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GB5310規定了高壓鍋爐用無縫鋼管的技術要求

【概要描述】GB 5310是中國國家標準，規定了高壓鍋爐用無縫鋼管的技術要求。該標準於1995年首次發布，此後經曆了多次修訂，最新版本為GB/T 5310-2017

GB5310規定了高壓鍋爐用無縫鋼管的技術要求

【概要描述】GB 5310是中國國家標準，規定了高壓鍋爐用無縫鋼管的技術要求。該標準於1995年首次發布，此後經曆了多次修訂，最新版本為GB/T 5310-2017

詳情

GB5310 specifies the technical requirements for seamless steel tubes and pipes for high pressure boilers.

GB5310規定了高壓鍋爐用無縫鋼管的技術要求。

GB 5310 is a Chinese national standard that specifies the technical requirements for seamless steel tubes and pipes for high-pressure boilers. The standard was first issued in 1995 and has since undergone several revisions, with the latest version being GB/T 5310-2017.

GB 5310是中國國家標準，規定了高壓鍋爐用無縫鋼管的技術要求。該標準於1995年首次發布，此後經曆了多次修訂，最新版本為GB/T 5310-2017。

GB 5310 sets out the classification, code, dimensions, shapes, masses, technical requirements, samples, test methods, inspection rules, packing, marking, and quality certification of seamless steel tubes and pipes used in the manufacture of steam boilers and pipelines operating at high pressures and above.

GB 5310規定了用於製造高壓及以上蒸汽鍋爐和管道的無縫鋼管的分類、代碼、尺寸、形狀、質量、技術要求、樣品、試驗方法、檢驗規則、包裝、標記和質量認證。

GB 5310 standard is widely used in various industries, including power generation, manufacturing, and petrochemicals, among others, as it aims to ensure the safety and reliability of high-pressure boilers by establishing strict standards for the production and use of seamless steel tubes and pipes.

GB 5310標準廣泛應用於發電、製造和石化等各個行業，因為它旨在通過製定嚴格的無縫鋼管日皮视频网站和使用標準來確保高壓鍋爐的安全性和可靠性。

GB5310 sets out the classification, code, dimensions, shapes, masses, technical requirements, samples, test methods, inspection rules, packing, marking and quality certification of the tubes and pipes used in the manufacture of steam boilers and pipelines operating at high pressures and above.

GB5310規定了用於製造高壓及以上蒸汽鍋爐和管道的管材的分類、代碼、尺寸、形狀、質量、技術要求、樣品、試驗方法、檢驗規則、包裝、標記和質量認證。

The standard is also known as GB/T 5310-2017 and it is applicable to various industries that require high pressure boilers, such as power generation, manufacturing, and petrochemicals, among others. GB5310 aims to ensure the safety and reliability of high-pressure boilers by establishing strict standards for the production and use of seamless steel tubes and pipes.

該標準也稱為GB/T 5310-2017，適用於需要高壓鍋爐的各種行業，如發電、製造和石化等。GB5310旨在通過製定嚴格的無縫鋼管日皮视频网站和使用標準來確保高壓鍋爐的安全性和可靠性。

GB 5310 is a standard for seamless tubes used in high-pressure steam boilers and pipelines. The main application for GB 5310 tubes is as high-pressure pipeline tubes in boiler projects. These tubes can be used for superheaters, reheaters, and windpipes.

GB 5310是高壓蒸汽鍋爐和管道用無縫管的標準。GB 5310管材主要應用於鍋爐項目中的高壓管道。這些管子可用於過熱器、再熱器和風管。

The GB 5310 standard applies to tubes made from materials such as:GB 5310標準適用於由以下材料製成的管子：

  • 10#, 20#, 45#
  • 15Mn, 20Mn, 45Mn
  • 30Mn2, 20Mn2, 15CrMoG
  • 12Cr1Mo1VG, 12CrMoG

The long-term use temperature for GB 5310 20G seamless steel pipes used as headers and steam pipes is ≤ 425 ° C.

