SAE 4140 4145h 4130 4340 1045 Forged Steel Bar

• Customization: Available
• After-sales Service: Support
• Warranty: Support
• Model NO.: 4140 4145h 4130 4340 1045
• Technique: Hot Rolled
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Rectangular
• Product Name: Steel Plate/Coil
• Standards: ASTM, AISI, GB, JIS, DIN, BS
• Certification: ISO, RoHS, Ibr
• Payment Terms: T/T, L/C
• Package: Standard Packing
• Others: Customized
• Transport Package: by Sea
• Specification: 0.5-300mm
• Trademark: Boer King
• Origin: Tianjin China
• HS Code: 7225
• Production Capacity: 10000 Tons/Year

Product Description

Congratulations you find us the best supplier ↓
We do care: 
                   --Good Quality
                       --On-time Delivery
                          --Competitive Price
                             --Efficient After Service 
 

Why you choose us?

1. more than 20 years experiences in steel business

2. good quality

3. competitive price

4. meet your needs via reprocessing

5. excellent service

6. short delivery time

7. long mutual beneficial business cooperation

 

Product Description

Alloy Steel Round Bar 4140/Aisi 4140 Round Bar,1.7225, 4140 Round Steel Bar
1.4140 42CrMo SCM440 steel rod Chemical Composition (%):

Grade	C	Si	Mn	P	S	Cr	Mo
42CrMo4	0.38-0.45	0.17-0.37	0.40-0.70	≤0.035	≤0.035	0.90-1.20	0.15-0.25
1.7225	0.38-0.45	≤0.40	0.60-0.90	≤0.025	≤0.035	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

2.4140 alloy steel bar avaliable sizes

Commodity delivery condition	Dimensions
Hot rolled steel round bars	10mm to 350mm
Forged steel round bars	200mm to 800mm
Forged steel square block	200mm*200mm to 500mm*500mm
Forged steel flat block	(150mm to 500mm)*(200mm to 500mm)
Hot rolled and peeled or turned steel bright bars	20mm to 800mm

4.42CrMo4 steel bar delivery condition:
Hot rolled or forged, Peeled or black surface, annealed or QT.
4.4140 SCM440 steel bar applications:
Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.
5.1.7225 42CrMo4 steel round bar heat treatment:
Soft annealing: heat to 680-720°C, cool slowly.
Hardness after annealing: Max. 241 HB
Hardening: 820 - 850 °C
Normalizing temperature: 840-880°C
Tempering: 540-680°C

SCM400 4140 steel bar  inspection:

Spectral Tested, Microstructure Tested,Hardness Test,Macrostructure Test,Ultrasonic according to the test standards:SEP1921-84,GR.3 CLASS C/C

Steel bar packing situation:  

standard seaworthy packing or as customer required
8. 4140 steel bar delivery time:  
always ready stock shipped within 7days,30 days for new material
9. 42CrMo4 alloy steel bar production process:  
EAF+LF+VD ( necessary) +UT+ Peeled(optional)  +Turned (optional) + Heat Treatment (optional)

Our service

With dynamic and passionate professional sales team and technical team,Our company make great efforts to integrate China's steel resources and dedication to customers the provision of specialized steel products and services.Hope establish a good relationship with clients, growth together.

Company information 

     Tianjin Boer King Steel is a  professional  trading company and has been in steel industry for more than 15years, specializing in seamless steel pipe,oil casing/drill pipe, galvanized steel pipe, stainless steel pipe,ERW/SSAW/LSAW/ welded pipe.

      Also we sale hot and cold rolled steel coils,steel plates,galvanized steel coils, all kinds of profiles like H-beam, Angel bar,C profile etc.

      We have established long term cooperations with several famous steel manufactures all over the world, and we can offer you best quality products with competitive price which will give you an edge over your competitors.

      Besides, we offer best service all the time.We will do our best to satisfy you needs for the products. Our products have been sold in many countries and areas of the world including South America, Iran, Kenya, Israel etc, and our export volume reaches 160,000tons per year.
 
      We execute quality gurantee system ISO 9001,2008 strictly and all certicates and the third party inspection like MTC,API,ABS,ISO9001,SGS BV etc. will be provided as client's requirements.




Contact: James Wang
Tianjin Boer King Steel IMP&EXP Co.,Ltd
Add: No.602,Shuanggang Development Zone,Tianjin,300350 China.
Web: http://boerkingsteel.en.made-in-china.com