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Product Name: 4140 ASTM A519 seamless precision pipes automotive tubes , Mechanical Alloy Steel Tubing
Material:SAE1010, SAE1020, SAE4130,4140,SAE1026
Size Range: OD: 6-88mm, WT: 1-15mm, Length: 5.8m/6m, maximal 11.8m
Delivery Condition: CW, SR, A, N
Application: For mechanical application
Stable Quality with Comeptitive Price.
+SR Heat Treatment, Strength Relief heat treatment.
Quality Control:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing or Cold Rolling, On line inspection
5. Heat Treatment: SR, A, N
6. Straightening/Cutting to specified length/Finished Measuring Inspection
7. Quality Testing in own lab with Tensile Strength, Yield Strength, Elongation, Hardness, Straightness, etc.
8. Packing and Stocking.
100% Eddy Current Testing.
100% Size Tolerance Checking.
100% Tube surface checking to avoid surface defects.
| Product Name | 4130 / 4140 Seamless Alloy Steel Tube , Mechanical Alloy Steel Tubing |
| Material | 1010, 1020, 1026, 1045, 4130, 4140 |
| Delivery Condition | HR, CW, SR, A, N |
| Standard | ASTM A519 |
| Application | Mechanical usage |
| Certificate | TS16949, ISO 9001 |
| HS code | 7304319000 |
| Delivery Time | 45 days |
| Pakcing | Bundles or Woodern Boxes |
| Grade | C | Mn | P ≤ | S ≤ | Si | Cr | Mo |
| 1010 | 0.08--0.13 | 0.30--0.60 | 0.40 | 0.05 | -- | -- | -- |
| 1020 | 0.18--0.23 | 0.30--0.60 | 0.40 | 0.05 | -- | -- | -- |
| 1026 | 0.22--0.28 | 0.60--0.90 | 0.40 | 0.05 | -- | -- | -- |
| 1045 | 0.43--0.50 | 0.60--0.90 | 0.40 | 0.05 | -- | -- | -- |
| 4130 | 0.28--0.33 | 0.40--0.60 | 0.04 | 0.04 | 0.15--0.35 | 0.80--1.10 | 0.15--0.25 |
| 4140 | 0.38--0.43 | 0.75--1.00 | 0.04 | 0.04 | 0.15--0.35 | 0.80--1.10 | 0.15--0.25 |
| Grade | Condition |
Tensile Strength (Mpa) |
Yield Strength (Mpa) |
Elongation (%) |
HRB |
| 1020 | HR | 345 | 221 | 25 | 55 |
|
|
CW | 483 | 414 | 5 | 75 |
|
|
SR | 448 | 345 | 10 | 72 |
|
|
A | 331 | 193 | 30 | 50 |
|
|
N | 379 | 234 | 22 | 60 |
| 4130 | HR | 621 | 483 | 20 | 89 |
|
|
SR | 724 | 586 | 10 | 95 |
|
|
A | 517 | 379 | 30 | 81 |
|
|
N | 621 | 414 | 20 |
89 |
| Cold drawn and Cold rolled bearing tubes tolerance control level | |||
| Outer Diameter | Diameter Tolerance | Outer Diameter | Diameter Tolerance |
| (mm) | (mm) | (mm) | (mm) |
| ≤12.70 | ±0.08 | >50.80～63.5 | ±0.25 |
| 12.7～25.40 | ±0.10 | >63.50～76.20 | ±0.30 |
| >25.4～38.10 | ±0.15 | >76.20～101.60 | ±0.40 |
| >38.1～50.80 | ±0.20 | >101.60～203.20 | ±0.50 |
|
Remark:Tolrance on outer diameter and Inner diameter,wall thickness can be specified by customer requested, |
|||
Delivery Condition: +C, +LC, +SR, +A, +N
Production Size Range:
OD: 10-210mm
WT: 2-30mm
Length: 2-5.8m
Alloy Steel Tube Characteristic:
High strength
High-precision
Good Surface Quality
Stable quality
Smooth Roughness
Production Processs:
Seamless Cold Drawn or Seamless Cold Rolled + Heat Treatment or Stress released control
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Main Product:
Seamless Bearing Tubes ,
Mining Drill Pipes,
Boiler Steel Tubes,
Alloy Mechanical Tubing,
Precision Steel tubes,
Stainless Steel tubes
