1Cr17Ni2 10 1Cr17Ni2 12 1Cr17Ni2 20
1Cr17Ni2 25 1Cr17Ni2 30 1Cr17Ni2 35
1Cr17Ni2 40 1Cr17Ni2 45 1Cr17Ni2 50
1Cr17Ni2 55 1Cr17Ni2 60 1Cr17Ni2 65
1Cr17Ni2 70 1Cr17Ni2 75 1Cr17Ni2 80
1Cr17Ni2 85 1Cr17Ni2 90 1Cr17Ni2 95
1Cr17Ni2 100 1Cr17Ni2 110 1Cr17Ni2 120
1Cr17Ni2 130 1Cr17Ni2 140 1Cr17Ni2 150
1Cr17Ni2 160 1Cr17Ni2 170 1Cr17Ni2 180
1Cr17Ni2 190 1Cr17Ni2 200 1Cr17Ni2 210
1Cr17Ni2 220 1Cr17Ni2 230 1Cr17Ni2 240
1Cr17Ni2 250 1Cr17Ni2 260 1Cr17Ni2 270
1Cr17Ni2 280 1Cr17Ni2 290 1Cr17Ni2 300
標準:GB/T 1220-1992
●特性及適用范圍:
用作具有較高的耐硝酸及有機酸腐蝕的零件、容器和設備。
●化學成份:
碳 C :0.11~0.17
硅 Si:≤0.80
錳 Mn:≤0.80
硫 S :≤0.030
磷 P :≤0.035
鉻 Cr:16.00~18.00
鎳 Ni:1.50~2.50
●力學性能:
抗拉強度 σb (MPa):淬火回火,≥1080
伸長率 δ5 (%):淬火回火,≥10
沖擊功 Akv (J):淬火回火,≥39
硬度 :退火,≤285HB
●熱處理規范及金相組織:
熱處理規范:1)退火,680~700℃高溫回火空冷;2)淬火,950~1050℃油冷;3)回火275~350℃空冷。
金相組織:組織特征為馬氏體型。
●交貨狀態:一般以熱處理狀態交貨,其熱處理種類在合同中注明;未注明者,按不熱處理狀態交貨