aisi 4140 hot rolled steel bar
Product Name: aisi 4140 hot rolled steel bar
Grade comparison
GB |
ASTM |
JIS |
DIN |
BS |
NF |
42crmo |
4140 |
Scm440 |
42crmo4 |
en19 |
42cd4 |
Chemical Composition
Grade |
C |
Cr |
Mo |
Si |
Mn |
P |
S |
Ni |
Cu |
Other |
≤ |
4140 |
0.38-0.45 |
0.90-1.20 |
0.15-0.25 |
0.17-0.37 |
0.50-0.80 |
0.035 |
0.035 |
0.30 |
0.30 |
- |
Machnical Properties
Tensile Strength(Mpa) |
Yield Strength(Mpa) |
Elongation |
Shrinkage |
1080 |
930 |
12 |
45 |
Processing Line:
Iron - hot metal pretreatment - Converter - RefiningVD / RH- - Continuous Casting - Hot Rolling (KOC
KS) - heat --UT Check - Processing and Distribution Center
Gas content requirements : O2 - <20 ppm H2 - <2 ppm N2- <100 ppm
Grain Size: 5-8
Tolerance
d/a(mm) |
5.5-7 |
7-20 |
20-30 |
30-50 |
50-80 |
80-110 |
110-150 |
150-190 |
190-250 |
(mm) |
+0.30
-0.30 |
+0.35
-0.35 |
+0.40
-0.40 |
+0.50
-0.50 |
+0.70
-0.70 |
+1.0
-1.0 |
+1.3
-1.3 |
+2.0
-2.0 |
+2.5
-2.5 |
Sizes information
Hot-rolled |
Cold-drawn |
Forged |
16mm-320mm |
16mm-70mm |
250mm-800mm |
11.Application
1)Can be used in many fields such as building, automobile, shipbuilding, petrochemical, machinery, medicine, food, electric power, energy, space, building and decoration, etc.
2): Can be made into mould template, mortise pin, column
3): This kind of steel have good mechanical property, is widely used in structural parts which may support stress alternation, especially made into some connecting rods, bolts, wheel gear...
4): This kind of steel is the most common blanks and materials of shaft parts.
Its die welding material model is CMC-E45.
12.Delivery condition
Hot rolled/ Forged/Cold drawn/ QT/ Peeled/ Cutting
My contact way:(Please feel free to contact me if have any need )
Contact person |
Emma Wen |
Tel |
86 18963468035 |
|
laiwuemma |
QQ |
2927591940 |
Whats app |
8618363474204 |
Email |
|
Qingdao Helio Steel Co., Ltd. Was established in March19, 2012. Our company's business staff members possess professional service capabilities of steel products, with more than a decade of experience on steel production, technology development, product sales and foreign trade. We comply the principle of friendly cooperation and mutual benefit, and persist in developing together with new and old customers.
Our company is located in Qingdao, a coastal city of Shandong Province, which is near Laiwu Steel Group. Only Laiwu City has steel production capacity of 20 million tons each year. Meanwhile, it is also the largest production base of powder metallurgy products in the whole country. Otherwise, there are more than ten well-known steel manufacturers within the province and the surrounding areas, so steel resources here is abundant and we can meet customers' various requirements.
Our company is mainly engaged in steel products for various specifications and materials, such as continuous casting billets, continuous casting tubes, hot-rolled bars, tubes, hot-rolled square steel, flat steel, H section steel, hot-rolled coils, cold-roll large-size panels, forging materials, and forgings.
We also run the import and export of steel products, based on the needs of customers at home and abroad to develop a variety of special steel products and timely delivery. I hope to sincerely cooperate with domestic and foreign customers, providing high-quality and low-priced products and professional services.
