How is the quality of the 316L pipes ensured?

We perform routine tests including hardness, flattening, pitting corrosion resistance, chemical analysis, PMI testing, and intergranular corrosion tests.

What surface treatments are available for the pipes?

Surface treatments include chemical spraying, electrochemical polishing, and appearance electrophoresis to enhance corrosion resistance.

316L Stainless Steel Pipe, Welded Pipe

Name: 316L Stainless Steel Pipe, Welded Pipe
Brand: HEBEI HONGCHENG PIPE FITTINGS CO., LIMITED
SKU: 2108058595

Shanghai, ChinaHEBEI HONGCHENG PIPE FITTINGS CO., LIMITED

US$7,000.00

1 Ton

Product profile

Customization

Available

Application

Chemical Industry, Oil and Gas Industry

Certification

ISO9001

Model NO.

316L Stainless Steel

Length

6m or 12m

Material

316 Stainless Steel

Outer Diameter

0.5in to 100in

Type

Smls and ERW

Wall Thickness

Sch Series

Temperature Classification

High Temperature Piping

MPa Classfication

High Pressure Piping

Cross-Section Shape

Round

Connection Type

Seamless

Transport Package

Wooden Case

Specification

ASTM

Trademark

C&N

Origin

China

Production Capacity

1000tons/Month

Key features

Superior Corrosion Resistance: High molybdenum content provides excellent resistance to pitting and crevice corrosion in chloride environments.

Low Carbon Composition: Max 0.035% carbon content prevents intergranular corrosion and ensures excellent weldability.

Wide Size Range: Available in OD 0.5in to 100in, covering seamless, ERW, and EFW pipe types.

Versatile Applications: Ideal for chemical, oil & gas, marine, and pharmaceutical industries due to acid/alkali resistance.

Strict Quality Testing: Comprehensive testing includes hardness, flattening, PMI, and intergranular corrosion checks per ASTM A312.

Multiple Standards: Complies with ASTM A312, ASME SA312, DIN 1.4404/1.4435, and other international standards.

Flexible Length Options: Available in single random, double random, or custom cut lengths as per customer requirements.

High Temperature Performance: Maintains structural integrity and corrosion resistance under high-temperature conditions.

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.

Product Q&A

Q:What is the main difference between 316L and 316 stainless steel pipes?

316L has a lower carbon content (max 0.035%) compared to 316 (max 0.08%), which significantly reduces the risk of intergranular corrosion during welding.

Q:What standards does the 316L stainless steel pipe comply with?

The pipes comply with ASTM A312, ASME SA312, DIN 1.4404, DIN 1.4435, and other international specifications for austenitic stainless steel pipes.

Q:What are the common applications for 316L stainless steel pipes?

They are widely used in chemical, petroleum, food, pharmaceutical, construction, shipbuilding, and machinery industries, especially in seawater environments.

Q:What types of 316L pipes are available?

We offer seamless pipes, ERW (Electric Resistance Welded) pipes, EFW (Electric Fusion Welded) pipes, and fabricated pipes.

Q:What is the size range for the 316L stainless steel pipes?

The outer diameter ranges from 0.5 inches to 100 inches, with various wall thicknesses (Sch Series) and lengths available.