EN 10305-1 E235 E255 E355 +N precision seamless steel tube
Substantial CZPT Seamless Steel Tube for Automotive Market and CZPT Software
Apps
1. Automotive fields
A. Fuel injection traces/nozzles
B. CNG (Compressed Mother nature Gasoline) tube– Burst force: 1307Bar, Working Stress: all around 350bar
C. Generate transmission: Steering column aspects
D. Equipment shafts, hand brake, entrance axles, airbag inflators, stabilizers, seat fasteners, front-wheel generate shafts
E. Shock absorber and others
2. CZPT Fields
A. CZPT circuits (HPL), pneumatic traces, and hydraulic suspension system
B. CZPT cylinders (HPZ)
3. Other Fields
CZPT equipment, CZPT cylinder, warmth exchanger, large precision machines, oil traces, and other individuals in need to have
Additional Area Remedy Following TUBE MACZPT
one. Galvanizing
A. Silver galvanized
B. Yellow galvanized
C. CZPT green coated
Layer thickness: 8-20um, Salty Spray Test: 48-150 hours
2.Black phosphate
| Material Chemical Composition (%) | |||||||||
| Normal | Metal Grade | Content Variety | C | Si | Mn | P | S | Cr | Mo |
| DIN 2391 | ST35 | one.0308 | <= 0.17 | <= 0.35 | >=.04 | <=0.571 | <=0.571 | – | – |
| ST45 | one.0408 | <= 0.21 | <= 0.35 | >=.04 | <=0.571 | <=0.571 | – | – | |
| ST52 | 1.058 | <= 0.22 | <= 0.55 | <=1.60 | <=0.571 | <=0.571 | – | – | |
| BK | BKW | BKS | GBK | ||||||
| Steel Grade | Rm Tensile Strength (Mpa) Min | A Elongation(%) Min | Rm Tensile Power (Mpa) Min | A Elongation(%) Min | Rm Tensile Strength (Mpa) Min | Rel Generate Strength(Mpa) Min | A Elongation (%) Min | Rm Tensile Power (Mpa)Min | A Elongation (%)Min |
| ST35 | 480 | 6 | 420 | ten | 420 | 315 | 14 | 315 | twenty five |
| ST45 | 580 | five | 520 | 8 | 520 | 375 | 12 | 390 | 21 |
| ST52 | 640 | 4 | 580 | seven | 580 | 420 | 10 | 490 | 22 |
| Regular | Metal Grade | Substance Amount | C | Si | Mn | P | S | Cr | Mo |
| EN10305-one EN10305-four |
E235 | one.0308 | <= 0.17 | <= 0.35 | >=.04 | <=0.571 | <=0.571 | – | – |
| E255 | one.0408 | <= 0.21 | <= 0.35 | >=.04 | <=0.571 | <=0.571 | – | – | |
| E355 | one.058 | <= 0.22 | <= 0.55 | <=1.60 | <=0.571 | <=0.571 | – | – |
| Metal Grade | (+C) | (+LC) | (+SR) | (+A) | (+N) | |||||||
| Rm Tensile Strength (Mpa) Min | A Elongation(%) Min | Rm Tensile Energy (Mpa) Min | A Elongation(%) Min | Rm Tensile Power (Mpa) Min | Rel Yield Energy(Mpa) Min | A Elongation (%) Min | Rm Tensile Strength (Mpa)Min | A Elongation (%)Min | Rm Tensile Toughness (Mpa) | Rel Produce Strength (Mpa) Min | A Elongation (%) Min | |
| E235 | 480 | six | 420 | 10 | 420 | 350 | 16 | 315 | 25 | 340-480 | 235 | twenty five |
| E255 | 580 | 5 | 520 | eight | 520 | 375 | twelve | 390 | 21 | 440-570 | 255 | 21 |
| E355 | 640 | four | 580 | 7 | 580 | 450 | 10 | 450 | 22 | 490-630 | 355 | 22 |
| Substance Chemical Composition (%) | |||||||||
| Metal Grade | Materials Quantity | C | Si | Mn | P | S | Cr | Mo | |
| GB/T 8162 GB/T 8163 GB/T 3639 |
ten | – | .07-.14 | .17-.35 | .35-.sixty five | <=0.035 | <=0.04 | – | – |
| 20 | – | .seventeen-.23 | .17-.37 | .35-.sixty five | ≤0.035 | ≤0.035 | – | – | |
| forty five | – | .forty two-.fifty | .seventeen-.37 | .fifty-.eighty | ≤0.035 | ≤0.035 | – | – | |
| Q345B/16Mn | – | ≤0.twenty | ≤0.fifty | <=1.70 | ≤0.035 | ≤0.035 | – | – | |
Many other steel grades and CZPT – modified steel grades are available on request
| Some samples of connected metal quality | ||||||
| GB | TOCT | ASTM | BS | JIS | NF | DIN |
| 10F | 1571 | 040A10 | XC10 | |||
| 10 | 10 | 10,one hundred and one,012 | 045M10 | S10C | XC10 | C10,CK10 |
| 20 | twenty | 1571 | 050A20 | S20C | XC18 | C22,CK22 |
| forty five | forty five | 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 |
Delivery conditions: CZPT tubes are delivered in following conditions (first symbol lists previous designation, the new one according to EN is in brackets):
BK (+C) Cold finished/hard (cold finished as drawn).
No heat treatment after last cold forming process.
BKW (+LC) Cold finished/soft (lightly cold worked).
After last heat treatment there is a light finishing pass (cold drawing).
BKS (+SR) Cold finished/stress relieve annealed.
After the final cold forming process the tubes are stress relieve annealed.
GBK (+A) Annealed.
After the final cold forming process the tubes are annealed in a controlled atmosphere.
NBK (+N) Normalized.
After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere.
Tests: all tubes are checked according to the relevant production standardsupplementary/optional tests are available on request chemical mechanical and technological tests are made according to relevant standard
Certificates: according to EN 15714 3.1
Packed in bundles or containers
