AISI4140 4317 4340 42CrMo4 Scm440 Alloy Steel Round Bar

• Customization: Available
• Type: Alloy Steel Bar
• Standard: AISI, ASTM, DIN, JIS, GB, BS
• Model NO.: 4340
• Composition: Ferrous Steel Scrap
• Technique: Hot Rolled
• Shape: Pipe
• Surface Treatment: Polished
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
• Application: Pipe
• Elongation: 25
• Strength: 375-500
• Poisson′s Ratio: 0.25~0.33
• Certificate: ISO SGS
• OEM: Yes
• Delivery Time: 5~10 Working Days
• Yield Strength: 225
• Transport Package: Woven Bag, Wooden Box
• Specification: ISO SGS
• Trademark: Taixie
• Origin: Wuxi, Jiangsu
• HS Code: 7507120000
• Production Capacity: 10000tons/Y

Product Description

Product Description
Aisi4140 42CrMo4 scm440 alloy steel round bar

Main products: Steel round bar, steel square bar, steel flat bar

1. High fatigue strength and impact resistance after tempering

2. Good low-temperature impact toughness

3. No obvious temper brittleness

1. Basic information

1. Both end of each bar must be cut.
2. Ladle furnaced and vacuum de-gassed
3. Show Heat No. On each bar
4. Surface condition: The surface of the bar shall be free cracks, scar and wrinkles at affect the use of the billets. In case there is the above-mentioned defect. It shall be removed.
5. The mill test certificate shall show the chemical composition, and it is guranteed that the chemical composition shall be within the limit stipulated in contract.


2. Details

Grade	aisi4140 astm4140 sae4140 42CrMo,1.7225,scm440,42CrMo4
Processing	EAF+LF+VD
Commodity	steel round bar/round steel bar/round bar steel
Technique	hot rolled
Diameter	10-310mm
Length	canbe required to 3-12m
Sizes tolerance	length: +/-100mm,straightless:3mm/m
Application	1) General service industries (petroleum, food, chemical, paper, fertilizer, Fabric, aviation and nuclear) 2) Fluid, gas and oil transport 3) Pressure and heat transmission 4) Construction and ornament 5) Boiler heat exchangers
Advantages of this material	1) High fatigue strength and impact resistance after tempering 2) Good low-temperature impact toughness 3) No obvious temper brittleness
Quality Condition	1): Straightness: 3mm/m (max) 2): Corner Radius: 3(max) 3): The ends will be end cut or gas cut 4): No cracks on the surface
Packing	1): Paint oil on the surface to protect steel bars from rusting. 2): Bundle packing by Iron Strips. 3): Bundle weight is from 2mt to 3 mt. 4): Two or three tags will be attached on each bundle.
MOQ	5 tons for each sizes