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Big Discount Alloy Structure Pipe - Seamless steel tubes for high-pressure boilers in GB/T5310-2017 Standard – Sanonpipe

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  • Big Discount Alloy Structure Pipe - Seamless steel tubes for high-pressure boilers in GB/T5310-2017 Standard – Sanonpipe
  • Big Discount Alloy Structure Pipe - Seamless steel tubes for high-pressure boilers in GB/T5310-2017 Standard – Sanonpipe
  • Big Discount Alloy Structure Pipe - Seamless steel tubes for high-pressure boilers in GB/T5310-2017 Standard – Sanonpipe

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Big Discount Alloy Structure Pipe - Seamless steel tubes for high-pressure boilers in GB/T5310-2017 Standard – Sanonpipe Detail:

Overview

Application

It is mainly used to make high-quality carbon structural steel, alloy structural steel and stainless heat-resistant steel seamless steel pipes for high pressure and above steam boiler pipes.

Main Grade

Grade of high-quality carbon structural steel: 20g、20mng、25mng

Grade of alloy structural steel15mog、20mog、12crmog、15crmog、12cr2mog、12crmovg、12cr3movsitib, etc

Grade of rust-resistant heat-resistant steel1cr18ni9     1cr18ni11nb

Chemical Component

牌号

质量

等级

化学成分(质量分数广小/%

C

Si

Mn

P

S

Nb

V

Ti

Cr

Ni

Cu

Nd

Mo

B

Als”

                                               不大于

不小于
Q345 A

0.20

0.50

1.70

 0.035 0.035

0.30

0.50

0.20

0.012

0.10

 —— —
B 0.035 0.035
C 0.030 0.030

0.07

0.15

0.20

0.015
D

0.18

 0.030 0.025
E 0.025 0.020
Q390 A

0.20

0.50

1.70

 0.035 0.035

0.07

0.20

0.20

0.3。

0.50

0.20

0.015

0.10

 — —
B 0.035 0.035
C 0.030 0.030

0,015
D 0.030 0.025
E 0.025 0.020
Q42O A

0.20

0.50

1.70

 0.035 0.035

0.07

0.2。

0.20

0.30

0.80

0.20

0.015

0.20

 ——

——
B 0.035 0.035
C 0.030 0.030

0.015
D 0.030 0.025
E 0.025 0.020
Q46O C

0.20

0.60

1.80

 0.030 0.030

0.11

0.20

0.20

0.30

0.80

0.20

0.015

0.20

0.005

0.015
D 0.030 0.025
E 0.025 0.020
Q500 C

0J8

0.60

1.80

 0.025 0.020

0.11

0.20

0.20

0.60

0.80

0.20

0.015

0.20

0.005

0.015
D 0.025 0.015
E 0.020 0.010
Q550 C

0.18

0.60

2.00

 0.025 0,020 0.11

0.20

0.20

0.80

0.80

0.20

0.015

0.30

0.005

0.015
D 0.025 0,015
E 0.020 0.010
Q62O C

0.18

0.60

2.00

 0.025 0.020

0.11

0.20

0.20

1.00

0.80

0.20

0.015

0.30

0.005

0.015
D 0.025 0.015
E 0.020 0.010
1除Q345A、Q345B牌号外，钢中应至少含有细化晶粒元素Al、Nb、V、Ti中的一种，根据需要，供方可添加其中 一种或几种细化晶粒元素，最大值应符合表中规定。组合加入时，Nb+V+Ti<0.22%°

* 对于 Q345、Q390、Q420 和 Q46O 牌号，Mo+Cr<0.30%o

°各牌号的Cr、Ni作为残余元素时，Cr、Ni含量应各不大于0.30%；当需要加入时，其含量应符合表中规定或由 供需双方协商确定。

J如供方能保证氮元素含量符合表中规定，可不进行氮含量分析。如果钢中加入Al、Nb、V、Ti等具有固氮作用 的合金元素，氮元素含量不作限制，固氮元素含量应在质量证明书中注明.

‘当采用全铝时，全铝含量AIt^0.020%B

Mechanical Property

No

Grade

Mechanical Property

 

 

Tensile
MPa

Yield
MPa

Extend
L/T

Impect (J)
Vertical/ Horizontal

Handness
HB

1

20G

410-
550

≥
245

24/22%

40/27

—

2

20MnG

415-
560

≥
240

22/20%

40/27

—

3

25MnG

485-
640

≥
275

20/18%

40/27

—

4

15MoG

450-
600

≥
270

22/20%

40/27

—

6

12CrMoG

410-
560

≥
205

21/19%

40/27

—

7

15CrMoG

440-
640

≥
295

21/19%

40/27

—

8

12Cr2MoG

450-
600

≥
280

22/20%

40/27

—

9

12Cr1MoVG

470-
640

≥
255

21/19%

40/27

—

10

12Cr2MoWVTiB

540-
735

≥
345

18/-%

40/-

—

11

10Cr9Mo1VNbN

≥
585

≥
415

20/16%

40/27

≤
250

12

10Cr9MoW2VNbBN

≥
620

≥
440

20/16%

40/27

≤
250

Test Requirement

In addition to ensuring chemical composition and mechanical properties, hydrostatic tests are performed one by one, and flaring and flattening tests are performed. . In addition, there are certain requirements for the microstructure, grain size, and decarburization layer of the finished steel pipe.

Supply Ability

Supply Ability: 2000 Tons Per Month Per Grade of GB/T5310-2017 Alloy Steel Pipe

Packaging

In Bundles And In Strong Wooden Box

Delivery

7-14 days if in stock, 30-45 days to produce

Payment

30% depsoit, 70% L/C or B/L copy   or  100% L/C at sight

Product Detail

Seamless Steel Tubes For High-Pressure Boilers


1


GB/T5310-2017


A106 Boiler Pipe


ASME SA-106/SA-106M-2015


carbon steel pipe


ASTMA210(A210M)-2012


2


ASME SA-213/SA-213M


boiler pipe IBR


ASTM A335/A335M-2018

Product detail pictures:

Big Discount Alloy Structure Pipe - Seamless steel tubes for high-pressure boilers in GB/T5310-2017 Standard – Sanonpipe detail pictures

Big Discount Alloy Structure Pipe - Seamless steel tubes for high-pressure boilers in GB/T5310-2017 Standard – Sanonpipe detail pictures

Big Discount Alloy Structure Pipe - Seamless steel tubes for high-pressure boilers in GB/T5310-2017 Standard – Sanonpipe detail pictures

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