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Precision stainless steel

Technical parameter
1、The production of steel
301/304/316/409L/410L/430/316L/304L/409/310S/321
2、Surface condition: TR/BA/2B
3、Dimensional tolerance
A、Allowable thickness deviation(JIS-G4305)        Unit conversion:mm
Thickness / width<160160-250250-400400-630630-1000
<0.10±0.010±0.020


0.10-0.16±0.015±0.020


0.16-0.25±0.020±0.025±0.030±0.030
0.25-0.40±0.025±0.030±0.035±0.035±0.038
0.40-0.60±0.035±0.040±0.040±0.040±0.040
0.60-0.80±0.040±0.045±0.045±0.045±0.05
B、Allowable deviation of width of rolling edge strip        Unit conversion:mm
Edge status / width<400
400-630630-1000
Edge rolling
+10
0
+20
0
+25
0
C、Allowable width deviation of trimming strip          Unit conversion:mm
Thickness / width<160160-250250-400400-630630-1000
≤0.60±0.15±0.15±0.30±0.30±0.50
0.60-0.80±0.15±0.15±0.30±0.30±0.50
4、Chemical composition                  Unit conversion:%
钢种CSiMnPSCrNiMoTi
301≤0.15≤1.00≤2.00≤0.045≤0.03016.00-18.006.00-8.00

304≤0.08≤1.00≤2.00≤0.045≤0.03018.00-20.008.00-10.50

316≤0.08≤1.00≤2.00≤0.045≤0.03016.00-18.0010.00-14.002.00-3.00
409L≤0.030≤1.00≤1.00≤0.040≤0.03010.50-11.75

6xC%-0.75
410L≤0.030≤1.00≤1.00≤0.040≤0.03011.00-13.50


430≤0.12≤0.75≤1.00≤0.040≤0.03016.00-18.00


316L≤0.030≤1.00≤2.00≤0.045≤0.03016.00-18.0012.00-15.002.00-3.00
304L≤0.030≤1.00≤2.00≤0.045≤0.03018.00-20.009.00-13.00

409≤0.08≤1.00≤1.00≤0.040≤0.03010.50-11.75

6xC%-0.75
310S≤0.08≤1.50≤2.00≤0.045≤0.03024.00-26.0019.00-22.00

321≤0.08≤1.00≤2.00≤0.045≤0.03017.00-19.009.00-13.00
≥5xC%

5、Mechanical property
A、Solid solution or annealing condition(JIS-G4305/4312)
SteelYield strength(Mpa)Tensile strength(Mpa)Elongation(%)Surface hardness(HV)Bending experiment angleBend radius
301≥205≥520≥40≤218

304≥205≥520≥40≤200

316≥205≥520≥40≤200

409L≥175≥360≥25≤175180°
0.5t(t<8mm)

1.0t(t≥8mm)
410L≥195≥360≥22≤200180°1.0t
430≥205≥420≥22≤200180°1.0t
316L≥175≥480≥40≤200

304L≥175≥480≥40≤200

409≥175≥360≥22≤175180°
0.5t(t<8mm)

1.0t(t≥8mm)
310S
≥205≥520≥40≤200

321≥205≥520≥40≤200


B、Cold work hardening state(JIS-G4313)
SteelDelivery statusSurface hardness(HV)Tensile strength(Mpa)Yield strength(Mpa)Elongation(%)


SUS304
1/2H250~310≥780≥470≥6
3/4H310~370≥930≥665≥3
H≥370≥1130≥880

SUS301
1/2H310~370≥930≥510≥10
3/4H370~430≥1130≥745≥5
H430~490≥1320≥1030
EH≥490≥1570≥1275