Stainless Steel Square Bar

Materials

303,304,304L,310,310S,316,316L,321,347,420,430,2205

Standard

GB,SUS,AISI,DIN174,ASTM A276/484M

Specification

3×30~ 200×200（1/8"~4"）

Delivery State

HR,HRP,Sandblast,Polishing

Theoretical Weight

（width+width-thickness）（mm）×thickness（mm）×0.00793

GB/T 905-94

Tolerance For Square Bars

Size

Rank

H8

H9

H10

H11

H12

H13

3

0~-0.014

0~-0.025

0~-0.040

0~-0.060

0~-0.100

0~-0.140

﹥3~≦6

0~-0.018

0~-0.030

0~-0.048

0~-0.075

0~-0.120

0~-0.180

﹥6~≦10

0~-0.022

0~-0.036

0~-0.058

0~-0.090

0~-0.150

0~-0.220

﹥10~≦18

0~-0.027

0~-0.043

0~-0.070

0~-0.110

0~-0.180

0~-0.270

﹥18~≦30

0~-0.033

0~-0.052

0~-0.084

0~-0.130

0~-0.210

0~-0.330

﹥30~≦50

0~-0.039

0~-0.062

0~-0.100

0~-0.160

0~-0.250

0~-0.390

﹥50~≦80

0~-0.046

0~-0.074

0~-0.120

0~-0.190

0~-0.300

0~-0.460

GB/T 702-2008

Tolerance For HR Flat Bars

Opposite side distance(mm)

Rank

Group

Group

Group

﹥7~≦20

±0.25

±0.35

±0.40

﹥20~≦30

±0.30

±0.40

±0.50

﹥30~≦50

±0.40

±0.50

±0.60

﹥50~≦80

±0.60

±0.70

±0.80

﹥80~≦110

±0.90

±1.00

±1.10

﹥110~≦150

±1.20

±1.30

±1.40

GB/T 908-2008

Tolerance For Forged Flat Bars

Size

Rank

Size

Rank

Group

Group

Group

Group

﹥50~≦60

+1.5  -1.0

+2.0  -1.0

﹥160﹣≦180

+4.0  -2.0

+5.0  -2.0

﹥60~≦80

+2.0  -1.0

+2.5  -1.0

﹥180﹣≦200

+5.0  -2.0

+6.0  -2.0

﹥80~≦100

+2.5  -1.0

+3.0  -1.0

﹥200﹣≦220

+5.0  -3.0

+6.0  -3.0

﹥100~≦120

+2.5  -1.5

+3.0  -1.5

﹥220﹣≦240

+6.0  -3.0

+7.0  -3.0

﹥120~≦140

+3.0  -1.5

+3.5  -1.5

﹥240﹣≦250

+7.0  -3.0

+8.0  -3.0

﹥140~≦160

+3.0  -2.0

+4.0  -2.0

﹥250

+8.0  -3.0

+9.0  -3.0