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Ready Stock L7 Threaded Bar ASTM A193 B7 Steel Rod Quality
US$1,050.00
2 Tons
Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Standard

AISI, ASTM, GB, JIS, ASTM A193 B7 B16,ASTM A320 L7

Technique

Cold Drawn

Model NO.

round bar

Application

B7 L7 B16 Threading Rod

Surface Treatment

Polished

Alloy

Alloy

Special Use

B7 L7 B16 Studs

Raw Material Grade

4140 B16 304 316 etc.

Quality Level

B7 B8m B16 L7

Ready Stock

Yes

Factory Directly

Yes

Transport Package

Anti-Rust Pacakging

Specification

1/2''-4''

Trademark

dajin

Origin

China

Production Capacity

5000

Key features

Ready Stock Availability: In-stock items available for immediate dispatch, ensuring fast delivery for urgent orders.
ASTM A193 B7 Compliance: Meets strict ASTM A193 Grade B7 standards for high-temperature and high-pressure applications.
Thread-Rolling Optimization: Uniform grain structure and h9-h11 tolerances minimize tool wear and ensure flawless thread formation.
100% MTR Traceability: Every order includes a Mill Test Report linking chemical and mechanical properties to the specific heat number.
Q&T Heat Treatment: Quenched and Tempered process ensures uniform hardness and exceptional mechanical consistency across the bar.
Export-Ready Packaging: Professional anti-rust treatment and robust reinforced packaging protect integrity during maritime transport.
High Strength & Machinability: AISI 4140 alloy steel offers an ideal balance of tensile strength (min 125 ksi) and ease of machining.
Factory Direct Supply: Direct from manufacturer ensures competitive pricing and consistent quality control for bulk orders.

Company profile

Business Type: Manufacturer/FactoryExport Year: 2017-03-04Nearest Port: Qingdao port, Tianjin port, Shanghai portAverage Response Time: ≤10.14hTerms 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 is the material grade and standard?
A:
The product is AISI 4140 Alloy Steel compliant with ASTM A193 Grade B7 standard.
Q:Is the product available in ready stock?
A:
Yes, we offer ready stock for immediate shipment to meet urgent project requirements.
Q:What heat treatment is applied to the steel bars?
A:
The bars undergo Quenched & Tempered (Q&T) heat treatment to ensure uniform hardness and mechanical consistency.
Q:Do you provide Mill Test Reports (MTR)?
A:
Yes, every order includes a comprehensive MTR with chemical analysis and mechanical property verification for full traceability.
Q:What are the typical applications for this material?
A:
It is ideal for oil and gas fasteners, petrochemical bolts, power generation studs, and offshore marine grade fasteners.

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