Home > Products > Plastic Mould Steel Plate / Plate bar /Round bar > grinding machine for flat surfaces 4340 Chinese export import plastic mould tool steel traders
grinding machine for flat surfaces 4340 Chinese export import plastic mould tool steel traders
- 8000 Ton / Tons per Month
- Shenzhen
- T/T
Product Details
Standard: | AISI, ASTM, GB, JIS | Grade: | 4340 | Thickness: | dia 20mm--600mm |
Place of Origin: | China | Brand Name: | Circle Four | Model Number: | 4340 |
Type: | Steel Plate | Technique: | Hot Rolled | Surface Treatment: | Coated |
Application: | Other, tool steel | Special Use: | High-strength Steel Plate | Width: | 605mm--2400mm |
Length: | 2000mm--8000mm |
Product Description
Specifications
We have our own factory .Our company is specialized in alloy steel 4340 and all kinds of steel with cost advantage .grinding machine for flat surfaces 4340 Chinese export import plastic mould tool steel traders
1. Specification:
Material: | 4340 |
Process: | EAF + LF + VD + HOT ROLLED + Heat Treatment (optional) |
Dia/Thickness: | 20mm-500m/80-600mm, or customer’s request |
Width: | 200-2300mm, or customer’s request |
Length: | 2000mm-5800mm , or customer’s request |
Heat treatment: | Normalized / Annealed / Quenched / tempered |
Delivery condition: | Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) |
Technical Data: | According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing |
Test: | Ultrasonic test according to SEP 1921-84 GR3 C/C |
Delivery time: | 7-15 days after advanced payment |
Payment: | 30% advance by TT; Balance pay before the shipment against shipping documents or irrevocable LC at sight |
2.Chemical analysis
Round bar AISI 4340
2.1. Standards: AISI 4340 8620 8640 4320 , JIS SNCM8 GB:40CrNiMoA
2.2. Specification: Dia: 80~450mm Length:2000-13000mm or as required
2.3. Process: EAF+LF+VD ( necessary) UT+ Peeled +Turned + Heat Treatment (optional)
2.4. Machine Capability
Tensile strength (N/mm2Mpa): >=980(100)
Elongation: >=12
Yield strength: >=835(85)
Hardness:( HBS 100/3000)<=269
Reduction of area:>=55
Akv(J)>=78 akv(J/cm2):>=98(10)
2.5. Chemical Composition (%):
C | Si | Mn | S | P | Cr | Ni | Cu | Mo |
0.37-0.44 | 0.17-0.37 | 0.40-0.80 | 0.025(max) | 0.025(max) | 0.60-0.90 | 1.25-1.65 | 0.025(max) | 0.15-0.25 |
2.6. Inspection: 100% Ultrasonic according to the test standards:SEP1921-84,GR.3 CLASS C/C
About us:
◊Establish: Dongguan Circle Four Metal Materials Co., Ltd. was established in 2008 has 5 years manufacturing and exporting professional experience in mould steel, special steel etc.
◊Products: We mainly manufacture more than 100 kinds of hot rolling or forging products, such as alloy structural steel, alloy tool steel, carbon structural steel, carbon tool steel, plastic mould steel, hot work steel, cold work steel, spring steel and high speed steel.
◊Capacity: 500, 000MT per year.
Any interests in our company and products, please feel free to contact us for quotation. We warmly welcome you to our factory.
Our company located in No.38XinGang Road,Xinan,Xinan,Xingnongcun,Changan Town,Dongguan City,China . Tel: 86-0769-85310228 fax 86-0769-85348866 .
Our advantage products:
tool steel | GB (Chinese) | ASTM (American) | JIS (Japanese) | DIN (German) |
Cold work | Cr12 | D3 | SKD1 | |
Cr12MoV | ||||
Cr12Mo1V1 | D2 | SKD11 | 1.2379 | |
Hot work | 5CrNiMo | L6 | SKT4 | 55NiCrMo;V6 |
5CrNiMoV | ||||
4Cr3Mo3SiV | H10A | SKD7 | 1.2885 | |
Plastic tool steel | 40Cr | 5140 | SCr440 | 1.7035 |
SWP20 | P20 | SCM4 | 1.2311 | |
SW718H | P20+Ni | 1.2738 | ||
3-4Cr13 | 420 | 1.2083 | ||
3-4Cr16Mo | 420 | SUS420 | 1.2316 | |
10Ni3MoAlCu | P21 | NAK80 | ||
Carbon steel | 48C | 1045-1055 | S45C-S55C | 1.1730 |
Our factory now equiped with large-sized Vertical sawing machines,Horizontal saw machines,Milling machines,Grinding machines,Finish milling.
We do hardness testing of processing for your needs and we also have advanced ultrasonic flaw detection equipment.
Our products have selling to:
Indonesia,Singapore,Japan,Korea,India,Malaysia,Mexico,Brazil,Denmark,Turkey,Germany,Italy,Dubai,the middle east and other regions.
Contact Us
- Dongguan Circle Four Metal Materials Co., Ltd.
- Contact nameJOEY ZHANG
- Phone086-0769-85313622
- Addresschangan Dongguan,Guangdong
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