《国家标准》GB ASTM DIN 公差对比

锅

炉

管

系

列

◆标准

Standard:

DIN 17175 ---German Standard

ASME SA192,SA106,SA209,SA210,SA213,SA556---Standard of American Society of Mechanical Engineers

GB 5310,3087---Chinese National Standard

Q/BQB 201---Baosteel Corporation Standard

◆用途

Uses:

用于低中压、高压及其 以上压力锅炉的水冷壁、省煤器、再热器、过滤器及蒸气管道的制造。

For

manufacture

of

low/medium/high

and

higher

pressure

boilers,water

cooling

panels,coal-saving

devices,reheaters,superheaters and steam pipelines

◆尺寸公差

Tolerances on Dimensions:

壁厚允许偏差

Wall Thickness Tolerance:

壁厚

壁厚允许偏差

Wall Thickness

Tolerance

S (mm)

S≤2·Sn

+15%,-10%

+12.5%,-10%

±

9%

+1 5%

，

-10%

±12.5%

±

10%

+12.5%,-15%

±

10%

+15% (

最小为

+0.48 mm)

<3.5

-10% (

最小为

-0.32 mm)

外径

标准

Outside Diameter

Standard

da (mm)

≤130

DIN17175

Q/BQB201

>130

2·Sn

S>4·

Sn

S≤0.05da

0.05da

S>0.11da

3-20

GB3087

--

>20

GB5310

--

3.5-20

>20

+15%,-10%

±

10%

2.4-3.8

ASME SA450

--

>3.8-4.6

>4.6

ASME SA530

+35%,-0%

+35%,-0%

+23%,-0%

±

12.5%

--

--

外径允许偏差

Outside Diameter Tolerance:

标准

Standard

外径

Outside Diameter(mm

）

≤100

外径允许偏差

Tolerance

±

0.75% (min=0.5mm)

±

0.90%

+1.25% -1.0%

±

0.5 (mm)

±

1.0%

+0.4 -0.8 (mm)

+0.4 -1.2 (mm)

+0.4 -0.8 (mm)

±

0.8 (mm)

+1.6 -0.8 (mm)

DIN17175 Q/BQB201

>100

GB3087

≤159

≤50

GB5310

>50

≤101.6

ASME SA450

>101.6-190.5

≤48.3

ASME SA530

>48.3-114.3

>114.3

◆力学性能

Mechanical Properties:

下列壁厚钢管

的屈服点

冲击功（纵

Yield Point

抗拉强

atthefollowing

度

wall thickness

牌号

Grade

Tensile

σs

Strength

Mpa

σb

不小于

Mpa

not less than

＜

≥15mm

15mm

10

20

333-490

196

226

24

20

-

-

than

不小于

not less

J

不小于

(longitrdinal)

δ5%

Energy

Elongation

Impact

伸长率

向）

硬度

不大于

Hardess not more

than

洛氏硬度

布氏硬度

Rockwell

Brinell

采用标准

Standard

壁厚

Wall

壁厚

Wall

Thickness

Thickness

not less than

＜

5.1mm

≥5.1mm

-

-

-

GB3087

-

392-588

245

＞

≤16mm

16mm

225

245

25

21

22

22

20

20

21

24

22

20

22

22

21

21

-

-

-

St35.8

Sr45.8

15Mo3

360-480

235

410-530

255

450-600

-

-

-

-

-

55

41

35

35

35

35

35

35

35

-

-

-

-

-

-

-

-

-

-

-

Q/BQB201

DIN17175

270

290

280

320

245

13CrMo44

440-590

10CrMo910

450-600

14MoV63

460-610

12Cr1MoV

470-640

255

20G

20MnG

25MnG

15MoG

20MoG

12CrMoG

15CrMoG

410-550

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

GB5310

245

240

275

270

220

205

235

≥415

≥485

450-600

≥415

410-560

440-640

12Cr2MoG

450-600

12Cr1MoVG

470-640

12Cr2MoWVTiB

5

40-735

280

255

345

20

21

18

35

35

35

-

-

-

-

-

-

＜

≥15mm

15mm

SA192

SA106-B

SA106-C

SA556-C2

SA210-A1

SA210-C

SA209-T1a

SA213-T12

SA213-T22

≥325

≥415

≥485

≥480

≥415

≥485

≥415

≥415

≥415

180

240

275

280

255

275

220

205

205

35

-

-

-

-

-

77HRB

137HB

ASMESA192

-

-

-

-

ASMESA106

-

ASMESA556

查表

-

-

-

-

79HRB

（

143HB

）

ASMESA210

89HRB(179HB)

