焊丝 焊剂
Ⅰ
Q235A
20(管) J422 H08A HJ431 H08MnSi H08A
Ⅰ
Q235B、Q245R
20(管)、 20(锻) J427 H08A HJ431 H08MnSi H08A
Ⅱ
16Mn(锻)
Q345R J507 H10MnSi HJ431 H08Mn2SiA H10MnSi
Ⅳ
15CrMo(锻)
15CrMo(管)
15CrMoR
R307 H13CrMoA HJ350 H13CrMoA
焊前预热
焊后热处理
Ⅴ 1Cr5Mo R507 焊前预热
焊后热处理
Ⅶ 0Cr18Ni9 A102 H0Cr21Ni10 HJ260 H0Cr21Ni10
Ⅶ 0Cr25N20 A402 H1Cr26Ni21
Ⅰ+Ⅱ 20+16MnR J427 H08A HJ431 H10MnSi
Ⅰ+Ⅳ 20+15CrMoR J427 H08A HJ431 H10MnSi