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(xué)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(xué)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
