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鍋爐及熱換器用管日本標準JIS3461,JIS3462

發(fā)布日期：21-08-25 10:33:46 訪問次數(shù)：1416

鍋爐及熱換器用管日本標準JIS3461,JIS3462

管道、容器、設(shè)備結(jié)構(gòu)用管
  Steel Pipes for Pipeline, Vessel and Equipment Structures.
  標準：Standards:
  ASTM A519, DIN1629, DIN2391, ASTM A513, BS6323, EN10305-1, JIS3441
  用途Application:
  適用于制造管道、容器、設(shè)備、管件及鋼結(jié)構(gòu)
  It is used for manufacturing pipeline, vessel, equipment, pipe fittings and steel structure.
  主要生產(chǎn)鋼管牌號 Main Steel Tube Grades:
  St37.0, St44.0, St52.0
  化學(xué)成份Chemical Composition (%):


標準Standard

牌號Grade

C

Si

Mn

P

S

Cr

Ni

Cu

V

Q/BQB 203
DIN1629

ST37.0

≤0.17

0.17-0.37

0.35-0.65

≤0.025

≤0.020

≤0.25

≤0.25

≤0.25

-

ST44.0

≤0.21

0.17-0.37

0.50-0.80

≤0.025

≤0.020

≤0.25

≤0.25

≤0.25

-

ST55

0.33-0.41

0.17-0.37

0.50-0.80

≤0.025

≤0.020

≤0.25

≤0.25

≤0.25

-

ST52.0

≤0.22

≤0.55

≤1.60

≤0.025

≤0.020

≤0.25

≤0.25

≤0.25

-

CK45

0.42-0.50

0.17-0.37

0.50-0.80

≤0.025

≤0.020

≤0.25

≤0.25

≤0.25

-

Note: Grades other than the a.m. chart can be made available through consultations.

機械性能Mechanical Properties:


標準Standard

鋼級
Grade

抗拉強度Tensile Strength
(MPa)

屈服強度Yield Strenght
Not less than

伸長率Elongation
Not less than

沖擊試驗Impact Test

≤16mm

＞16-30mm

Temperature
(℃)

Absorbed Energy
(KV/J)

Q/BQB203
DIN1629

-

-

≤16mm

＞16mm

-

-

-

ST37.0

350-480

235

225

25

-

-

ST44.0

420-550

275

265

21

-

-

ST55

540-645

295

285

17

-

-

ST52.0

500-650

355

345

21

-

-

CK45

590-730

335

325

14

-

-