GB 5310 20G無縫鋼管用作集管和蒸汽管的長期使用溫度≤425°C。

Chemical Compositions(%) of GB 5310  GB 5310化學成分（%）

Steel Grade

C

Si

Mn

S

P

Cr

Mo

V

Ti

B

W

Ni

Al

Nb

N

20G

0.17-0.23

0.17-0.37

0.35-0.65

0.015

0.025

 

 

 

 

 

 

 

 

 

 

20 MnG

0.17-0.24

0.17-0.37

0.70-1.00

0.015

0.025

 

 

 

 

 

 

 

 

 

 

25MnG

0.22-0.27

0.17-0.37

0.70-1.00

0.015

0.025

 

 

 

 

 

 

 

 

 

 

15MoG

0.12-0.20

0.17-0.37

0.40-0.80

0.015

0.025

 

0.25-0.35

 

 

 

 

 

 

 

 

20MnG

0.15-0.25

0.17-0.37

0.40-0.80

0.015

0.025

 

0.44-0.65

 

 

 

 

 

 

 

 

12CrMoG

0.08-0.15

0.17-0.37

0.40-0.70

0.015

0.025

0.40-0.70

0.40-0.55

 

 

 

 

 

 

 

 

15CrMoG

0.12-0.18

0.17-0.37

0.40-0.70

0.015

0.025

0.80-1.10

0.40-0.55

 

 

 

 

 

 

 

 

12Cr2MoG

0.08-0.15

≤0.60

0.40-0.60

0.015

0.025

2.00-2.50

0.90-1.13

 

 

 

 

 

 

 

 

12Cr1MoVG

0.08-0.15

0.17-0.37

0.40-0.70

0.010

0.025

0.90-1.20

0.25-0.35

0.15-0.30

 

 

 

 

 

 

 

12Cr2MoWVTiB

0.08-0.15

0.45-0.75

0.45-0.65

0.015

0.025

1.60-2.10

0.50-0.65

0.28-0.42

0.08-0.18

0.002-0.008

0.30-0.55

 

 

 

 

10Cr9Mo1VNbN

0.08-0.12

0.20-0.50

0.30-0.60

0.010

0.020

8.00-9.50

0.85-1.05

0.18-0.25

 

 

 

≤0.040

≤0.040

0.06-0.10

0.03-0.07

Manufacturing methods製造方法

Steel smelting method煉鋼方法
High-quality carbon structural steel and alloy structural steel shall be smelted by electric furnace plus furnace refining, oxygen converter plus furnace refining or electroslag remelting method, and steel refined outside the furnace shall be subjected to vacuum degassing treatment.

優質碳素結構鋼和合金結構鋼應采用電爐加爐精煉、氧氣轉爐加爐精煉或電渣重熔法冶煉，爐外精煉的鋼應進行真空脫氣處理。

10Cr9Mo1VNbN, 10Cr9MoW2VNbBN, 10Cr11MoW2VNbCu1BN, 11Cr9Mo1W1VNbBN and stainless (heat-resistant) steel should be smelted by electric furnace plus furnace refining or electroslag remelting. The steel refined outside the furnace should be vacuum degassed.
10Cr9Mo1VNbN、10Cr9MoS2VNbBN、10Cr11MoW2VNbCu1BN、11Cr9Mo1W1W1VNbBN和不鏽鋼（耐熱）應通過電爐加爐精煉或電渣重熔冶煉。爐外精煉的鋼材應進行真空脫氣處理。


After consultation between the supplier and the buyer, and indicating in the contract, other higher-required smelting methods may be adopted. When the purchaser specifies a certain smelting method, it should be indicated in the contract.
經供需雙方協商，並在合同中注明，可采用其他要求更高的冶煉方法。當買方指定某種冶煉方法時，應在合同中注明。


Manufacturing methods and requirements for tube blanks管坯的製造方法和要求
The tube blank can be produced by continuous casting, die casting or hot rolling (forging).管坯可以通過連鑄、壓鑄或熱軋（鍛造）日皮视频网站。
Continuous casting tube blanks shall comply with the provisions of YB/T 4149, in which the level of low-fold structural defects shall not exceed 1; the hot-rolled (forged) tube blanks shall comply with the provisions of YB/T ××××; It is carried out in accordance with the regulations for hot-rolled (forged) tube blanks.

