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Durable Forging Steel Round Bar for Precision Machine Parts
US$700.00-900.00
10 Tons
Product profile
Customization
AvailableType
RoundStandard
AISI, ASTM, DIN, JIS, GBModel NO.
steel barComposition
Alloy Steel BarTechnique
ForgedShape
BarSurface Treatment
Black Surface or Rough MachineSpecial Use
Free Cutting Steel, Mold SteelApplication
Structural Steel BarSupply Condition
Hot Forged or QtForged Shaft
Rough MachineMain Material
Carbon or AllloyMain Grade
4140 4340 4150 4145 8620Cutting Service
YesForging Rings
YesTransport Package
Seaworth PackagingSpecification
200mm-1000mmTrademark
ShandongOrigin
ChinaProduction Capacity
2000tonsKey features
Wide Size Range: Diameter available from 16mm to 1000mm for various project scales.
High Strength Grades: Includes EN19, EN24, 4140, 4340, and 42CrMo4 for demanding applications.
Rigorous Quality Control: 100% Ultrasonic Inspection following SEP1921-84 and GR.3 CLASS C/C standards.
Customizable Supply: Options for Hot Rolled or Forged conditions with peeled, black, annealed, or QT finishes.
Versatile Applications: Ideal for crankshafts, gears, and components in vehicles, engines, and machinery.
Secure Packaging: Standard seaworthy packaging or tailored solutions based on customer requirements.
Fast Delivery: Standard delivery within 30 days after order confirmation.
Advanced Processing: Sophisticated process including EAF, LF, VD, UT, and optional heat treatment.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2017-03-04Nearest Port: Qingdao port, Tianjin port, Shanghai portAverage Response Time: ≤6.91hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, FAS, DDP, CPT, FCA, EXW
AI-Powered supplier vetting
SummaryShandong Dajin Metal Material Co., Ltd. is identified as a Chinese manufacturer/factory based in Shandong, with four production lines, stated production capacities for several steel-bar categories, and export activity across multiple regions. It holds ISO 9001 and OHSAS/OHSMS 18001 certifications and states that it can supply multiple international standards and customized steel products. The supplier reports export activity since 2017 and that exports represent 51%–70% of total sales. Evidence supports production scale, certification, customization, and international trading capability. However, the provided information does not sufficiently establish after-sales service processes, innovation capability, or financial credibility. Trade records show named buyers and shipments involving Brazil and Pakistan, but the limited transaction evidence does not establish broad or sustained customer performance.
Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and operates as Shandong Dajin Metal Material Co., Ltd., a limited company located in Shandong, China. This directly supports its status as a manufacturing supplier rather than only a trading entity.
CertificationsThe supplier reports holding ISO 9001 and OHSAS/OHSMS 18001 management-system certifications. These stated certifications provide explicit evidence of quality-management and occupational health and safety systems, although certificate validity dates and scope are not provided.
Production capacityThe supplier reports four production lines, 11–20 years of total R&D-engineer experience, 11–20 quality-control staff, and substantial stated capacities for steel bar, carbon steel round bar, and cold-drawn steel bar. It also reports ready stock of 1,000–1,500 tons for specified products and exports to multiple global regions, providing explicit evidence of meaningful production and fulfillment capability.
Customization capabilityThe supplier explicitly states that it can provide products to GB, American, German, Japanese, industry, and special steel standards and can offer customized services according to customer requirements. Its listed grades and 5 mm–300 mm size range for certain stocked products further support product configuration flexibility.
Client casesTrade records associate the supplier with named buyers in Brazil and Pakistan and show shipments involving steel-related products through Qingdao, including a recorded transaction count of one for one buyer and two for another. These records provide evidence of actual international customer transactions, but the limited number of documented cases does not establish a broad, long-term, or independently verified customer portfolio.
Product Q&A
Q:What sizes are available for the forged steel round bars?
A:
Diameter ranges from 16mm to 1000mm. Sizes 16mm-350mm are hot rolled, while 200-1000mm are forged.
Q:What are the main steel grades offered?
A:
We offer EN19, EN24, 4140, 4340, 4150, 4145, 8620, and 42CrMo4 (1.7225).
Q:What surface treatments and supply conditions are available?
A:
Options include Hot Rolled or Forged supply conditions with surfaces that are peeled, black, annealed, or Quenched and Tempered (QT).
Q:How is the quality of the steel bars ensured?
A:
We perform rigorous 100% Ultrasonic Inspection following SEP1921-84 and GR.3 CLASS C/C standards.
Q:What is the typical delivery time?
A:
Standard delivery is 30 days after order confirmation. Off-season lead time is within 15 workdays.
Send Inquiry
*To:
Shandong Dajin Metal Material Co., Ltd.
Shandong Dajin Metal Material Co., Ltd.*Content:
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