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非合金结构钢
类别 · 452 牌号

非合金结构钢

非合金结构钢包括所有低碳钢,其铁的伴生元素含量不超过规定的最低值。屈服强度、成形性和焊接性是决定其用途的关键因素。它们质软、易弯曲、韧性好且具有延展性,但不能通过热处理硬化。

牌号材料号CPSMnSiN
S275J2H1.0138≤0,200,030,03≤1,50——
S275J0C1.0140≤0,180,040,04≤1,50—0,009
S275J2C1.0141≤0,180,0350,035≤1,50——
S275J2C1.0142≤0,180,0350,035≤1,50——
P265GH1.0143≤0,180,030,03≤1,50—0,012
1.01441.0144≤0,180,0350,035≤1,50——
S245G1.0144G≤0,200,030,025≤1,60——
Fe430D21.0145≤0,180,0250,025≤1,50——
PSt 44-21.0146≤0,210,050,05——0,009
KSt 44-21.0148≤0,210,050,05——0,009
S275J0H1.0149≤0,200,0350,035≤1,50—0,009
ZSt 44-31.0153≤0,200,040,04———
ZSt 37-21.0159≤0,170,050,050,20-0,50Spuren/Traces0,007
S235JRG1F1.0160≤0,170,050,050,20-0,50Spuren/Traces0,007
UZSt 37-21.0161≤0,170,050,050,20-0,50Spuren/Traces0,007
S235J0Cu1.0162≤0,170,040,04≤1,40—0,009
S235J2G4Cu1.0163≤0,170,0350,035≤1,40——
RZSt 37-21.0165≤0,170,050,050,20-0,500,03-0,300,009
S235J21.0166≤0,170,0350,035≤1,40——
S235JR1.0167≤0,170,0450,045≤1,40—0,009
ZSt 37-31.0168≤0,170,040,040,20-0,500,03-0,30—
S235JRCu+CR1.0169≤0,170,040,035——0,009
S235JRG2CuC1.0170≤0,170,0450,045≤1,400,03-0,300,009
S235J2G3CuC1.0171≤0,170,0350,035—≤1,40—
RPSt 37-21.0172≤0,170,050,050,20-0,500,03-0,300,007
URoSt 37-21.0173≤0,170,050,050,20-0,50Spuren/Traces0,007
RRoSt 37-21.0174≤0,170,050,050,20-0,500,03-0,300,009
RoSt 37-31.0175≤0,170,040,040,20-0,500,03-0,30—
PSt 37-31.0176≤0,170,040,040,20-0,500,03-0,30—
S275JRCu1.0179≤0,210,050,05——0,009
USt 36-11.0201≤0,140,080,050,25-0,45Spuren/Traces—
C11G11.0203≤0,140,050,050,25-0,50Spuren/Traces—
C11G1C1.0204≤0,140,040,040,25-0,50Spuren/Traces—
C11G21.0205≤0,140,050,050,25-0,50≤0,30—
C10G11.02070,06-0,140,0350,0350,40-0,60Spuren/Traces0,012
C10G21.02080,06-0,120,0350,0350,40-0,60≤0,250,012
At 35-31.02090,06-0,120,040,040,40-0,600,03-0,25—
S215GSiT1.0211≤0,100,040,04≤0,55≤0,30—
S215GAIT1.0212≤0,100,0250,025≤0,70≤0,05—
C8C1.02130,06-0,100,020,0250,25-0,45≤0,10—
C10C1.02140,08-0,120,0250,0250,30-0,50≤0,10—
E2201.0215≤0,140,0250,025≤0,70≤0,35—
USt 38-11.0216≤0,190,080,05≤0,50Spuren/Traces—
C14G11.0217≤0,190,050,050,25-0,50Spuren/Traces—
RSt 41-21.02180,11-0,170,040,040,40-0,600,03-0,25—
St 41-31.02190,11-0,170,040,040,40-0,600,03-0,25—
E2601.0220≤0,160,0250,025≤1,20≤0,35—
C14G21.0223≤0,190,050,050,25-0,50≤0,300,007
C14G1C1.0224≤0,190,040,040,25-0,50Spuren/Traces0,007
E2751.0225≤0,210,0250,025≤1,40≤0,35—

覆盖此类别的标准

32

性能范围

21
性能单位下限上限牌号数
ReHN/mm²12055045
RmN/mm²2551050182
A80%43217
ReN/mm²165700145
A%541151
A5%73629
Z%186823
aKJ/cm²29984
KCUkJ/m²2407806
HB—9025528
HV—1001053
rhog/cm³7.5827.871319
EGPa1412137
alpha10^-6/K1115.66
lambdaW/(m·K)27766
cpJ/(kg·K)4668756
rho_elnΩ·m14011355
Ac1°C72074513
Ac3°C77088013
Ar3°C75585412
Ar1°C67770013

基于本类别中319 牌号的已记录数值得出。

成分范围

15
性能单位下限上限牌号数
B%0.00080.0051
C%0.0040.6318
N%0.00120.185
Al%0.010.0638
Si%0.034.5217
P%0.010.12336
S%0.0150.08336
Ti%0.030.326
V%0.020.211
Cr%0.120.518
Mn%0.031.9283
Ni%0.120.317
Cu%0.030.5542
Nb%0.010.0812
Mo%0.050.3514

基于本类别中336 牌号的已记录数值得出。

热处理

3
工序下限温度(°C)上限温度(°C)牌号数
normalizing——4
annealing——3
tempering——1