焊丝牌号

焊丝化学成分示例(%)

C

Si

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Mn

Cr

Ni

Cu

P

S

BX·H08A

0.060

0.025

0.42

0.018

0.013

0.16

0.012

0.016

BX·H08MnA

0.072

0.037

0.95

0.018

0.013

0.16

0.014

0.015

BX·H10MnSi

0.079

0.71

0.92

0.018

0.013

0.16

0.018

0.017

BX·H10Mn2

0.09

0.05

1.84

0.018

0.013

0.16

0.016

0.012

焊接法

焊丝牌号

GB/T14957

相当于AWS

熔敷金属机械性能之一例

配合焊剂

屈服强度MPa

抗拉强度MPa

延伸率%

冲击功J(℃)

埋弧焊

BX·H08A

H08A

EL-8

375

490

30

55(-20)

HJ431

BX·H08MnA

H08MnA

EM-12K

398

515

28

48(-20)

HJ431

BX·H10MnSi

H10MnSi

-

460

565

29

56(-20)

HJ431

BX·H10Mn2

H10Mn2

EH-14

455

560

27

56(0)

HJ350

牌号

相当标准

主要特征及用途

BX·H08A

GB H08A
AWS EL-8

BX·H08A、 BX·H08MnA 、BX·H10MnSi 、BX·H10Mn2是结构钢埋弧焊丝，具有优良的焊接性能，与焊剂HJ350、HJ330、HJ431、SJ101、SJ102、SJ105等配合焊接低碳钢及低合金钢，如15MnV、16Mn等，用于锅炉、船舶、压力容器、管道、桥梁、车辆等的制造。

BX·H08MnA

GB H08MnA
AWS EM-12K

BX·H10MnSi

GB H10MnSi
AWSEM12

BX·H10Mn2

GB H10Mn2
AWS EH-14

合金结构钢埋弧焊丝化学成份典型示例(%) 

类别

品名

GB

AWS

C

Si

Mn

P

S

Cr

Ni

Cu

Mo

Ti

V

合金结构钢埋弧焊丝

BX·H08MnMoA

H08MnMoA

EA4

0.076

0.24

1.4

0.012

0.013

0.02

0.01

0.12

0.4

-

-

BX·H08Mn2MoA

H08Mn2MoA

-

0.08

0.15

1.73

0.013

0.012

0.02

0.01

0.14

0.6

-

-

BX·H08CrMoVA

H08CrMoVA

-

0.09

0.31

0.63

0.015

0.012

1.2

-

-

0.6

-

0.2

BX·H13 CrMoA

H13 CrMoA

EB2

0.11

0.25

0.6

0.012

0.011

0.9

-

0.12

0.52

-

-

合金结构钢埋弧焊丝熔敷金属机械性能示例

类别

品名

屈服强度N/mm2

抗拉强度N/mm2

延伸率(%)

冲击功AKV/℃J

主要特征及用途

焊剂

合
金
结
构
钢埋弧焊丝

BX·H08MnMoA

550

630

24

80(-40)

常用于焊接60公斤级结构用钢，用于工程机械等，主要焊HQ60钢

SJ104

BX·H08Mn2MoA

530

650

23

57(-20)

用于焊接高强结构钢，常用于船舶结构等

HJ350

BX·H08CrMoVA

395

520

32

112(-20)

焊接12CrMo及ASTMA387Cr2等耐热钢压力容器及管道

SJ603
HJ250

BX·H13 CrMoA

470

570

23

125(10)

焊接15CrMo及ASTMA387Cr11A、ASTMA387Cr12等耐热钢压力容器及管道

SJ603