Customization: | Available |
---|---|
Name: | Hydrolic Cylinder Tube |
Processing Method: | Cold Drawning, Hot Rolling |
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
DIN2391-2 | ST52, ST52.3, ST52.4 |
ASTM A519 | SAE1020, SAE1026, SAE1045, SAE1541, SAE4130, SAE4140, SAE4145, SAE4340 |
EN10305-1 | E355, C45E, 25CrMo4, 42CrMo4 |
Other | E410, E470, 20MnV6, CK45,etc |
STKM 13A 13B 13C Chemical Analysis & Mechanical Properties | ||||||||||||||
Kind | Mark | Manuf | Chemical Composition% | Tensile Test | Bend Test Flattening Test | |||||||||
C | Si | Mn | P | S | Tensile | Yield | ELOVG(%) | Bend | Inside | Outside | ||||
(N/mm²) | (N/mm²) | Test Piece | 5 th | Angle | Radius | Radius | ||||||||
11th 12 th | Test Piece | |||||||||||||
L | V | |||||||||||||
13A | STKM13A | S | 0.25> | 0.35> | 0.3 | 0.04 | 0.04 | 380 | 220 | 30 | 25 | 90 | 6D | 2/3D |
13B | STKM13B | E | | | Under | Under | 450 | 310 | 20 | 15 | 90 | 6D | 3/4D | ||
13C | STKM13C | 0.9 | 520 | 390 | 15 | 10 | - | - | - |
Delivery Condition | Cold drawn+ stress-relieved(BK+S)(SR) | Cold fished (hard)(BK) | |||
Steel Grade | Tensile strength (Rm Mpa) |
Yield strength | Elogation A5% | Tensile strength (Rm Mpa) |
Elogation A5% |
20# | ≥520 |
≥375 | ≥15 | ≥550 | ≥8 |
45# | ≥600 | ≥520 | ≥10 | ≥640 | ≥5 |
E355(Q345B,St52) | ≥600 | ≥520 | ≥14 | ≥640 | ≥5 |
25Mn | ≥600 | ≥510 | ≥15 | ≥640 | ≥5 |
27SiMn | ≥760 | ≥610 | ≥10 | ≥800 | ≥5 |