SAE J524 Seamless Low Carbon Seamless Steel Tube Annealed for Bending / Flaring
Product Details
precision stainless steel tubing
,seamless carbon steel tube
SAE J524 Seamless Low Carbon Seamless Steel Tube Annealed for Bending / Flaring
Standard:
SAE J524 Seamless Low Carbon Steel Tubing Annealed for Bending and Flaring
Applications: for Bending and Flaring to auto parts
Size range: O.D.:6-88.9mm W.T.:1-15mm L: According to customer Order
| Table 1- TUBING OUTSIDE DIAMETER TOLERANCE | |||||||
| Nominal Tubing OD mm | Tolerance ±mm | ||||||
| Up to 25.4 | 0.10 | ||||||
| Over 25.4 to 38.1 inclusive | 0.15 | ||||||
| Over 38.1 to 50.8 inclusive | 0.20 | ||||||
| Over 50.8 to 88.9 inclusive | 0.25 | ||||||
| WT tolerance shall be not more than 10% | |||||||
| Table 2- CHEMICAL REQUIREMENTS | |||||||
| Element | % | ||||||
| Carbon | 0.18 max | ||||||
| Manganese | 0.30 to 0.60 | ||||||
| Phosphpris | 0.040 max | ||||||
| Sulfur | 0.050 max | ||||||
| Table 3- MECHANICAL PROPERTIES | |||||||
| Properties | Value | ||||||
| Yield Strength,min | 170 Mpa | ||||||
| Ultimate Strength,min | 310 Mpa | ||||||
| Elongation in 50mm, min | 35% | ||||||
| Hardness ( Rockwell B),max | 65.00 | ||||||
Quality:
Lengths of finished tubing is reasonably straight and have smooth ends free from burrs.
Tubing is free from scale and injurious defects and have a workmanlike finish.
Surface imperfections such as handling marks, die marks, or shallow pits shall not be considered injurious
defects provided the imperfections are within the tolerance specified for diameter and wall thickness.
The removal of such surface imperfections is not required.
PERFORMANCE REQUIREMENTS:
The finished tubing satisfactorily meet the following performance tests in SAE J1677
- Flattening test
- Flaring test
- Reverse Flattening test
- Expansion Test
- Hardness Test
- Tensile Test
- Elongation Test
- Pressure Proof Test
-
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