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DIN EN 10297-1 1.7035 41Cr4 Quenched and Tempered Alloy Steel Hollow Bar
OverviewQuick DetailsStandard:BSStandard2:BS EN 10297Grade Group:Cr-Mo alloyGrade:12Cr1MoV, 10CrMo910, 12CrMo, 13CrMo44, 12Cr2Mo, 12CrMo195,
$1 /piece
Product Details
Transaction Comments
EN10297 1.7035 41Cr4 Mechanical Structure Hollow Bored Bar Alloy Seamless Steel Pipe
Application:
This is one of the most commonly used alloy quenched and tempered steel, used in manufacturing bear under moderate load and medium speed operating conditions of mechanical parts, such as automotive steering knuckles, gears and rear axle on the machine shaft, worm, spline shaft, top sets, and also may be quenched after high-frequency surface hardening for manufacturing a high surface hardness and wear resistance without great impact parts. Such as gears, sleeves, shafts, spindles, mandrels, pins, connecting rod bolt, intake valves, etc.. It can also be hardened, medium or low temperature tempering. And it can be manufactured heavy duty parts, and is suitable for manufacturing Oxycarbonitride permeation treatment of various transmission parts, such as large diameter and good low temperature toughness requirements gears and shafts .
Competitive Advantage:
High strength
High tenacity
Good hardenability
High resistance to thermal properties.
Competitive price
Fast production leadtime
All the material are inspected with 3 times to meet the highly standards
Chemical Composition(%):
| Grades | C | Si | Mn | P | S | Cr | Ni |
|---|---|---|---|---|---|---|---|
| 40Cr | 0.37-0.44 | 0.17-0.37 | 0.50-0.80 | 0.025 max | 0.025 max | 0.80-1.10 | 0.25 min |
| SCR440 | 0.37-0.44 | 0.15-0.35 | 0.55-0.90 | 0.03 max | 0.03 max | 0.85-1.25 | 0.25 min |
| 41Cr4 | 0.38-0.45 | 0.40 max | 0.60-0.90 | 0.035 max | 0.035 max | 0.90-1.20 | / |
| 5140 | 0.38-0.43 | 0.15-0.35 | 0.70-0.90 | 0.04 max | 0.04 max | 0.70-0.90 | / |
| 530M40 | 0.36-0.44 | 0.10-0.40 | 0.60-0.90 | 0.035 max | 0.040 max | 0.90-1.20 | / |
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) (%) | Notch impact energy (Longitudinal) [J] | Notch impact energy (Transverse) [J] |
|---|---|---|---|---|---|---|
| 8 max | 1000 max | 800 min | 11 min | 9 min | 30 min | / |
| 8-20 | 900 max | 660 min | 12 min | 10 min | 35 min | 22 min |
| 20-50 | 800 max | 560 min | 14 min | 12 min | 35 min | 22 min |
Recommended Heat Treatment Temperatures
| Heat Treatment | Temperatures (°C) |
|---|---|
| Annealing | 680-720 |
| Normalizing | 840-880 |
| Austenitizing | 820-860 |
| 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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