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 FeTech is a springs manufacturer that famous for the technologies of dealing with variable materials, which are including:

Material Designation     
Temperature Range ℃
Thickness Range  mm
Tensile Strength N/mm2
Density kg/dm3
E-modulus in kN/mm2
China
Germany
Material no.
U.S.
RT℃
100℃
200℃
300℃
400℃
500℃
600℃
  Standard requirements
60Si2Mn
60SiCr7
1.7108
9260H
-50…+200
0.3...22
1400-2000
7.85
206
202
196
-
-
-
-
50CrVA
50CrV4
1.8159
6150
-50…+200
0.3...30
1400-2000
7.85
206
202
196
-
-
-
-
  Corrosion Resistant
1Cr17Ni7
X 12CrNi17 7
1.4310
301
-200…+200
0.2....4
1100-1500
7.90
190
186
180
-
-
-
-
0Cr18Ni9
X 5CrNi18 10
1.4301
304
-200…+200
0.2....4
1100-1800
7.90
190
186
180
-
-
-
-
0Cr17Ni12Mo2N
X 5CrNiMo17 12 2
1.4401
316
-200…+200
0.2....4
950-1500
7.90
190
186
180
-
-
-
-
0Cr17Ni4Cu4Nb
X 5CrNiCuNb 16-4
1.4542
630
-200…+330
0.2...50
1000-1700
7.90
195
190
180
171
-
-
-
0Cr17Ni7Al
X 7CrNiAl 17-7
1.4568
631
-200…+330
0.2...50
1000-1700
7.90
195
190
180
171
-
-
-
0Cr15Ni7Mo2Al
X 8CrNiMoAl 15-7-2
1.4532
632
-200…+375
0.2...50
1000-1700
7.90
195
190
180
171
-
-
-
NS142
NiCr21Mo
2.4858
Incoloy 825
-200…+330
0.1..…2
≥550
8.10
220
218
208
202
-
-
-
  Heat-stable
30W4Cr2V
X 30WCrV 5 3
1.2567   1.8242
-
-50…+450
1.5...50
1200-1400
8.20
206
202
196
189
178
-
-
2Cr12MoV
X 22CrMoV12 1
1.4923
-
-50…+500
1.5...20
1200-1400
7.70
209
202
194
184
173
162
-
X39CrMo17-1
X 39CrMo17-1
1.4122
-
-50…+400
 
1200-1400
7.70
209
205
199
192
181
-
-
4Cr5MoSiV1
X 40CrMo5-1
1.2344
H13
-50…+600
1.5...50
1100-1740
7.85
210
206
202
195
190
182
175
  Antimagentic&Corrosion Resistant
CuBe2
CuBe2
2.1247
-
-260…+200
0.1...20
1250-1450
8.30
135
131
125
-
-
-
-
  Highly heat-stable (Nickel & Cobalt alloy steal)  
GH145
NiCr15Fe7TiAl
2.4669
Inconel X-750
-200…+600
0.1...50
≥1170
8.28
214
207
198
190
179
170
158
GH169
NiCr19Fe19Nb5Mo3
2.4668
Inconel 718
-200…+600
0.1...50
≥1280
8.19
199
195
190
185
179
174
167
GH90
NiCr20Co18Ti
2.4632LW      2.4969
Nimonic 90
-200…+700
0.1...50
≥1310
8.18
220
216
208
202
193
187
178
S816
-
-
-
-200…+815
0.1...50
≥1320
8.30
225
220
216
211
205
199
190

*If the material you need is not in the table, please contact us for sure we can do it.