What is the average lead time?

Peak Season Lead Time: 1-3 months; Off Season Lead Time: one month.

What are the main products of the company?

Hydraulic Cylinder, Forging Roll, Forging Shaft, Forging Ring, Forging Sleeve.

Fatigue Resistant 4330V Forging Drill Pipe for Tunnel Engineering Raise Boring Drilling

Name: Fatigue Resistant 4330V Forging Drill Pipe for Tunnel Engineering Raise Boring Drilling
Brand: Jiangyin Eternal Heavy Industry Co., Ltd.
SKU: 2287448555

Jiangsu, ChinaJiangyin Eternal Heavy Industry Co., Ltd.

US$3,550.00

1 Piece

Product profile

Customization

Available

After-sales Service

Online Service

Warranty

One Year

Model NO.

4330V Forging Drill Pipe

Certification

ISO9001-2015;ISO14001-2015;ISO45001-2018

Standard

AISI, ASME, GB, ASTM

Surface Treatment

Surface Phosphating

Manufacturing Process

Forging

Material

Alloy Steel 4330V

Product Procedure

Forging,Heat Treatment,Lathe Machining

Heat Treatment

Quenching and Tempering

Hardness

HRC 30-34

Min Tensile Strength

980MPa

Min Yield Strength

835MPa

Min Impact Value

45j

Min Elongation

15%

Min Reduction of Area

45%

Service

Customized

Transport Package

Wooden Box

Specification

OD 12-7/8'', TR 10-1/2''

Trademark

ETERNAL

Origin

China

HS Code

7304512000

Production Capacity

500pieces/Month

Key features

Fatigue Resistant Material: 4330V steel with high tensile strength of 980MPa and yield strength of 835MPa.

Advanced Smelting Process: Integrated process of electric arc furnace, ladle furnace refining, and vacuum degassing.

Strict Quality Control: Includes mechanical property tests and non-destructive flaw detection on all finished products.

Customized Service: Service is customized to meet specific customer requirements for tunnel engineering.

ISO Certified Quality: Certified under ISO9001-2015, ISO14001-2015, and ISO45001-2018 standards.

Global Export Experience: Products exported to over 80 countries including USA, Europe, and South America.

One Year Warranty: Comprehensive one-year warranty coverage for all mechanical equipment.

Heavy Duty Manufacturing: 8,000 sqm workshop with 2000-ton forging press and advanced CNC facilities.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceQuality AssuranceR&D Capabilities

Jiangyin Eternal Heavy Industry Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available CertifiedExport Year: 16 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.92h CertifiedTerms of Payment: T/T, LC

AI-Powered supplier vetting

SummaryThe supplier is a limited company in Jiangyin, Jiangsu, with 58 employees and a stated business scope covering manufacturing, forgings, mining machinery, general equipment, machine parts, and related sales. Its offered products are hydraulic cylinders and forging shafts. It reports broad customization and ODM capabilities, recent new-product development, and one production line with stated output for steel mill rolls and hydraulic cylinders. Quality inspection instructions are documented and uniformly followed. However, it has no in-stock capacity, overseas warehouse, overseas showroom, overseas agents or branches, and reports no offline trade-show participation. No certification information or customer cases are provided. Financial records are referenced for 2021–2023, but the slices do not provide sufficient financial performance evidence for a credibility assessment. The supplier’s stated status as a trading company, combined with manufacturing-related scope and valid contracts with associated...

After-Sales capabilityThe supplier reports no overseas warehouse, overseas showroom, overseas agents or branches, and offers services in zero overseas countries. These stated limitations indicate weak international after-sales infrastructure, although no complete after-sales policy or response capability is provided.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and supports customization from samples and designs through full customization. However, total R&D engineer experience is reported as below five years and no SDK is available, so the evidence supports product-development capability but not a complete advanced-innovation assessment.

Production capacityThe supplier lists extensive equipment, one production line, stated annual outputs of 10,000 tons for steel mill rolls and 3,000 tons for hydraulic cylinders, and valid contracts with each associated subcontractor. It also has 15 qualified service-capability suppliers and written assessment procedures, although it reports no inventory capacity and the lead-time entry is unclear.

Customization capabilityBoth R&D and design-service records explicitly list customization from samples, customization from designs, minor customization, flexible customization, and full customization. This is direct evidence of broad customization coverage.

Product Q&A

Q:Who are we?

We are based in Jiangsu, China, start from 2008, sell to Domestic Market (36.00%), Eastern Europe (21.00%), Southeast Asia (16.00%), South America (12.00%), North America (9.00%), Northern Europe (4.00%), South Asia (2.00%). There are total about 51-100 people in our office.

Q:How can we guarantee quality?

We have complete production equipments. All processing procedures are completed with strict quality control throughout the entire process.

Q:What can you buy from us?

Raise boring reamer heads, roller cutters, reamer stem bars, stabilizers, drill pipes, etc.

Q:Why should you buy from us not from other suppliers?

We have rich experience on forging and heat treatment.

Q:What services can we provide?

Accepted Delivery Terms: FOB, CFR, CIF, EXW, FAS, CIP, FCA, CPT, DEQ, DDP, DDU, Express Delivery, DAF, DES; Accepted Payment Currency: USD, EUR, CNY; Accepted Payment Type: T/T, L/C, D/P D/A, Western Union; Language Spoken: English, Chinese, Portuguese, Russian