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Rough Turned Forged Round Bar 42CrMo4 Qt Forged Roller Shaft
US$700.00-900.00
10 Tons
Product profile
Customization
AvailableType
RoundStandard
AISI, ASTM, DIN, JIS, GBModel NO.
forged steel barComposition
Alloy SteelTechnique
ForgedShape
BarSurface Treatment
Black /Rough Machine/Lathe Finish/Finish TurningSpecial Use
Cold Heading Steel, Mold SteelApplication
Structural Steel BarMain Grades
C45 4140/Scm440 Scm435 Scm420 4150 8620 4340 etc.Main Material
Alloy Steel Grade or Carbon GradeHeat Treatment
Qt/Normalized/AnnealedVd
YesRaw Material
Steel Ingot/Steel BloomTransport Package
Seaworthy PackagingSpecification
200mm-1000mmTrademark
ShandongOrigin
ChinaProduction Capacity
5000tonsKey features
Wide Grade Selection: Available in C45, 4140, Scm440, Scm435, Scm420, 4150, 8620, 4340, and more.
Customizable Dimensions: Round bars available from 16mm to 1000mm diameter with various supply conditions.
Flexible Heat Treatment: Options include QT, Normalized, Annealed, Hardening, and Tempering to specific temps.
Advanced Surface Finishes: Choices include Black, Rough Machine, Lathe Finish, Finish Turning, and Peeled.
Comprehensive Inspection: 100% Ultrasonic testing performed according to SEP1921-84, GR.3 CLASS C standards.
Custom Packaging: Standard seaworthy packing or customized packaging as per customer requirements.
Fast Delivery: 30 days delivery time after order confirmation, with off-peak times under 15 workdays.
Versatile Applications: Ideal for statically and dynamically stressed components in vehicles, engines, and machines.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2017-03-04Nearest Port: Qingdao port, Tianjin port, Shanghai portAverage Response Time: ≤6.18hTerms 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 grades of steel are available?
A:
We offer a wide range including C45, 4140, Scm440, Scm435, Scm420, 4150, 8620, and 4340.
Q:What are the available sizes?
A:
Round bars range from 16mm to 1000mm diameter, with specific conditions for hot rolled (16-350mm) and forged (200-1000mm) supplies.
Q:Can the heat treatment be customized?
A:
Yes, we provide options for QT, Normalized, Annealed, Hardening, and Tempering with specific temperature ranges.
Q:What surface treatments are offered?
A:
We offer Black, Rough Machine, Lathe Finish, Finish Turning, and Peeled surfaces depending on your needs.
Q:How is the product inspected?
A:
We perform 100% Ultrasonic testing according to the SEP1921-84, GR.3 CLASS C standard.
Send Inquiry
*To:
Shandong Dajin Metal Material Co., Ltd.
Shandong Dajin Metal Material Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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