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EN10297 1.1127 38Mn6 Alloy Steel Hollow Bar
| Type : | Seamless |
|---|
Product description
Application:
• Parts requiring excellent fatigue resistance eg. shafts, gears.
• Various safety-critical mechanical parts.
Competitive Advantage:
High strength
High tenacity
Good hardenability
High resistance to thermal properties
Competitive price
Fast production leadtime
Chemical Composition(%):
| Grades | C | Si | Mn | P | S |
|---|---|---|---|---|---|
| 40Mn2 | 0.37-0.44 | 0.17-0.37 | 1.40-1.80 | 0.025 max | 0.025 max |
| 38Mn6 | 0.34-0.42 | 0.15-0.35 | 1.40-1.65 | 0.035 max | 0.035 max |
Wall Thickness Tolerances
| Scope of Outer Diameter | Ratio of Wall Thickness and Outer Diameter (WT/OD) | Tolerance |
|---|---|---|
| 102mm max | / | +/12.5% or +/-0.4mm (Chose the bigger one) |
| 102mm min | 0.05 max | +/15% or +/-0.4mm (Chose the bigger one) |
| 102mm min | 0.05-0.10 | +/12.5% or +/-0.4mm (Chose the bigger one) |
| 102mm min | 0.10 min | (-10%, +12.5%) |
Mechanical Properties (Quenched and Tempered) (T=20°C if not differently stated)
| Wall Thickness (mm) | Tensile Strength (Mpa) | Yield Strength(Mpa) | Elongation (Longitudinal) (%) | Elongation (Transverse) (%) |
|---|---|---|---|---|
| 16 max | 670 max | 400 min | 14 min | 12 min |
| 16-40 | 620 max | 380 min | 15 min | 13 min |
| 40-80 | 570 max | 360 min | 16 min | 14 min |
Recommended Heat Treatment Temperatures
| Heat Treatment | Temperatures (°C) |
|---|---|
| Annealing | 650-700 |
| Normalizing | 850-880 |
| Austenitizing | 820-850 |
| Tempering | 540-680 |
Tube ends:
The hollow bar comes with square cut and deburred ends.
Certification:
The hollow bar is supplied with 3.1.B inspection certificate,according to the standards EN 10204 and ISO 10474.
Identification and Marking:
The hollow bar is marked in indelible ink, the details being repeated along the entire length of each tube and on a label, as follows:
Manufacturer`s trademark – manufacturing standard – dimensions -steel grade – supply condition – cast no. – item number.
Packaging:
The hollow bar comes in strapped bundles. The minimum weight of each bundle is 2000kg; the maximum bundle weight being 5000kg, with a minimum of 4 pieces
Our Services:
Third Party inspection acceptable. such as SGS, BV etc.
Supplying financial support with usance L/C 180 days after B/L date.
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