Issue
Material specification for stainless steel sensor pockets
Product Line
Field Devices
Environment
Sensor pockets
Cause
Some customers require a specification on the material used for the sensor pockets in stainless steel.
Resolution
Our stainless steel pockets are manufactured from V4A material (1.4571).
- material constants:
1. VA
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Material No. |
1.4571 |
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EN symbol (short) |
X6CrNiMoTi17-12-2 |
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AISI/SAE |
316 Ti |
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UNS |
S 31635 |
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AFNOR |
Z 6 CNDT 17.12 |
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B.S. |
320 S 17, 320 S18, 320 S31 |
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alloy |
— |
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Registered work's label |
— |
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Standards |
VdTÜV 454 |
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Chemical composition |
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C |
Si |
Mn |
P |
S* |
Cr |
Mo |
Ni |
Ti |
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≤ 0,08 |
≤ 1,0 |
≤ 2,0 |
≤ 0,045 |
≤ 0,015 |
16,5–18,5 |
2,0-2,5 |
10,5-13,5 |
5 x C ≤ 0,70 |
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* for long products S ≤ 0,30; for products to be processed S = 0,015–0,030 |
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Special characteristics |
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Temperature range |
Dichte kg/dm³ |
Hardness HB 30 |
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up to 550° C |
8 |
≤215 |
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