ST37 ST35 ST52
Din 2391 Inconsutilem fistulae ferreae (Din 2391, En 10305-1, en 10305-4, BS 6323 tubus ferri inconsutilis NBK GBK)
Specification
| Standard | DIN2391 DIN1630 DIN2448 |
| Gradus | ST35/E235 ST37.4 ST45/E255 ST52/E355 |
| Delivery Condition | NBK(+N) BK(+C) GBK(+A) BKW(+LC) BKS(+SR) |
| Magnitudo | OD:4 ad 219mm Crassitudo 0.5-35mm, Longitudo: 3m,5.8,6 vel secundum exigentias |
| perago | Superficies Galvanized (Sliver/Yellow/Colorful) Zinc coating of 8-12um |
| Applicationem | Hydraulic System;Car/bus;constructione vehiculum |
| Tempus adferendi | A.3 dies si hoc bonum est, stirps bona est. B. circiter XXX dies secundum quantitatem |
AEQUOR treatments
1. Tubus nudum (non coating): splendidus et lenis
A. Argentum galvanized
B. Yellow galvanized
C. viridis linivit
Iacuit crassitudo: 8-20um, salsa Spray Test: 48-150 horae
3. Nigrum PHOSPHATE
Diversi Agri
1. Automotive agri
A. Fuel iniectio lineae / nozzles
B. CNG (Cogo Natura Gas) tube-- Bursus pressus: 1307Bar, Pressura operans: circa 350bar
C. Coegi tradenda: gubernaculo columnae elementa
D. Apparatus hastilia, manus confregit, axes anteriores, inhalatores airbag, stabilimenta, sedem fasteners, rota ante-traxerunt hastilia.
2. HYDRAULICUS Agri
A. Circuitus hydraulicus (HPL), lineis pneumaticis et suspensionis hydraulicis
B. cylindrici hydraulici (HPZ)
Compositio chemica
| Steel Gradus | C | Si | Mn | P | S | Al | |
| Nomen | Nec. | max | max | max | max | max | max |
| ST35 | 1.0308 | 0.17 | 0.35 | 0.4（min） | 0.024 | 0.024 | - |
| ST45 | 1.0408 | 0.21 | 0.35 | 0.4（min） | 0.024 | 0.024 | - |
| ST52 | 1.058 | 0.22 | 0.55 | 1.6 | 0.024 | 0.024 | - |
Mechanica Properties
| Steel Gradus | Fortitudo cede (Mpa) | Distrahens fortitudo (Mpa) | Prolongatio% | |
| Nomen | Nec. | ReH (min) | Rm(min) | A(min) |
| ST35 | 1.0308 | 235 | 340 ad 480 | 25 |
| ST45 | 1.0408 | 255 | 440 ad 570 | 21 |
| ST52 | 1.058 | 355 | 490 ad 630 | 22 |
tolerantia
| OD | Tolerantia licita | Special Tolerantia | ||
|
| GB/T3639 | DIN2391 | OD | WT |
| 4mm-20mm | ±0.10mm | ±0.08mm | ±0.05mm | ±0.05mm |
| 20mm-30mm | ±0.10mm | ±0.08mm | ±0.08mm | ±0.08mm |
| 31mm-40mm | ±0.15mm | ±0.15mm | ±0.10mm | ±0.08mm |
| 41mm-60mm | ±0.20mm | ±0.20mm | ±0.15mm | ±0.15mm |
| 61mm-80mm | ±0.30mm | ±0.30mm | ±0.20mm | ±0.20mm |
| 81mm-120mm | ±0.45mm | ±0.45mm | ±0.30mm | ±0.30mm |
Delivery Condition
| Designatio | Symbolum | Descriptio |
| Frigus complevit (difficile) | BK(+C) | Tubuli caloris curationem non subeunt secundum extremum frigidum formantem et sic deformatio magis resistentia |
| Frigus complevit (Soft) | BKW | Curatio caloris extremum sequitur frigus attractum deformatio limitata.Aptus processus ulterior permittit quendam gradum formandi frigoris (exempli deflexio, expansio) |
| (+LC) | ||
| Frigidus complevit et accentus, sublevetur | BKS(+SR) | Curatio caloris applicata est post extremum frigidum processum formantem.Subiectis congruis condicionibus processui, incrementa residua extollit quae involvit, dat et formare et machinere aliquo modo. |
| Annealed | GBK(+A) | Ultimum processus frigidum formans sequitur furnum in atmosphaera moderata. |
| Normalised | NBK(+N) | Ultimum frigus processus formandi sequitur furnum super punctum transmutationis superioris in atmosphaera temperata. |
Quality Assurance
1. Strictum secundum DIN2391/EN10305 vel aliud vexillum.
2. Sample: Sample gratis test.
3. Expertus: Sal imbre test/test tensile / Eddy current / Chemical compositio test secundum clientium petitionem
4. Certificate: IATF16949, ISO9001, SGS etc.
5.EN 10204 3.1 Certification
Product packaging
