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Chrome Molybdenum Alloy Steel Tube 4130 / 4140
| Model No. : | SAE 4130 / SAE 4140 |
|---|---|
| Brand Name : | HuiJie |
| standard : | Bs,Gb,Astm,Jis,Din,Api |
Ningbo, Zhejiang, China
- Manufacturer
- OEM service
- Gold Supplier
- Platform Certification
Product description
Cr-Mo Alloy SAE4130 Seamless Steel Tube
30CrMo 4130 / 42CrMo 4140 cold drawn seamless alloy steel tubing
COLD DRAWN SEAMLESS ALLOY STEEL TUBES
STEEL GRADE: SAE/AISI4130
SPECIFICATIONS: ASTM A519 WITH FOLLOWING REQUIREMENTS.
MECHANICAL PROPERTIES
| Tensile Min | 725MPa |
| Yield Min | 620MPa |
| Elongation (50.8mmG.L) | Min 15% |
| Hardness | 230-280 HB |
| Condition | Stress relieved. |
| Straightness better than: | 1 in 2000 MAX (1MM DEVIATION IN 2000MM) |
| Eccentricity (Max) | 5% |
| Grain size | ≥ 9 according to ASTM E112 |
| Residual Hoop stress | <80Mpa according to ASTM E1928-99 |
DIMENSION AND TOLERANCES (IN MM)
| SR.NO. | OUTSIDE DIA | TOLERANCE | INSIDE DIA | TOLERANCE | WT | LENGTH (+5/-0) |
| 1 | 55.56 | +0.18/-0 | 46.20 | +0/-0.18 | 4.68 | 3070 |
| 2 | 69.85 | +0.20/-0 | 60.32 | +0/-0.20 | 4.765 | 3070 |
| 3 | 88.90 | +0.25/-0 | 78.00 | +0/-0.25 | 5.45 | 3070 |
NON-DESTRUCTIVE TEST
Eddy Current Examination according to ASTM E309shall be applied on all tubes using External Longitudinal notch with depth of no more than 7.5% of wall thickness (maximum notch depth 0.80mm and minimum notch depth 0.30mm) , 0.30mm maximum width and 25mm maximum length, made from the same chemistry and size of tubing.
SURFACE CONDITION
The tubes must have smooth surface
MARKING
The request information shall be marked on each tube with paint, and
each bundle shall be identified with a securely attached metal tag.
COATING
The tubes inside and outside shall be coated with a rust inhibitor
PACKING
Standard Export worthy packing, preferably in hexagonal bundle with plastic wrapped and steel strapped.
Application:
Fuel injection Pipe, Oil flow pipeline , Automobile and motorcycle Shock Absorber Pipe
Seat lifter Pipe Hydrau-cylinder Pipe, Bicycle frame steel pipes Mechanical steel pipes for auto and motor parts
Auto and Motorcycle Parts Exhaust Pipe for Generator
High Heels Steel Pipes Campanula Seamless Steel Pipe
Bike and Bicycle Frame Hydraulic System(Oil Pipeline, Motor Engine Pipe)
Sewing machine and textile machine parts Air conditioning fitting
Gas oil burner pipe Oil pipe drilling
Auto and motor pipe fittings Gas Spring pipe,motor casing pipe
Ningbo, Zhejiang, China
- Manufacturer
- OEM service
- Gold Supplier
- Platform Certification
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