81HRB

153HB

ASMESA209

163HB(85HRB)

ASMESA213

163HB(85HRB)

◆化学成分

Chemical Composition(%):

采用标准

Standard

牌号

C

Grade

10

0.07-0.14

0.17-0.37

0.35-0.65

0.035

0.035

≤0.15

0.17-0.24

0.17-0.37

0.35-0.65

0.035

0.035

≤0.25

≤0.17

0.10-0.35

0.40-0.80

0.030

0.030

≤0.21

0.10-0.35

0.40-1.20

0.030

0.030

0.12-0.20

0.10-0.35

0.40-0.80

0.030

0.030

-

-

-

-

-

-

-

-

-

-

-

Si

Mn

P≤

S≤

Cr

Mo

V

GB3087

20

St35.8

St45.8

DIN 17175

15Mo3

0.25-0.35

-

13CrMo44

0.10-0.18

0.10-0.35

0.40-0.70

0.030

0.030

0.70-1.10

0.45-0.65

-

Q/BQB 201

10CrMo910

0.08-0.15

≤0.50

0.40-0.70

0.030

0.030

2.00-2.50

0.90-1.20

-

14MoV63

width

船

用

管

系

列

◆标准

Standard:

中国船级社钢质海船入级与建造规范

--CCS Classification of Ships

英国劳氏船级社规范

--

LR Classification of Ships

法国

BV

船级社规范

---BV Classification os Ships

DIN 17175---German Standard

GB5312 Gb5310 ---Chinese National Standard

Q/BQB203 ---Baosteel Corporation Standard

◆主要用途

Uses:

用于船用锅炉、过热器及

Ι

、

Π

、Ⅲ级压力系管道的制造。

For manufacture of boilers,superheaters for ship,and pressure system pipelines

◆尺寸公差

Tolerances on Dimensions:

外径允许偏差

Outside Diameter Tolerance:

普通级

Normal

+1.25,-1.0

高级

High

±

1.0

外径允许偏差

Tolerance %

壁厚允许偏差

Wall Thickness Tolerance:

壁厚

3

Wall Thickness

壁厚允许偏差

Tolerance %

s>20

普通级

Normal

+12.5,-15

高级

High

+15,-10

普通级

Normal

±

12.5

高级

High

±

10

◆力学性能

Mechanical Properties:

钢管的屈服点

抗拉强度

类型

ype of Steel

钢级

Grade

Tensile Strength

σ

b

MPa

Yield Point

σ

s

MPa

不小于

not less than

碳钢和碳锰钢

Carbon

&

490

carbon-manganese

1Cr0.5Mo

440

410

2.2Cr1Mo

490

伸长率

Elongation

σ

5

%

不小于

not less than

24

22

360

410

360-480

410-530

215

235

490-610

285

21

440-590

410-560

290-640

275

135

275

22

20

16

◆化学成分

Chemical Composition(%):

钢

分类

级

碳钢和碳锰钢

360

≤0.17

Carbon

&

490

≤0.23

carbon- manganese

≤0.35

0.80-1.50

0.040

0.040

≤0.25

≤0.10

≤0.30

≤0.30

-

-

≤0.70

410

≤0.21

≤0.35

0.40-0.80

0.040

0.040

≤0.25

≤0.35

0.40-1.20

0.040

0.040

≤0.25

≤0.10

≤0.30

≤0.30

-

≤0.10

≤0.30

≤0.30

-

-

≤0.70

-

≤0.70

C

Si

Mn

P≤

S≤

Cr

Mo

Ni

Cu

Sn

W

总量

1Cr0.5Mo

440

0.10-0.18

0

.10-0.35

0

.40-0.70

0.040

0.040

0.70-1.10

0

.45-0.65

≤0.30

≤0.25

≤0.03

≤

0.02

-

2.25Cr1Mo

410

0.08-0.15

0

.10-0.35

0

.40-0.70

0.040

0.040

2.00-2.50

0

.90-1.20

≤0.30

≤0.25

≤0.03

≤

0.02

-

490

注：经协商，也可供应其他牌号的钢管

Note:Other grade can also be provided after consulting with customers