D608 2.5-4.50 3.0-5.0 3.0-5.0 ≥55

  D618 ≤3.0 15.0-20.0 1.0-2.0 10.0-20.0 ≤1.00 ≥58

  D628 20.0-35.0 4.0-6.0 ≤1.00 ≥60

  D632A 25.0-40.0 ≥56

  D638 25.0-40.0 ≥60

  D638Nb 20.0-35.0 4.0-8.50 ≥60

  D642 ≤1.5 22.0-32.0 ≥45

  D646 ≤1.0 22.0-32.0 ≥45

  D656 ≤1.5 ≤2.5 26.0-34.0 2.0-3.0 ≥45

  D658 20.0-35.0 4.0-9.50 2.50-7.50 0.50-2.50 4.0-8.50 ≥60

  D667 ≤8.0 1.0-4.8 25.0-32.0 Ni 3-5 ≥48

  D678 8.0-10.0 ≥50

  D687 1.5-3.5 ≤3.0 22.0-32.0 B 0.5-2.5 ≥58

  D698 ≤3.0 4.0-6.0 8.5-14.0 ≥60牌號化學成分 C Cr Ni Mo Nb Mn Si W 其它 硬度

  D502 ≤0.15 10-16 ≤2.50 ≥40特金焊材

  D507 ≤0.15 10-16 ≤2.50 ≥40

  D507Mo ≤0.20 10-16 ≤6.0 ≤2.50 ≤2.0 ≤2.50 ≥37

  D507MoNb ≤0.15 10-16 ≤2.50 ≤0.50 ≤2.50 ≥37

  D512 ≤0.25 10-16 ≤5.0 ≥45

  D516 ≤0.25 12-14 6.0-8.0 ≤1.0 ≥38

  D517 ≤0.25 10-16 ≤5.0 ≥45

  D547 ≤0.18 15-18 7.0-9.0 0.6-2.0 4.8-6.4 270-320 HB

  D547Mo ≤0.18 14-21 6.5-12 3.5-7.0 0.5-1.2 0.6-5.0 3.8-6.5 ≤2.50 ≥37

  D557 ≤0.20 18-20 7.0-1.0 2.0-3.0 5.0-7.0 ≥37

  D577 ≤1.10 12-18 ≤6.0 ≤4.0 12-18 ≤2.0 ≤3.0 ≥28

  牌號化學成分 C Mn Si Cr Mo W V Co Ni 其它 硬度

  D307 0.7-1.0 3.5-4.5 17-20 1.0-1.5 ≤1.5 ≥55

  D317 0.7-1.0 3.0-4.0 3-5 4.5-6 1.5-3.0 ≤1.5 ≥50特金焊材

  D317A 0.3-0.8 0.5-1.0 0.3-0.6 3-4 2-4 6-8 1.5-2.5 58-62

  D322 ≤0.5 ≤5.0 ≤2.5 7-10 ≤1.0 ≥55

  D327 ≤0.5 ≤5.0 ≤2.5 7-10 ≤1.0 ≥55

  D327A ≤0.5 5-6.5 2-3 2-3.5 1-3 ≥50

  D337 ≤0.55 2-3.5 7-10 ≤1.0 ≥48

  D386 ≤0.6 ≤3.0 ≤5 ≤3.0 ≥50特金焊材

  D397 ≤0.6 ≤2.5 ≤1.0 ≤2.0 ≤1.0 ≥40

  D406 ≤0.5 ≤2.0 ≤2.0 ≤6 ≤5.0 ≤10 ≤2 ≤12 ≤2.0 ≈50

  D417 0.5-0.9 ≤0.6 ≤0.8 3-5 5-10 1-2.5 0.8-1.5 ≤1.0 ≥55

  D427 ≤0.8 ≤13 ≤11 ≤2 ≤2 ≥40

  D437 ≈0.8 ≈15 ≈3 ≈4 ≥40