Import Astm A193 Stud Bolt — Buy in wholesale FOB from Supplier in China
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ASTM A193 Stud Bolt
These ASTM A193 stud bolts are high-strength fastening components designed for critical applications in oil and gas pipelines, petrochemical plants and power generation facilities. Manufactured by Ningbo Yongbiao International Business Co., Ltd in Zhejiang, China, they are available in grades B7, B7M, B8, B8M and B16, meeting the ASTM A193 specification for high-temperature and high-pressure environments. The bolts are produced from stainless steel (304/316) or carbon alloy steel, with finishes including black, zinc, HDG, PTFE, YZN and plain.
The material selection for each grade aligns with industry standards: B7 and B7M are carbon alloy steel with a typical tensile strength of 105 ksi (724 MPa), while B8 and B8M are 304/316 stainless steel with a typical tensile strength of 75 ksi (517 MPa). B16 grade uses chromium-molybdenum steel for elevated temperature service. Thread sizes range from 1/2"-13 to 4"-8, with lengths up to 50 inches, and are manufactured to ASME B1.1 or ISO 724 thread standards typical for industrial fasteners.
These stud bolts are exported globally for use in flanges, valves and pressure vessels where reliable performance under extreme conditions is non-negotiable. The supplier offers free samples for stocked sizes and custom packaging options, including carton sizes of 36x24x16 cm or 36x24x12 cm and standard Euro pallets (110x80x90 cm). Lead times are typically 7 to 15 working days, depending on order quantity, with shipments dispatched from Ningbo port.
| Standard | ASTM A193 |
| Grades | B7, B7M, B8, B8M, B16 |
| Material | Stainless Steel 304/316, Carbon Alloy Steel |
| Tensile Strength (B7/B7M) | 105 ksi (724 MPa) typical |
| Tensile Strength (B8/B8M) | 75 ksi (517 MPa) typical |
| Thread Standard | ASME B1.1 or ISO 724 typical |
| Size Range | 1/2"-13 to 4"-8, lengths up to 50" |
| Finishes | Black, Zinc, HDG, PTFE, YZN, Plain |
| Packaging | Carton: 36x24x16 cm or 36x24x12 cm; Pallet: 110x80x90 cm (Euro Pallet) |
| Port of Shipment | Ningbo, China |
Ningbo Yongbiao International Business Co., Ltd is based in Jiulonghu Town, Zhenhai District, Ningbo, China, specializing in the production and export of industrial fasteners. The company manufactures a broad selection of high-strength bolts, including ASTM A193 stud bolts, catering to sectors such as oil and gas, petrochemicals and power generation. Their product portfolio includes custom sizes and finishes, with a focus on meeting international standards for critical applications.
The supplier operates with a harbor trust tier and offers free samples for stocked items, allowing buyers to verify quality before committing to larger orders. Their packaging solutions are tailored to customer requirements, with standard carton and pallet dimensions designed for efficient shipping. Lead times are communicated upfront, typically ranging from 7 to 15 working days, depending on the order’s complexity and volume.
ASTM A193 stud bolts are high-strength fastening components widely used in oil and gas pipelines, petrochemical plants, and power generation facilities. Available in grades B7, B7M, B8, B8M, and B16, these bolts meet ASTM A193 specifications and are manufactured from stainless steel or carbon alloy steel. Exported from China, they are essential for high-temperature and high-pressure applications in industrial infrastructure projects worldwide.
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Sourcing ASTM A193 Stud Bolt from Ningbo Yongbiao International Business Co., Ltd - China Import Guide
Before ordering, confirm the exact grade and material composition of the stud bolts, as these determine their suitability for high-temperature, high-pressure or corrosive environments. Request Material Test Reports (MTRs) to verify compliance with ASTM A193 specifications, including chemical analysis and mechanical properties. Ensure the supplier can provide certifications for the heat treatment and testing processes used, as these are critical for traceability.
