AISI4320钢,中国相对应的牌号是什么啊

如题
2025-03-27 02:36:17
推荐回答(5个)
回答1:

AISI 4320属于美国钢铁学会标准里合金结构钢牌号,执行标准:ASTM_A29/A29M热锻及冷加工碳素钢和合金钢棒

AISI 4320对应国内应牌号:20CrNi2Mo

AISI 4320化学成分如下图:

回答2:

AISI4320钢,中国相对应的牌号是20CrNi2Mo
SAE4320(AISI4320)合金钢

美标SAE/AISI
牌号:4320
标准:ASTM A29/A 29M-05
特性及应用:
4320特种钢,美国特种钢
化学成分:
碳 C:0.17-0.22;
锰 Mn:0.45-0.65
磷 P:≤0.035
硫 S:≤0.040
硅 Si:0.15-0.35
镍 Ni:1.65-2.00
铬 Cr:0.40-0.60
钼 Mo:0.20-0.30

回答3:

牌号:4320
标准:AISI
●化学成份:
碳 C :0.17~0.23(允许偏差:±0.02)
硅 Si:0.15~0.40(允许偏差:±0.03)
锰 Mn:0.40~0.70(允许偏差:±0.04)
硫 S :≤0.020(允许偏差:+0.005)
磷 P :≤0.020(允许偏差:+0.005)
铬 Cr:0.35~0.65(允许偏差:±0.15)
镍 Ni:1.60~2.00(允许偏差:±0.05)
铜 Cu:≤0.30(允许偏差:+0.05)
钼 Mo:0.20~0.30(允许偏差:±0.02)

中国牌号:G20CrNi2Mo

回答4:

对应中国牌号:20CrNi2Mo

AISI 4320合金钢具有高韧性和强度。它含有低碳含量以实现良好的焊接特性。

化学成分下表显示了 AISI 4320 合金钢的化学成分。

物理性质

AISI 4320 合金钢的物理性能在下表中突出显示。

机械性能

退火后的 AISI 4320 合金钢的机械性能如下表所示。

制造和热处理

可加工性

AISI 4320合金钢在退火状态下具有良好的切削加工性。但是,如果这种钢通过热处理硬化,则很难加工。

成型

AISI 4320合金钢在退火状态下具有良好的成形特性。

焊接

AISI 4320合金钢具有良好的焊接性。

热处理

AISI 4320 合金钢在热处理前在 872°C (1650°F) 下进行正火处理。然后在 816°C (1500°F) 下对其进行热处理,然后在油中淬火和回火以达到所需的硬度。

锻造

AISI 4320 合金钢在 1038 至 1205°C(1900 至 2200°F)温度下锻造

热加工

AISI 4320 合金钢可在 872 至 1205°C(1600 至 1900°F)下进行热加工

冷加工

AISI 4320 合金钢可以在退火条件下通过常规方法进行冷加工。

退火

AISI 4320 合金钢在 872°C (1600°F) 下退火,然后在炉中缓慢冷却。

回火

AISI 4320 合金钢可在 205 至 705°C(400 至 1300°F)温度下回火。

硬化

AISI 4320合金钢可以通过冷加工硬化,或者通过乳头处理和回火。

回答5:

相当于:20CrNi2MoA,是一种常用的合金渗碳钢,
AISI4320轴承钢的物理性能主要以检查显微组织、脱碳层、非金属夹杂物、低倍组织为主。一般情况下均以热轧退火、冷拉退火交货。交货状态应在合同中注明。钢材的低倍组织必须无缩孔、皮下气泡、白点及显微孔隙。中心疏松、一般疏松不得超过1.5级,偏析不得超过2级。钢材的退火组织应为均匀分布的细粒状珠光体。脱碳层深度、非金属夹杂物和碳化物不均匀度应符合相应有关国家标准规定。
品名称 AISI4320
各国标准 GB:G20CrNi2Mo
ASTM:C-4320 NF:20NCD7 JIS:SNCM420
EN:(B29)20NiCrMo7
主要成分 C:0.17~0.23 Si:0.15~0.40 Mn:0.40~0.70 Cr:0.35~0.65 Ni:1.60~2.00 Mo:0.20~0.30 Cu:≤0.25 P:≤0.030 S:≤0.030
机械性能 抗拉强度σb(MPa):≥980 条件屈服强度σ0.2(MPa):≥785 伸长率δ5(%):≥13 应用领域 C-4320主要用于铁路轴承等耐冲击、耐磨损零件。

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