鑄件基本尺寸

一般公差

特別公差

in

mm

in

mm

in

mm

up to 1/2

≤ 12.70

± 0.007

± 0.18

± 0.003

± 0.08

up to 1

≤ 25.40

± 0.010

± 0.25

± 0.005

± 0.13

up to 2

≤ 50.80

± 0.013

± 0.33

± 0.008

± 0.20

up to 3

≤ 76.20

± 0.016

± 0.41

± 0.010

± 0.25

up to 4

≤ 101.60

± 0.019

± 0.48

± 0.012

± 0.30

up to 5

≤ 127.00

± 0.022

± 0.56

± 0.014

± 0.36

up to 6

≤ 152.40

± 0.025

± 0.64

± 0.015

± 0.38

up to 7

≤ 177.80

± 0.028

± 0.71

± 0.016

± 0.41

up to 8

≤ 203.20

± 0.031

± 0.79

± 0.017

± 0.43

up to 9

≤ 228.60

± 0.034

± 0.86

± 0.018

± 0.46

up to 10

≤ 254.00

± 0.037

± 0.94

± 0.019

± 0.48

最大尺寸

>

0

40

63

100

160

250

400

≤

40

63

100

160

250

400

630

機械加工余量 RMA

0.4

0.4

0.7

1.1

1.4

1.4

2.2

類別

ASTM

W-Nr.

AISI

JIS

SS

GB

鐵素體不銹鋼

430

1.4016

430

430

2320

ZG1Cr17

馬氏體不銹鋼

ASTM A743CA15

1.4011

410

SCS1

2301

ZG 10Cr13

ASTM A743 CA40

1.4028

420

SCS2

2304

ZG 20Cr13

奧氏體不銹鋼

ASTM A743 CF-8

1.4308

304

SCS13

2333

ZG07Cr19Ni9

ASTMA 743 CF -8M

1.4408

316

SCS 14A

2343

ZG07Cr19Ni11Mo2

ASTM A743 CF -3M

1.4409

316L

SCS 16A

2348

ZG03Cr19Ni11Mo2

ASTM A743 CK-20

1.4840

310

SCS18

沉淀硬化不銹鋼

ASTM A747 CB7Cu-1

1.4542

17-4PH

SCS24

雙相不銹鋼

ASTM A890 CD3MN

1.4470

2205

SCS10

2377

ASTM A890CD4MCu

碳素鑄鋼

ASTM A732 IC1020

1.0446

1020

SC360

ZG200-400

ASTM A732IC1040

1.0558

1040

SCC5

ZG310-570

ASTM A216 WCC

1.1120

ZG20Mn

低合金鋼

1.7218

(4130)

SCCrM1

25CrMo, 20CrMo

ASTM A732 IC4140

1.7225

4140

ZG42CrMo

ASTM A732 IC8620

1.6523

8620

(20CrNiMo)

ASTM A732 IC8640

1.6546

8640

(40CrNiMo)

工具鋼

ASTM A597 CS-7

1.2357

S7

ASTM A597 CA-2

1.2363

A2

SKD12

2260

ASTM A597 CH-13

1.2344

H13

SKD61

2242