連鑄管坯應符合YB/T 4149的規定，其中低折結構缺陷等級不得超過1級；熱軋（鍛）管坯應符合YB/T××××的規定；按照熱軋（鍛造）管坯的規定進行。

Manufacturing method of steel pipe鋼管製造方法
Steel pipes shall be manufactured by hot rolling (extrusion, expansion) or cold drawing (rolling). Steel pipes of grade 08Cr18Ni11NbFG shall be manufactured by cold drawing (rolling) seamless method.

鋼管應通過熱軋（擠壓、膨脹）或冷拔（軋製）製造。08Cr18Ni11NbFG級鋼管應采用冷拔（軋製）無縫法製造。

Delivery status交貨狀態

The steel pipe shall be delivered in a heat treated condition. The heat treatment system for steel pipes shall comply with the requirements of Table 4. The heat treatment system for steel pipes should be filled in the quality certificate.

鋼管應在熱處理狀態下交付。鋼管的熱處理係統應符合表4的要求。鋼管的熱處理係統應填寫在質量證書中。

Heat treatment system for steel pipes鋼管熱處理係統

No.

Steel Pipe

Heat treatment

1

12Ga、20Ga

880 ℃～940 ℃,Normalizing

2

20MnGa、25MnGa

880 ℃～940 ℃,Normalizing

3

15MoGa、20MoGa

890 ℃～950 ℃,Normalizing

4

12CrMoGa

900 ℃～960 ℃,Normalizing；650 ℃～730 ℃,Tempering

5

15CrMoGa

900 ℃～960 ℃,Normalizing；660 ℃～730 ℃,Tempering

6

12Cr2MoGa

900 ℃～960 ℃,Normalizing；700 ℃～750 ℃,Tempering
It can also be heated to 900 °C ~ 960 °C, and the furnace is cooled to 700 °C for more than 1 h, and air-cooled.

7

12Cr1MoVGa

980 ℃～1 020 ℃,Normalizing，980 °C ~ 1 020 °C normalizing, when the wall thickness is greater than 30 mm, forced cooling; 720 °C ~ 760 °C tempering.

8

12Cr2MoWVTiB

1 000 ℃～1 035 ℃,Normalizing；760 ℃～790 ℃,Tempering

9

07Cr2MoW2VNbB

≥1 040 ℃,Normalizing，≥730 ℃,Tempering

10

08Cr2Mo1W2VTiB

≥980 ℃,Normalizing，≥730 ℃,Tempering

11

12Cr3MoVSiTiB

1 040 ℃～1 060 ℃,Normalizing；720 ℃～770 ℃,Tempering

12

09Ni1MnMoNbCu

880 ℃～980 ℃,Normalizing，580 ℃～680 ℃,Tempering

13

10Cr9Mo1VNbN

≥1 040 ℃,Normalizing，≥730 ℃,Tempering

14

10Cr9MoW2VNbBN

≥1 040 ℃,Normalizing，≥730 ℃,Tempering

15

10Cr11MoW2VNbCu1BN

≥1 040 ℃,Normalizing，≥730 ℃,Tempering

16

11Cr9Mo1W1VNbBN

1 040 ℃～1 080 ℃,Normalizing，740 ℃～780 ℃,Tempering

17

15Cr18Ni9b

Solution treatment: solution temperature ≥1 040 °C.

18

10Cr18Ni9NbCu3BNb

Solution treatment: solution temperature ≥ 1 100 °C.

19

07Cr25Ni21NbNcd

Separate solution treatment: solution temperature ≥ 1 100 °C.

