What is the minimum order quantity?

The minimum order quantity is 100 Kgs.

What are the payment terms accepted?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

How long is the lead time for production?

The average lead time is within 15 workdays for both peak and off-peak seasons.

20# Hot Rolled Thick Wall Seamless Carbon Steel Pipe

Name: 20# Hot Rolled Thick Wall Seamless Carbon Steel Pipe
Brand: Jiangsu Changchen Materials Co., Ltd.
SKU: 2305256125

Jiangsu, ChinaJiangsu Changchen Materials Co., Ltd.

US$760.00

10 Tons

Product profile

Customization

Available

After-sales Service

Full Test Certificates

Type

Seamless

Model NO.

Seamless Pipe

Technique

Hot Rolled

Material

Carbon Steel

Surface Treatment

Black

Usage

Pipeline Transport, Boiler Pipe, Machinery Industry, Chemical Industry, Construction & Decoration

Section Shape

Round

Minimum Yield Strength

245MPa

Minimum Tensile Strength

415MPa

Working Temperature

-20℃ ~ 450℃

Pressure Resistance

Medium & High Pressure

Transport Package

International Standards

Specification

Standard Specifications or Customized

Trademark

CHANGCHENG

Origin

Jiangsu, China

Key features

Seamless Structural Integrity: Produced via hot rolling and cold drawing with no welding seam for maximum safety and pressure resistance.

Comprehensive Quality Testing: Includes Mill Test Certificates, dimensional inspection, hardness tests, and Non-Destructive Testing (NDT) for every batch.

Wide Material Grade Range: Offers Carbon, Alloy, and Heat-resistant steel grades including 20#, 45#, Q355B, 15CrMoA, 304, and 316L.

Customized Processing Services: Provides cutting, finishing, CNC turning, and customized processing based on samples or designs.

High Precision Sawing: Equipped with multiple high-speed circular saws ensuring flat end faces and precise dimensions for fast lead times.

International Standard Compliance: Products strictly comply with GB, ASTM, JIS, DIN, and EN standards with full traceability.

Stable Supply Capacity: Direct mill resources and sufficient stock guarantee stable supply for both bulk and small batch orders.

ISO and SGS Certified: Holds ISO and SGS certifications with an in-house laboratory for chemical and mechanical property testing.

Company profile

Fast DeliveryManagement CertificationR&D CapabilitiesQA/QC Inspectors

Jiangsu Changchen Materials Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 1 Year CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.95h

AI-Powered supplier vetting

SummaryChangchen operates in metal materials, special steel, forgings, powder metallurgy, metal processing machinery, and cutting services. It reports customization from samples and designs, ODM availability, recent new-product development, CAD/PS-related R&D capability, and documented R&D inputs, outputs, reviews, verification, and validation. Production-related evidence includes valid contracts with associated subcontractors, inventory capability, raw-material traceability, and 100% finished-product inspection; however, only one quality inspector is reported. The supplier states that products can meet several national and international standards, but no specific certifications are identified. Overseas support is limited: there are no overseas agents or branches, warehouses, showrooms, or stated overseas service countries. Lead time is reported as within 15 working days in both peak and off-season. Financial information is insufficient for a reliable assessment, and no customer cases are provided.

Supplier typeThe supplier’s stated business scope covers sales of metal materials and products, special steel, forgings, powder metallurgy products, recycled resources, metal-processing machinery, and metal cutting services. This supports classification as a metal-material and metal-processing supplier, although the slices do not establish a more specific legal or manufacturing classification.

R&D capabilityThe supplier reports new products during the past year, R&D responsibilities covering new-product development, design drawings, production technical support, and customer specifications, plus CAD and PS software capability. It also has auditable R&D design-input, output, review, verification, and validation documentation, although no SDK is available.

Production capacityProduction-related evidence includes sawing and cutting equipment, metal cutting and processing activities, inventory capability, valid manufacturing contracts with associated subcontractors, raw-material traceability, and 100% finished-product inspection. The reported quality-control staffing is one inspector, while supplier-management procedures have no records, so capability is supported but operational depth is limited.

Customization capabilityChangchen explicitly provides customization from samples and designs, offers ODM services, and states that customized services can be developed according to customer requirements. Its R&D role includes preparing product specifications for customer approval, providing direct evidence of customer-oriented customization capability.