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Precision alloy

3J21 precision alloy

質(zhì)量穩(wěn)定：實(shí)行全過(guò)程質(zhì)量監(jiān)控，細(xì)致入微，全方位檢測(cè)

價(jià)格合理：高效內(nèi)部成本控制，減少開(kāi)支，讓利客戶

發(fā)貨快捷：先進(jìn)生產(chǎn)流水線，充足的備貨，縮短了交貨期

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3J21 (Executive standards GB / T 15018-1994 and Yb / T 5253-1993)

Chemical composition of 3J21:

*37329%*30967*30827;*38221;*38076;38068*30899*38192;*30789*38124;38081;
3J21(a)
td>146.5.39td>0.300.151920313;
(c)00100010167.5410.030.600.302137327;

3J21的物理性能:

密度8.4 g/cm3
熔點(diǎn)1372-1405℃

3J21 solid solution state, mechanical properties of the alloy at room temperature:

Alloy stateTensile strength < br clear = "all" / > σ B (MPA)Elongation < br clear = "all" / > a5%

hardness

Hv

3J21≥700≥35≤250

3J21 delivery state, mechanical properties of the alloy at room temperature:

Product varietyDelivery statusThickness or diameterPerformance groupTensile strength < br clear = "all" / > σ B (MPA)Elongation < br clear = "all" / > a5%
beltcold rolling0.20～2.5A1175~1470≥5
beltcold rolling0.20～2.5B1470~1765≥3
silkCold drawing0.20～5.0A1275~1570≥8
silkCold drawing0.20～5.0B1570~1865≥6

This alloy has the following properties:

3J21 is an elastic alloy containing 40% cobalt. Its three characteristics are nonmagnetic, corrosion-resistant and high elasticity

Metallographic structure of 3J21:

3J21 Alloy is austenitic

The application fields of 3J21 include:

1. Suitable for making non-magnetic, corrosion-resistant and high elastic components

2. Wire tensioning, spinning, etc. in precision instruments

Products of our company:

Cold and hot plate forging bar of wire and strip

  


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