Clarify packaging and labeling requirements to match your inventory and handling systems, and confirm whether the supplier can accommodate custom marking (e.g., grade, lot number, or heat code) on the bolts. Discuss Incoterms such as FOB Ningbo or CIF to your destination port, and agree on payment terms like T/T 30% deposit with 70% balance before shipment. Lead times should be confirmed in writing, with provisions for expedited shipping if project deadlines are tight.
Upon receipt, conduct dimensional inspections to verify thread pitch, diameter and length against the purchase order specifications. Use a thread gauge to check compliance with ASME B1.1 or ISO 724 standards, and perform a visual inspection for surface defects or coating inconsistencies. For critical applications, consider third-party inspection or witness testing to validate the bolts’ mechanical properties before installation.
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30 suppliersBuy Astm A193 Stud Bolt in Bulk — Verified Supplier in China
When sourcing Astm A193 Stud Bolt for your business, securing the right balance of quality and cost is essential. Ningbo Yongbiao International Business Co., Ltd, a verified supplier based in China, offers this product with key specifications including B7, B7M, B8, B8M, B16 (ASTM A193), Stainless Steel (304/316) or Carbon Alloy Steel with chromium-molybdenum content for high-temperature service, and 1/2" to 4" diameter; 3" to 24" length; full-thread or partial-thread options available. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $0.05/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7318.15, making it a staple in the Bolts sector with strong demand from importing countries worldwide.
Astm A193 Stud Bolt Specifications, Trade Terms & Pricing
Importing Astm A193 Stud Bolt requires careful attention to shipping logistics, customs compliance, and secure payment terms. Ningbo Yongbiao International Business Co., Ltd offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 7318.15 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading online B2B marketplace designed to make cross-border trade secure and efficient.
About Ningbo Yongbiao International Business Co., Ltd — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Astm A193 Stud Bolt has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Bolts category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Import Astm A193 Stud Bolt — Shipping, Logistics & Customs
Importing Astm A193 Stud Bolt requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 7318.15 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Astm A193 Stud Bolt
What is the wholesale price of Astm A193 Stud Bolt?
The current listed wholesale price for Astm A193 Stud Bolt from Ningbo Yongbiao International Business Co., Ltd is $0.05/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Ningbo Yongbiao International Business Co., Ltd through EximNext.
What is the Minimum Order Quantity (MOQ) for Astm A193 Stud Bolt?
The supplier, Ningbo Yongbiao International Business Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Astm A193 Stud Bolt. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Astm A193 Stud Bolt?
For international shipping and customs clearance, Astm A193 Stud Bolt is classified under HS Code 7318.15. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Astm A193 Stud Bolt from China?
To import Astm A193 Stud Bolt from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Ningbo Yongbiao International Business Co., Ltd. Ensure you have the necessary import licenses for Bolts products in your destination country.
Is Ningbo Yongbiao International Business Co., Ltd a verified supplier?
Yes, Ningbo Yongbiao International Business Co., Ltd is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Astm A193 Stud Bolt?
The key specifications for Astm A193 Stud Bolt supplied by Ningbo Yongbiao International Business Co., Ltd include B7, B7M, B8, B8M, B16 (ASTM A193), Stainless Steel (304/316) or Carbon Alloy Steel with chromium-molybdenum content for high-temperature service, and 1/2" to 4" diameter; 3" to 24" length; full-thread or partial-thread options available. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Astm A193 Stud Bolt?
Ningbo Yongbiao International Business Co., Ltd offers Astm A193 Stud Bolt with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Astm A193 Stud Bolt the most?
Astm A193 Stud Bolt is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Ningbo Yongbiao International Business Co., Ltd through our platform.
What certifications does this Astm A193 Stud Bolt supplier hold?
Ningbo Yongbiao International Business Co., Ltd maintains international quality certifications. These ensure that the Astm A193 Stud Bolt meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Astm A193 Stud Bolt on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Ningbo Yongbiao International Business Co., Ltd will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Ningbo Yongbiao International Business Co., Ltd.
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