20Cr2Ni4A是优质合金钢,强度高,韧性及淬透性好。渗碳后不能直接淬火,以减少表层残余奥氏体。
中文名20Cr2Ni4A材料名称合金结构钢牌 号20Cr2Ni4A碳 C0.17~0.23
●特性及适用范围:
切削性及冷变形塑性一般。焊接性较差,焊前需预热到150℃左右,工时白点敏感性强,有回火脆性倾向。20Cr2Ni4A用于大截面渗碳件,如大型齿轮、轴类以及要求强度高、韧性好的调质零部件等。
化学成份
碳 C :0.17~0.23
硅 Si:0.17~0.37
锰 Mn:0.30~0.60
硫 S :≤0.03
磷 P :≤0.03
铬 Cr:1.25~1.65
镍 Ni:3.25~3.65
20Cr2ni4A 40
20Cr2ni4A 45
20Cr2ni4A 50
20Cr2ni4A 55
20Cr2ni4A 60
20Cr2ni4A 65
20Cr2ni4A 70
20Cr2ni4A 75
20Cr2ni4A 80
20Cr2ni4A 90
20Cr2ni4A 100
20Cr2ni4A 110
20Cr2ni4A 120
20Cr2ni4A 130
20Cr2ni4A 140
20Cr2ni4A 150
宏福金属可提供以下钢材:
品名 | 材质 | 品名 | 材质 | 品名 | 材质 |
模具钢 | Cr12 Cr12mov, | 凿岩专用钢 | 18CrMnNi2MoA | 渗碳齿轮钢 | 20CrMnTiH1-5 21CrNiMo5-6 |
SKD11 SKD61 | 电炉/电渣20Cr2Ni4A | 40CrNi2Mo 20CrMnMoH | |||
4Cr5MoSiV1 6542 | 20CrNi3A | 20CrNiMoA 30CrNiMo8(V) | |||
H13 B2—B3 | Q45Cr1NiMo1VA | 40CrNiMoA | |||
3Cr2W8V DC53 | 18-23CrNi3MoA | 20CrNi2Mo/SAE4320/SNCM420 | |||
4Cr3Mo2NiVNb(HD) | 25Cr3Mo3NiNb/EN40B | SCr420HB(韩国现代) | |||
工具钢 | W6—9—18 | EN30B EN39B | SAE8620H 19CrNi5(19CN5) | ||
5CrNiMo 5CrMnMo | 18CrNi8(18CN8) 18Cr2Ni4WA | ||||
T10A | 1%CrMoV | 17CrNiMo6 20CrNi3H | |||
8Cr3 9CrSi | 50R61 | 15CrNi3Mo/SAE9315/EN360 | |||
CrWMn | 石油用钢 | 37CrMnMoA |
合结钢 | 20MN 20Mn2 20MnV | |
38CrSi | AISI4137H | 12CrMo 15CrMo 20CrMo | |||
弹簧钢 | 65Mn | AISI4145H | 30CrMo 35CrMo 42CrMo | ||
60Si2MnA | 15CrNiMoA EX30 | 38CrMoAl | |||
55SiMnA | 15MnNi4Mo SN2025 | 高速钢 | W6Mo5Cr4V2 W18Cr4V | ||
50CrVA | 不锈钢/不锈铁 | 201 202 | SKH9 SKH2-3 6542 | ||
60Si2CrVA | 1—4Cr13(Mo) 1Cr17Ni2 | 普通圆钢 | 20# 35# 45# 55# 70# | ||
28/35MnSiB扁钢 | 0—1Cr18Ni9Ti | Q235/A3 Q345D/E(16Mn) | |||
轴承钢 | GCr15 GCr9 | 316 316L 316Ti | 20Cr 40Cr ML08Al | ||
GCr9SiMn | 301 303 304 304L | 汽轮机专用钢 | 15CrMoA 1Cr12Mo | ||
GCr15SiMn | 309S 310S 321 | 12Cr1MoVA | |||
G20CrNiMo | 9Cr18 9Cr18Mo(V) | 20Cr3MoWVA | |||
G20CrNi2Mo | 1Cr5Mo 1Cr11MoV | 20Cr1Mo1VNbTiB | |||
SKF3 SKF255 | 0Cr17Ni7A1 | 25Cr2Mo1VA | |||
100Cr6 | 0Cr18Ni10Ti | 20Cr1Mo1V1A | |||
100CrMnSi6 | 410 420 430 434 | 2Cr12NiMo1W1V | |||
SAE4320 | 430F 4Cr9Si2 | 2Cr12NiMoWV | |||
煤机用钢 | 27SiMn | 4Cr10Si2Mo | 1Cr12Ni2W1Mo1V | ||
30CrMnTi | 5Cr21Mn9Ni4N(21-4N) | 1Cr12W1MoV 21CrMoV | |||
20-25MnVK | 3Cr20Ni11Mo2PB(PB) | 30Cr1Mo1V 2Cr12MoV | |||
30-35CrMnSiA | 4Cr14Ni14W2Mo(双14) | 0Cr17Ni4Cu4Nb固溶、时效 | |||
易切削钢
| 1215 Y15 Y15Pb | 3Cr20Ni10W2(SNCrW) | 630 17-4pH 2205 | ||
12L14 | 紧固件用钢 | CrMo系列 42CrMo B7 | 耐磨钢 | 35MnB/20Mn-50Mn等 | |
Y40Mn 1215MS | 20MnTiB 35VB | 铁道车辆钢 | Q345/Q355 A B C D E | ||
11SMnPb28-30 | 30CrMo | 25MnCrNiMoA
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