20

08Cr18Ni11Nbbd

Solution treatment: solution temperature ≥1 040 °C.

21

07Cr18Ni11Nbcd

Separate solution treatment: hot rolling (extrusion, expansion) steel tube solid solution temperature ≥ 1 050 °C, cold drawn (rolled) steel tube solid solution temperature ≥ 1100 °C.

22

08Cr18Ni10NbFG

Softening heat treatment before cold working: softening heat treatment temperature should be at least 50 °C higher than solution heat treatment temperature; solution treatment after final cold working: solution temperature ≥1 180 °C

a. The finishing temperature of the hot-rolled steel pipe is at the critical temperature of the phase transition Ar3 to the upper limit of the temperature specified in the table, and when the steel pipe is air-cooled, the steel pipe is considered to be normalized.

b. The finishing temperature of the hot-rolled steel pipe meets the solid solution temperature specified in the table. As an alternative to the solid solution treatment method, the steel pipe can be separately quenched by water or cooled by other fast enough methods.

c, the solution treatment should be a separate heat treatment, and the heat treatment in the process is not allowed to replace the separate solution treatment.

d. According to the requirements of the purchaser, the steel pipes of the grades 07Cr25Ni21NbN, 08Cr19Ni10Nb and 07Cr18Ni11Nb may be subjected to a stabilization heat treatment lower than the initial solution treatment temperature after the solution treatment, and the temperature of the stabilization heat treatment is negotiated between the supplier and the purchaser.

Mechanical Properties of GB5310  GB5310機械性能

Grade

Tensile strength
(Mpa)

Yield point(Mpa)
not less than

Elongation(%)
not less than

Impact(J)
not less than

20G

410-550

245

24/22

40/27

25MnG

485-640

275

20/18

40/27

15MoG

450-600

270

22/20

40/27

20MnG

415-665

220

22/20

40/27

12CrMoG

410-560

205

21/19

40/27

12Cr2MoG

450-600

280

22/20

40/27

12Cr1MoVG

470-640

255

21/19

40/27

12Cr2MoWVTiB

540-735

345

18

40/27

10Cr9Mo1VNb

≥585

415

20

40

1Cr18Ni9

≥520

206

35

 

1Cr19Ni11Nb

≥520

206

35

 

Additional Condition附加條件

  • UT(Ultrasonic examination),··超聲波檢測
  • AR(As Hot Rolled only)··AR（僅熱軋）
  • TMCP(Thermal Mechanical Control Processing)··TMCP（熱機械控製處理）
  • N(Normalized)·N（標準化）
  • Q+T(Quenched and Tempered)·Q+T（淬火和回火）
  • Z Direction Test(Z15,Z25,Z35)·Z方向測試（Z15、Z25、Z35）
  • Charpy V-Notch Impact Test·夏比V型缺口衝擊試驗
  • The Third Party Test (such as SGS Test)·第三方測試（如SGS測試）
  • Coated or Shot Blasting and Painting.·塗層或噴丸和塗漆。

GB 5310 High pressure boiler tube ApplicationGB 5310高壓鍋爐管應用

  • GB5310 20G seamless steel pipes are mainly used for pressure vessels, machinery, pipe fittings, oil and chemical industry.·
  • GB5310 20G無縫鋼管主要用於壓力容器、機械、管件、石油和化學工業。
  • GB 5310 High pressure boiler tube Other Name
  • GB 5310高壓鍋爐管其他名稱
  • GB 5310 High pressure boiler tube, 20G boiler steel pipe, 20G boiler pipe
  • GB 5310高壓鍋爐管20G鍋爐鋼管20G鍋爐管

Boiler tubing is used in these industries:鍋爐管用於以下行業：

  • Steam Boilers·蒸汽鍋爐
  • Power Generation·發電
  • Fossil Fuel Plants·化石燃料發電廠
  • Electric Power Plants·發電廠
  • Industrial Processing Plants·工業加工廠
  • Cogeneration Facilities·熱電聯產設施

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