5120 Alloy Steel Round Bar
5120 Alloy Steel Round Bar
Article | ASTM 1320, AISI 4140, AISI 1045, SCM420 etc. bars |
Grade | ASTM 1320, AISI 4140, AISI 1045, SCM420 etc. As customized |
Size | 80-800mm |
Length | 5.8-6m fixed length or as customized |
Quality assurance | Ultrasonic test, mill test certificate |
Delivery time | 30 days |
Packing | In bundles, seaworthy packing |
Remark | Electric furnace + LF + VD, ESR is available |
Product Pictures
Aplication
locomotive industry | ship making industry |
oil industry | machining industry |
chemical engineering industry | electric power industry |
automobile industry | coal feeder industry |
aviation industry | space flight industry |
national defense construction |
|
Chemical composition (%)
Grade | C | Si | Mn | Cr | Mo |
42CrMo | 0.38~0.45 | 0.17~0.37 | 0.50~0.80 | 0.90~1.20 | 0.15~0.25 |
20CrMo | 0.17~0.24 | 0.17~0.37 | 0.40~0.70 | 0.80~1.10 | 0.15~0.25 |
Processing
Electric arc furnace melting→refining furnace→vacuum treatment furnace→
→cast ingot→steel ingot anneal→ heating → high-speed forging, refining
forging→annel,retarded cooling,air cooling→quenching and tempering
treatment→finishing operation→test→finished products
Our Factory
5120 Alloy Steel Round Bar
Our Package
5120 Alloy Steel Round Bar
FAQ
1. How do we control quality?
a) Pay attention to adaptation for manufacture process
b) Approval report for shipment
c) Third party inspection is accepted
d) Keeping quality guarantee for a long periode) Guaranteeing quality inspection of each product before assembly and packing.
f) Comply with ISO 9001
2. Are we a factory or a trading company?
We are a factory manufacturing and exporting stainless steel boat accessories, shade sail accessories, ground screws, etc. for over 20 years and our products have enjoyed great popularity. We also act as a warehouse & distributor through our network.
3. What are our advantages over others?
a) WBQ’s own R&D center could make the clients' ideas to be actual products with support from related engineers from different fields.
b) Producing and designing forging, casting and stamping parts has made WBQ in a strong position in the OEM and ODM market.
c) WBQ’s core business is to help the overseas clients to get high quality products with fair price in China.
d) Any request from the clients would be treated carefully by our experienced staff, the quality of any order would be highly controlled by our skilled engineers.
e) WBQ’s teams would like to welcome clients from home and abroad to work for the win-win situation and reach our target: Making Business More Fun!
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