常州长江焊材有限公司

COPPER-COATED SOLID WELDING WIRE FOR SUBMERGDE-ARC WELDING
CHM 08A符合GB H08A
说明 DESCRIPTION
CHM 08A埋弧焊用镀铜焊丝可配用相应的焊剂获得综合机械性能良好的焊缝金属。具有焊接效率高。焊接质量稳定可靠，劳动强度低等一系列优点。
CHM 08A can be used for copper-coated solid welding wire for submerged arc welding. Weld metal zone has excellent synthetic technological properties when corresponding welding flux is used. With a higher deposition efficiency, high quality and low intensity of labour, etc.
用途 APPLICATION
用于焊接重要的低碳钢和低合金钢结构，如锅炉、化工容器、核电站容器、桥梁、船舶等。
The welding wires are used for welding important structures of low carbon structural steel and low alloy steel. Such as boilers, pressure vessels from chemical works and nuclear power station, bridges and ships, etc.
埋弧焊丝规格：直径Φ（mm）2.0、2.5、3.2、4.0、5.0
Sizes of wire: Diameter Φ（mm）2.0、2.5、3.2、4.0、5.0
熔敷金属机械性能：一例：按GB/T14957-94
Typical mechanical properties of deposited metal: Accord with GB/T14957-94
屈服强度
Yield point σ0.2 Mpa
抗拉强度
Tensile Strength σ0.2 Mpa
延伸率
Elongation σ5%
室温V型却贝冲击值
V-Type Charpy Impact
Value (ambient temp.)J
409
527
28.3
65
埋弧焊丝产品目录 List of CHANG JIANG Welding Wires For Submerged Arc Welding
焊丝牌号
Brand
符合国标
GB/T14957
相当美国标准
AWS
熔敷金属机械性能
配用焊剂
Corresponding
Welding Flux
抗拉强度
Tensile Strength
σb Mpa
屈服强度
Yield point
σ0.2 Mpa
延伸率
Elongation σ5%
却贝冲击值
V-Type Charpy Impact Value J
CHM 08A
H08A
EL8
HJ431
410~550
≥330
≥22
0℃≥34
CHM 08MnA
H08MnA
EM12
HJ431
≈550
≈390
≈30
常温≈80
CHM10Mn2
H10Mn2
EM14
HJ350
≈570
≈400
≈18
常温≈100
CHM 10MnSi
H10Mn2
EM14
HJ350
≈570
≈400
≈18
0℃≥27
埋弧焊丝化学成分% Typical Chemical of Welding Wire
焊丝牌号
Brand
焊丝化学成分% Chemical composition
C
Mn
Si
S
P
Cu
CHM 08A
≤0.10
0.30~0.55
≤0.03
≤0.030
≤0.030
≤0.20
CHM 08MnA
≤0.10
0.80~1.10
≤0.07
≤0.030
≤0.030
≤0.20
CHM10Mn2
≤0.12
1.5~1.9
≤0.07
≤0.035
≤0.035
≤0.20
CHM 10MnSi
≤0.14
0.80~1.10
0.60~0.90
≤0.035
≤0.035
≤0.20
注：含铜量不包括镀铜层 Cu: (%) include copper-coated layer.