| Customization: | Available |
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| After-sales Service: | One-Stop Service |
| Warranty: | One Year |
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
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Product name |
steel round bar | |
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Size |
O.D |
8-480mm |
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Length |
1-12m |
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Standard |
AISI,ASTM,GB,DIN,BS,JIS |
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Grade |
AISI 4140, 4130, 5140, 5120 | |
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Inspection |
X-ray inspection, manual ultrasopic inspection,surface inspection,hydraulic testing |
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Technique |
Hot Rolled |
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Section Shape |
Round |
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Main Market |
Southeast Asia, Middle East, Australia,USA,South America,Africa |
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Productivity |
5000 Tons/month |
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Packing |
Standard bundle package Beveled end or as per request |
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Surface Treatment |
Black Painted or Customized all available |
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Date of Delivery |
According to The Specifications And the Quantities Of Each Contract, |
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Method of Payment |
T/T L/C |
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Method Of Delivery |
Terms According To the <INCOTERMS 2000> for International Trading |
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Remarks |
1.Payment Terms T/T, L/C |
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2.Trade Term:FOB/CFR/CIF |
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3.Minimum Quantity of Order: 2 Tons |
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4.Delivery Time:7-15 days after receipt of deposit |
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AISI 4130 Chemical composition (%)
| Item | C | Si | Mn | P | Mo | Cu | Cr | Ni | S |
| 4130 | 0.28-0.33 | 0.15-0.35 | 0.40-0.60 | ≤0.035 | 0.15-0.25 | ≤0.030 | 0.80-1.10 | ≤0.030 | ≤0.040 |
| Tensile Strength | Elongation | Yield Strength | Hardness after Hardened(HB) | 180°old Bending Test |
| ≥930MPa | ≥12% | ≥785 MPa | ≤229 | Qualified |
| C | Si | Mn | P | S | Cr | Ni | Mo | Cu | |
| 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 |
Delivery Condition:Q+T
Mechanical properties Tensile Strength σb≥1080 MPA Yield Strength σs≥930 MPA
1. More than 10 years Professional steel export service. Have own production line.
2. Advanced CNC machine.
3. Low cost&Quick Delivery&High quality.
4. Integrity, strength and quality of products recognized by the industry.
5. Most of our clients are international, the domestic well-known enterprises.
6. Has a complete scientific quality management system.
7. Can meet any requirements for all kinds of sheet metal processing with advanced equipment.
Pre-sale Service
1.Good quality + Factory price + Quick response + Reliable service
2.100% responsible for the quality:all the products are produced by our professional workman and we have a high-work-effect foreigh trade team.
3.We have enough stock and can deliver in short time.
4.Customized designs,colors,sizes and logos are welcome,responsiveness to customers' requirements.
After-sale Service:
1.We will count cheapest shipping cost and make invoice to you at once.
2.On time delivery.
3.Provide real pictures of loading container,email you the tracking NO. and help to chase the products until the goods arrive you.
4.24 hours online service,if any question,please contact us at anytime in your convenience.
Q1: How can I get a sample to check your metal work quality?
Answer: After price confirmation, you can require for samples to check our quality. We will provide you sample for free (value under USD35), as long as you afford the express freight.
Q2: How long can I expect to get the metal work sample?
Answer: After you pay the sample charges(if there is) and send us confirmed drawings, the sample will be ready for delivery in 5-7 working days. The samples will be sent to you via DHL, FedEx,UPS,TNT or EMS. It should arrive in 3-5 workdays. You can use your own express account or prepay us if you don't have any account.
Q3: What about the leading time for metal work mass production?
Answer: Honestly, it depends on the order quantity. Normally, 15 workdays to 30 workdays after your deposit if no the samples are confirmed.
Q4: What will we do if the metal work quality is not ok ?
Answer: If the quality problem is caused by our mistake, we will make replacement order for free or pay the back product charge and handling charge back to you.
More questions, please send the email to us!
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