803) 803) 80 80 17 21 23

SN490C

6£t£50

CSW5) =0.290.18 0.55 1.6 0.02 0.008 0.44 0.46 N.A. N.A. 3252) to

445325 to 445 295 to 415 N.A. N.A. 803) 80 80 17 21 23

50<t£100

CSW5) =0.290.20 0.55 1.6 0.02 0.008 0.44 0.46 N.A. N.A.

3252) to

445325 to 445 295 to 415 N.A. N.A. 803) 80 80 17 21 23

Notes : 1), 2), 3), 4), 5) references shall be made to JIS Handbook, Ferrous Materials & Metallurgy II, 1998

(Properties minima unless stated)

Grade

钢号

Quality

品质

Thickness t

厚度mm

Chemical Composition 化学成份 %Tensile Strength1)

抗拉强度

N/mm2

Elongation

C Mn P S1.2£t<1.6 1.6£t<2.0 2.0£t<2.5

maximum 最大

SPHC Commercial 1.2£t£14 0.15 0.60 0.050 0.050 270 27 29 29

SPHD Drawing 1.2£t£14 0.10 0.50 0.040 0.040 270 30 32 33

SPHE Deep Drawing 1.2£t£6 0.10 0.50 0.03 0.035 270 31 33 35

Notes:1) The values specified for tensile strength, elongation and bendability shall not be applied to irregular portions of both ends of the steel coil.

(Properties minima unless stated)

Grade

钢号

Tensile2) Strength

抗拉强度 (min.最小)

N/mm2

Elongation 伸长率 % (minimum 最小)

Tensile Test Piece

抗拉测试片thickness 厚度 t (mm)

0.25£t<0.40 0.40£t<0.60 0.60£t<1.0 1.0£t<1.6 1.6£t<2.5 2.5£t

SPCC (270)1) (32)1) (34)1) (36)1) (37)1) (38)1) (39)1)

No.5 in roll ing direction

SPCD 270 34 36 38 39 40 41

SPCE3) 270 36 38 40 41 42 43

Notes :1) The tensile test value is not applicable to SPPC. When (SPCCT) is specified, values in parentheses shall be applied.

2) For those less than 0.60mm in thickness, the tensile test is omitted.

3) When the steel sheet and coil of standard tempered grade in quality SPCE are specified non-aging property (SPCEN), this shall be guaranteed for 6 months after shipment from the manufacturer's factory.