4140 Forged Steel Round Bar/Scm440 Steel Round Bars/42CrMo4 Alloy Structrual Steel Bars/4140 Steel Rod

• Customization: Available
• Type: Alloy Steel Bar
• Standard: AISI, ASTM, GB, JIS, DIN, BS
• Model NO.: 4140/42CrMo4/1.7225/Scm440/42CrMo
• Technique: Hot Rolled/Forged
• Application: Structural Steel Bar, Tool Steel Bar, Die Steel Bar
• Surface Treatment: Back Surface or Machined Surface
• Alloy: Non-alloy
• Special Use: Mold Steel, Alloy Structural Steel
• Transport Package: Nude Packing or as Per Customer′s Requirment
• Specification: Plate: T10-1000mm*W200-2300mm, Round: Dia16-1200mm
• Trademark: ShengHe
• Origin: China
• Production Capacity: 10000ton Per Month

Product Description

4140/42CrMo4/1.7225/Scm440/42CrMo Round Bar/Forged Steel Block/Flat Bar/Steel Plate/Alloy Structural Steel 

Dimensions
Hot Rolled Round: dia.16-300 mm
Forged Round: dia.150-1200 mm
Cold Drawn Round: dia.6-30 mm
Hot Rolled Plate: 10-150 x 2000-2300 mm
Forged Block: 150-1000 x 200-1900 mm


Delivery Condition

 

EAF+LF+VD, Hot Rolled or Forged or Cold Drawn, Annealed or Q+T, Black surface or Machined surface, UT SEP1921 Class3 C/c or D/d
 

Equivalence

AISI / SAE	DIN / W.Nr	JIS	GB
4140	42CrMo4 / 42CrMoS4 / 1.7225	SCM440	42CrMo

Chemical Composition(%)

Steel Grade	C	Si	Mn	P	S	Cr	Mo
42CrMo4	0.38-0.45	≤ 0.40	0.60-0.90	≤ 0.035	≤ 0.035	0.90-1.20	0.15-0.30
1.7225
42CrMoS4	0.38-0.45	≤ 0.40	0.60-0.90	≤ 0.035	0.020-0.040	0.90-1.20	0.15-0.30
4140	0.38-0.43	0.15-0.35	0.75-1.00	≤ 0.035	≤ 0.040	0.80-1.10	0.15-0.25
SCM440	0.38-0.43	0.15-0.35	0.60-0.85	≤ 0.035	≤ 0.040	0.90-1.20	0.15-0.30
42CrMo	0.38-0.45	0.17-0.37	0.50-0.80	≤ 0.035	≤ 0.035	0.90-1.20	0.15-0.25

Characteristics
4140/SCM440/42CrMo4 is a versatile alloy with good atmospheric corrosion resistance and reasonable strength. It shows good overall combinations of strength, toughness, wear resistance and fatigue strength.

Applications
It is suitable for manufacturing large and medium-sized plastic moulds which require a certain strength and toughness, such as locomotive traction gear, supercharger transmission gear, pressure vessel gear, rear axle, connecting rod and spring clamp with maximum load, I can also be used for drilling pipe joints andsalvage tool in deep oil wells below 2000m, and moulds of bending machines

Delivery Time: 7-10 working days for steel in stock. 20-60 working days for direct production based on the quantity.

Our Independent Laboratory

In order to guarantee a uniform good quality, ShengHe perform necessary testing and inspection according to international standards and specifications.

ShengHe has its own lab with full equipments and a team of professional Q&A and Q&C engineers to do all the tests and analysis of the materials: chemical analysis, mechanical test, UT test, microstructure analysis, hardness checking, etc. The lab also provide third party inspection service.

•  Ultrasonic testing

•  Spectrographical analysis

•  Hardness testing

• Microstructure analysis

• Tensile testing

•  Impact testing

We do pre-shipment inspection on all product before shipment

Our Factory


Our Product(steel round bars, flat bars, forged blocks,precision finished mold plate)

Our loading pictures for flat steel

Our loading pictures for round steel and mold accessories

Our loading pictures and packing for precision ground mold plate

FAQ:
Q1: Are you a trading company or manufacturer?
We belongs to Wuhan Zhongye Group,we also have our own factory for steel raw material sales and machining.Apart from our own mill, we can also provide material from other mills based on customer's different requirement.

Q2:What is the major steel grade your company offer?
S50C/S55C/S45C/1.2311/718/1.2738/1.2316/1.2083/1.2312/1.2714/H13/H11/D2/D3/O1/O2/4140/4340/5140/8620/52100/M2/M35/M42, etc, in round bar, flat bar and plate, and also semi-finished or precision ground flat bars.

Q3:What service does ShengHe Metal Provide?
Apart from sales of raw materail, we do machining processing like cutting, milling, grinding, turning, peeling, drilling, CNC machining. 

Q4: What do you do to control product quality?
Before loadnig into container, all product will go through pre-shipment inspection by our professional QC group. UT test shalled be applied to steel material, according to Sep 1921 C/c,D/d,or E/e level based on different type of steel.

Q5:What is your MOQ?
Our MOQ each order is around 25 Tons(one container), customer can mix different types of steel to reach this quantity.

Q6: Can we visit your company and factory? 
Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come.