What is the surface finishing of the bolts?

The surface finishing is zinc plated with a light protective oil finish.

A193 Grade B16, A193 B16 Stud Bolt, A194 Gr. 7 Hex Nuts

Name: A193 Grade B16, A193 B16 Stud Bolt, A194 Gr. 7 Hex Nuts
Brand: HEBEI HONGCHENG PIPE FITTINGS CO., LIMITED
SKU: 2101957055

Shanghai, ChinaHEBEI HONGCHENG PIPE FITTINGS CO., LIMITED

US$0.50

100 Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Surface Finishing

Zinc Plated

Model NO.

A193 B16

Grade

Certification

ISO, CE

Customized

Steel Grade

3.6\4.6\4.8\5.6\6.8\8.8\9.8\10.9\12.9

Transport Package

Playwood Box, Wooden Case

Trademark

C&N

Origin

China

Production Capacity

100tons/Month

Key features

Custom Steel Grades: Available in various steel grades including 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, and 12.9.

High Tensile Strength: Minimum tensile strength of 760 MPa for diameters over M64 to M100.

Heat Treated Material: Made of heat-treated chromium-molybdenum-vanadium alloy steel.

Multiple Certifications: Complies with ISO and CE certification standards.

Fast Off-Season Delivery: Lead time within 15 workdays during off-peak seasons.

Complete Assembly Options: Available as assembled stud bolts with Grade 7 hex nuts and washers.

Global Export Experience: Exporting since 2005 to markets in North America, Europe, Asia, and Africa.

Company profile

Years of Export ExperienceManagement CertificationQuality AssuranceFast Delivery

HEBEI HONGCHENG PIPE FITTINGS CO., LIMITED

Shanghai, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2005-03-16Nearest Port: Tianjin, ShanghaiAverage Response Time: ≤18hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, FAS, DDP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryThe supplier is a pipe fitting and flange manufacturer and authorized dealer serving pipeline-related industries. It demonstrates broad customization, OEM and ODM services, 3D software design capability, 13 R&D engineers, and evidence of new products during the past year. Production-related evidence includes hydraulic, EDM CNC cutting, heat-treatment, material-testing, and spectrometer equipment, with documented finished-product inspection procedures. ISO9001:2015, ISO45001:2018, and ISO14001 certifications are reported. Service management procedures cover supplier assessment, corrective and preventive actions, and customer complaints. However, the supplier has no valid manufacturing-capacity contract with associated subcontractors, no overseas warehouse, showroom, agent, or branch, and no SDK. Customer references include named oil, energy, and industrial organizations, but no Fortune 500 cooperation is reported.

Supplier typeThe supplier is described as a pipe fitting and flange company that also acts as an authorized dealer, serving electric power, metallurgy, city gas, heat networks, shipbuilding, and other pipeline engineering applications. This indicates a manufacturer-led industrial supplier with distribution activity.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 management-system certificates. These explicitly demonstrate certification coverage for quality, occupational health and safety, and environmental management.

After-Sales capabilityWritten and followed procedures are reported for service-capability assessment, corrective and preventive actions, and customer complaints. The supplier also reports training and equipment installation services and lead times within 15 working days in both peak and off-season, but lacks overseas warehouses, showrooms, agents, and branches.

R&D capabilityThe supplier reports 3D software design services, ODM capability, 13 R&D engineers, and new products during the past year. It also provides multiple forms of design customization, although no SDK is available.

Production capacityProduction evidence includes hydraulic machinery, EDM CNC cutting, heat-treatment equipment, universal material testing, and direct-reading spectrometer equipment, plus uniformly followed finished-product inspection instructions. The supplier also reports in-stock capability and 10 qualified service-capability suppliers, but lacks a valid manufacturing-capacity contract with associated subcontractors.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports custom design support to ASME VIII, ASME B31.3, and ASME B31 requirements, supported by 3D design services.

Client casesThe supplier names ARAMCO, SADRA, SWCC, PDO, OQ, ADAMA, DOWL, and Sonatrach as clients or organizations whose approval it has received. It reports no Fortune 500 cooperation, so the evidence supports established industrial customer experience but not Fortune 500 coverage.