Alloy Hot Rolled Steel Round Bar 38CrMoAl DIN 1.8509 41CrAlMo7-10 130mm
Brand Name:MITTEL TISCO BAO STEEL
Certification:SGS ISO MTC
Model Number:38Crmoal DIN 1.8509
Minimum Order Quantity:300KGS
Delivery Time:7 Days
Payment Terms:L/C, T/T
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Verified Supplier
Location:
Wuxi Jiangsu China
Address:
NO.288,YOUYI ROAD ,XI SHAN DISTRICT,WUXI CITY,CHINA
Supplier`s last login times:
within 48 hours
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Product Details
Product introduction
38CrMoAl hot rolled steel round bars information
A Small Story of 38CrMoAl Special Alloy Steel Round Bar. 38CrMoAl
is a nitrided Alloy Steel with high wear resistance, high fatigue
strength and high strength. It is mainly used for nitrided parts
with precise dimensions after heat treatment, or various nitrided
parts with low impact load and high wear resistance
It is mainly used for nitrided parts with precise dimensions after
heat treatment, or various nitrided parts with low impact load and
high wear resistance. Such as boring bar, grinding machine spindle,
automatic lathe spindle, worm, precision screw, precision gear. And
also such as High-pressure valves, valve stems, gauges, templates,
rollers, replicas, cylinder blocks, compressor piston rods,
governors on steam turbines, rotating sleeves, fixing sleeves,
various wear-resistant parts on rubber and plastic extruders, etc.
Chemical and Mechanical
38CrMoAl steel chemical composition:
| Materail | Chemical Composition % | ||||||
| C | Si | Mn | S/P | AL | Cr | Mo | |
| 38CrMoAl | 0.35-0.42 | 0.20-0.45 | 0.30-0.60 | 0.030 max | 0.70-1.10 | 0.80-1.10 | 0.15-0.25 |
38CrMoAl steel mechanical properties:
| Mechanical Properties | ||||
| Yield Strength (MPa) | Tensile Strength (MPa) | Elongation | Reduction of area | |
| 980 min | 830 min | 12% min | 50% min | |
The order delivery condition as follow :
–1.Hot Rolled；;Black Surface
–2.Hardness:160~260HB
–3.Length:4000~6000mm
–4.UT-SEP 1921C/C or Better
–5.Chmical Analyzed 38CrMoAl ( or 1.8509 )
–6.Fix Diameter ( Accept the tolerance -/+1.5mm)
–7.SGS or other third party inspection under buyer‘s arrangement
As we prepared the goods ,and informed customer to arrange third party inspeaction .
Order inspector of 38CrMoAl Alloy Steel Round bar .
The customer arrange AGS test for the goods . (test the Diameter /
Length / Qty (PC) and weight before loading by container )
And there is feedback of the test is ” Uncceptable “for the goods .
Test feedback as follow :
1.The inspection result was failed due to there was rusty mark on
almost all the products
2.There was no scale provided for unit weight check;
3.The actual material on labels was “38CrMoALA” not conformed to
the client spec “38CrMoAl”
4.For the diameter check, for item 3-75×6000-7500mm, the actual
diameter was 73mm. For item 4-80×6000-7500mm, the actual diameter
was 78mm .For item 5-85×6000-7500mm, the actual diameter was 83mm.
For hardness check, material strength test, stainless steel
material check, chemical composition analysis, there was no
equipment or testing report provided on site.so customer accept our
QC’s material test report .
After our QC feedback for the test process of inspector,the inspector did not do the steel test before ,and there without some mistake of the test way .
Warehouse Storage
Mittel is located in the beautiful Wuxi City Near Shanghai . With the continuous development of business, the company's business scope continues to expand. The company has a group of professional sales staff to provide customers with high-quality services. The company is committed to providing customers with high-quality, low-cost steel products. We have won the trust and praise of our customers with our commitment and quality-oriented service concept.
TRIDING TREATMENT
The process flow of nitriding parts is generally: forging → normalizing (annealing) → rough machining → tempering and tempering → finishing machining → de-stress → fine grinding → nitriding → fine grinding → assembly.
The purpose of 38CrMoAl nitriding treatment is mainly for wear resistance.After nitriding, its hardness is as high as HV800, the hardened layer can reach 0.30mm ~ 0.5mm.
APPLICATION
38CrMoAl is mainly used in the manufacture of parts with precise size, requiring high wear resistance and fatigue strength, and not subjected to large impact load, such as cylinder liner, bottom sleeve, gear, bolts, shaft and rotor, etc.
In addition, because Al and Cr elements can form a dense passivation film on the surface of steel, so 38CrMoAl is also a kind of seawater corrosion resistant steel.Its seamless steel pipe is the most ideal pipeline and processing material for transporting water, oil and gas and seawater containing medium in coastal power plants, coastal oil fields, coastal natural gas and petrochemical plants.
Alloy Hot Rolled Steel Round Bar 38CrMoAl DIN 1.8509 41CrAlMo7-10 130mm
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