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EPT EPT Seamless Steel EPT for EPTT Sector and EPT Software
Applications
1. EPTT fields
A. Fuel EPT lines/nozzles
B. CNG (Compressed Character Gas) tube– Burst strain: 1307Bar, Working Pressure: around 350bar
C. Travel EPTT: Steering column components
D. EPT shafts, hand brake, entrance axles, airbag inflators, stabilizers, seat fasteners, entrance-wheel EPT shafts
E. Shock absorber and other folks
two. EPT Fields
A. EPT circuits (HPL), pneumatic traces, and EPT suspension method
B. EPT cylinders (HPZ)
3. Other Fields
EPT EPTTs, EPT cylinder, warmth exchanger, substantial precision EPTTs, oil strains, and others in need
Added Area Remedy Right after TUBE MAEPT
one. Galvanizing
A. Silver galvanized
B. Yellow galvanized
C. Olive environmentally friendly coated
Layer thickness: 8-20um, Salty Spray Test: 48-150 hrs
2.Black phosphate
| EPT EPTT Composition (%) | |||||||||
| StXiHu (West EPT) Dis.Hu (West EPT) Dis.rd | Steel Grade | EPT Variety | C | Si | Mn | P | S | Cr | Mo |
| DIN 2391 | ST35 | one.0308 | lt= .17 | lt= .35 | gt=.04 | lt=.571 | lt=.571 | – | – |
| ST45 | 1.0408 | lt= .21 | lt= .35 | gt=.04 | lt=.571 | lt=.571 | – | – | |
| ST52 | 1.058 | lt= .22 | lt= .fifty five | lt=one.60 | lt=.571 | lt=.571 | – | – | |
| BK | BKW | BKS | GBK | ||||||
| Steel Quality | Rm Tensile Strength (Mpa) Min | A EEPTTation(%) Min | Rm Tensile Toughness (Mpa) Min | A EEPTTation(%) Min | Rm Tensile Energy (Mpa) Min | Rel Produce Strength(Mpa) Min | A EEPTTation (%) Min | Rm Tensile Strength (Mpa)Min | A EEPTTation (%)Min |
| ST35 | 480 | 6 | 420 | 10 | 420 | 315 | 14 | 315 | 25 |
| ST45 | 580 | 5 | 520 | 8 | 520 | 375 | twelve | 390 | 21 |
| ST52 | 640 | four | 580 | seven | 580 | 420 | ten | 490 | 22 |
| StXiHu (West EPT) Dis.Hu (West EPT) Dis.rd | Steel Quality | EPT Amount | C | Si | Mn | P | S | Cr | Mo |
| EN10305-one EN10305-4 |
E235 | one.0308 | lt= .seventeen | lt= .35 | gt=.04 | lt=.571 | lt=.571 | – | – |
| E255 | 1.0408 | lt= .21 | lt= .35 | gt=.04 | lt=.571 | lt=.571 | – | – | |
| E355 | one.058 | lt= .22 | lt= .fifty five | lt=1.sixty | lt=.571 | lt=.571 | – | – |
| Steel Quality | ( C) | ( LC) | ( SR) | ( A) | ( N) | |||||||
| Rm Tensile Power (Mpa) Min | A EEPTTation(%) Min | Rm Tensile Power (Mpa) Min | A EEPTTation(%) Min | Rm Tensile Strength (Mpa) Min | Rel Generate Energy(Mpa) Min | A EEPTTation (%) Min | Rm Tensile Toughness (Mpa)Min | A EEPTTation (%)Min | Rm Tensile Power (Mpa) | Rel Generate Power (Mpa) Min | A EEPTTation (%) Min | |
| E235 | 480 | 6 | 420 | ten | 420 | 350 | 16 | 315 | twenty five | 340-480 | 235 | twenty five |
| E255 | 580 | five | 520 | eight | 520 | 375 | 12 | 390 | 21 | 440-570 | 255 | 21 |
| E355 | 640 | four | 580 | 7 | 580 | 450 | ten | 450 | 22 | 490-630 | 355 | 22 |
| EPT EPTT Composition (%) | |||||||||
| Steel Quality | EPT Number | C | Si | Mn | P | S | Cr | Mo | |
| GB/T 8162 GB/T 8163 GB/T 3639 | ten | – | .07-.fourteen | .seventeen-.35 | .35-.sixty five | lt=.035 | lt=.04 | – | – |
| 20 | – | .seventeen-.23 | .seventeen-.37 | .35-.sixty five | le0.035 | le0.035 | – | – | |
| forty five | – | .42-.fifty | .seventeen-.37 | .fifty-.80 | le0.035 | le0.035 | – | – | |
| Q345B/16Mn | – | le0.20 | le0.50 | lt=1.70 | le0.035 | le0.035 | – | – | |
Many other steel grades and EPT – modified steel grades are accessible on ask for
| Some samples of relevant metal grade | ||||||
| GB | TOCT | ASTM | BS | JIS | NF | DIN |
| 10F | 1571 | 040A10 | XC10 | |||
| 10 | 10 | 10,101,012 | 045M10 | S10C | XC10 | C10,CK10 |
| 20 | twenty | 1571 | 050A20 | S20C | XC18 | C22,CK22 |
| 45 | 45 | 1045 | 080M46 | S45C | XC45 | C45,CK45 |
| 30CrMo | 30XM | 4130 | 1717COS110 | SCM420 | 30CD4 | |
| 42CrMo | 4140 | 708A42 | 42CD4 | 42CrMo4 | ||
| 708M40 | ||||||
| 35CrMo | 35XM | 4135 | 708A37 | SCM3 | 35CD4 | 34CrMo4 |
Supply situations: EPT tubes are delivered in adhering to conditions (initial image lists earlier designation, the new one in accordance to EN is in brackets):
BK ( C) Cold finished/hard (chilly finished as drawn).
No warmth remedy soon after previous chilly forming approach.
BKW ( LC) Cold finished/comfortable (evenly cold labored).
Soon after previous warmth therapy there is a mild ending move (cold drawing).
BKS ( SR) Cold completed/tension alleviate annealed.
Soon after the last cold forming procedure the tubes are stress relieve annealed.
GBK ( A) Annealed.
Following the closing cold forming process the tubes are annealed in a controlled atmosphere.
NBK ( N) Normalized.
After the ultimate cold forming process the tubes are annealed previously mentioned the higher transformation position in a managed atmosphere.
Checks: all tubes are checked in accordance to the related production stXiHu (West EPT) Dis.Hu (West EPT) Dis.rdsupplementary/optional checks are offered on ask for chemical mechanical and technological exams are made in accordance to related stXiHu (West EPT) Dis.Hu (West EPT) Dis.rd
Certificates: in accordance to EN 15714 three.one
Packed in bundles or boxes
