单齿履带型钢
单齿履带型钢

适用于在土壤/岩石地面条件下工作的推土机。


单齿履带型钢 


规格见下表

 

序号牌号米重(kg/m)规格 (mm)
节距齿高H板宽L板厚T
1S10619.62 106351357
2S12510.85 125351407.5
3S13511.10 13538.51507
4S13914.27 13942.51598.5
5S14016.44 14047182.58.5
6S15419.29 15447182.510
7S154A19.70 154491829.5
8S154B16.60 15447182.58.5
9S15618.06 156471809
10S15922.01 15952.319311.2
11S159.819.31 159.8491819.5
12S16021.60 16047202.511
13S165.919.37 165.962.71799.1
14S17023.72 17057.219711.5
15S170A25.60 17057.219712.7
16S170.525.19 170.55519912
17S17126.10 17150199.612
18S171A22.00 17147202.511
19S171.521.49 171.54720011
20S19029.80 1905722513
21S190A28.47 1905021512.5
22S196.232.50 196.258.723713.8
23S20332.00 20365237.513
24S203A30.76(31.1)/35.420365232.512/14.3
25S203B35.25 2036023814
26S203C40.20 20375243.515
27S203D42.74 20365242.513
28S203.231.04 203.26523212
29S203.2A38.76 203.271.524514.7
30S210.344.67 210.371.424815
31S210.3A48.47 210.371.424816.67
32S215.937.29 215.966.524913.5
33S215.9A41.84 215.966.524916
34S21637.40 21670247.514.2
35S216A40.80 21672252.2514.3
36S216B49.38 21682256.517
37S216C40.88 2166525014.3
38S216D54.19 21684242.519
39S216E44.6/48.421670.524915/17
40S216F37.80 21671.4249.414.2
41S216G40.80 21672252.2514.3
42S216H46.60 21671.5240.517
43S228.650.60 228.68026817
44S228.6A56.50 228.677.526119
45S228.6B57.29 228.677.826319.1
46S228.6C70.58 228.69326323
47S228.6D50.26 228.68026817
48S228.6E59.25 228.68026819
49S228.6F48.30 228.676.527617.5
50S24064.59 2408428520(22)
51S250.564.31 250.57928919
52S250.5A54.80 250.57629217
53S260.474.93 260.489.730320.6
54S260.4A77.51 260.48830422
55S260.4B83.71 260.410129822.5
56S28083.81 2809332223
57S317.5103.00 317.510236925
58S317.5A118.00 317.510336628


化学成分

 

牌号化学成分(%)
CSiMnPSCrNiCuBTiAls
23MnBM0.21~0.260.15~0.300.80~1.100.10~0.200.0005~0.00300.01~0.050.01~0.07
0.030.0150.250.25
25MnBM0.23~0.280.15~0.300.80~1.100.10~0.200.0005~0.00300.01~0.050.01~0.07
0.030.0150.250.25
25CrMnBM0.23~0.280.17~0.371.10~1.40≤0.030≤0.0200.30~0.50≤0.20≤0.250.015~0.0650.0005~0.00350.030~0.065



淬透性 

 

牌号

                                            距离(mm)

J1.5

J11

J13

J25

25MnBM

42-49

28-38

--

--

25CrMnBM

46-52

--

≥35

≤35


淬透性检验按GB/T225执行,正火温度900±10℃,淬火温度870±5℃。

 

 

试验方法

 

序号检验项目取样数量/个取样方法试验方法
1化学成分1/炉GB/T20066GB/T223   GB/T4336
2低倍组织1/炉任意流。浇次第一炉取头坯头部,浇次末炉取尾坯尾部。GB/T226  YB/T153
3非金属夹杂物1/炉任一支钢材GB/T 10561
4淬透性1/炉任一支钢材GB/T 225
5晶粒度1/炉任一支钢材GB/T6394
6尺寸逐支整根卡尺
7表面质量逐支整根目视


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