NEW-ERA STEEL TUBE TECHNOLOGY CO.,LTD
NEW-ERA STEEL TUBE HOLDING NINGBO PIPEWAY TRADE CO.,LTD
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Product Name: ASTM A519 4130 Seamless Mechanical Alloy Steel Tube
High Strength Alloy Steel Tubes SAE4130 SAE4140
Size Range: OD: 6-256mm, WT: 1-30mm, Length: 5.8m/6m, maximal 11.8m
Delivery Condition: HR, CW, SR, A, N
Application: For mechanical application
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 | Alloy Steel Seamless Mechanical Tubing with High Strength |
| Material | SAE4130, SAE4140, etc |
| 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 |
