What are the payment terms?

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

What is the lead time for production?

The average lead time is one month for both peak and off-season periods.

What are the key features of 4140 steel?

Features include high strength, toughness, deep hardening capability, good weldability, and excellent impact absorption.

AISI 4140 Quenched & Tempered Qt Steel Round Bar

Name: AISI 4140 Quenched & Tempered Qt Steel Round Bar
Brand: Laiwu Xincheng Metal Co., Ltd.
SKU: 1901582772

Shandong, ChinaLaiwu Xincheng Metal Co., Ltd.

US$700.00

5 Tons

Product profile

Customization

Available

Type

Alloy Steel Bar

Standard

AISI, ASTM, GB, JIS, DIN, BS

Model NO.

AISI 4140 quenched & tempered qt steel round bar

Technique

Q&T (Quenched & Tempered)

Application

Structural Steel Bar, Tool Steel Bar, Die Steel Bar

Alloy

Special Use

Mold Steel, Free Cutting Steel, Cold Heading Steel

Products

Qt Steel Round Bars

Processing

Quenched and Tempered

Grade

AISI 4140 Scm440 42CrMo4 En19

Transport Package

Standard Export Packing

Specification

M12-M1000

Trademark

Laiwu Xincheng

Origin

China

HS Code

72283090

Production Capacity

3000tons/Month

Key features

High Strength & Toughness: Yield strength 930MPa min, Tensile strength 1080MPa min, excellent impact absorption.

Versatile Processing Options: Available in hot rolled, cold drawn, peeled, turned, ground, annealed, and normalized conditions.

Wide Size Range: Diameter ranges from M10 to M1000 depending on delivery condition and processing method.

Excellent Machinability: Easy to process under heat treatment conditions with great machining performance and nice appearance.

Multi-Standard Compliance: Meets AISI, ASTM, GB, JIS, DIN, BS standards with equivalents like 42CrMo4 and SCM440.

Broad Application Scope: Ideal for shafts, bolts, CNC machines, molds, and high-stress structural components.

Heat Treatment Response: Reacts well in heat treatment with good hardenability and less tempering brittleness tendency.

Global Supply Capability: Export to North America, Europe, Asia, etc., with flexible payment terms and FOB/CFR/CIF options.

Company profile

Laiwu Xincheng Metal Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2018-11-27Nearest Port: Qingdao,China, Shanghai,ChinaAverage Response Time: >24hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, FCA, EXW

AI-Powered supplier vetting

SummaryLaiwu Xincheng Metal Co., Ltd. is a China-based limited company in Shandong, identified as both a trading company and manufacturer/factory. It produces and exports steel products including round bars, square bars, slotted angle bars, cold-drawn bars, heat-treated bars, and threaded rods. The supplier reports multiple management-system certifications and operates more than 10 production lines, with stated output for several product categories. Its export activity is substantial by share of sales, began in 2018, and covers multiple global regions. Evidence also indicates a small R&D and quality-control workforce, a stated market-oriented innovation approach, and several buyer-linked trade records. However, the provided information does not sufficiently establish after-sales service processes, financial credibility, or proven customization performance.

Supplier typeThe supplier is explicitly identified as both a Trading Company and Manufacturer/Factory. Its business description states that it integrates research, design, development, manufacturing, and sales, indicating a combined manufacturing and trading model.

CertificationsThe supplier lists QHSE, OHSAS/OHSMS 18001, ISO 9000, ISO 14001, ISO 9001, and ASME certifications. These stated certifications provide explicit evidence of formal quality, environmental, occupational-safety, and sector-related management credentials.

Production capacityThe supplier reports operating more than 10 production lines and provides stated output for slotted angle bars, Q&T steel round bars, cold-drawn steel bars, and threaded rods. These explicit production-line and output records support meaningful manufacturing capacity.

Client casesThe supplier reports exports to more than 30 countries and regions, and trade records link it with buyers including METALLIED and FIT TIGHT FASTENERS LIMITED for alloy, cold-drawn, and hot-rolled steel bars. These records provide evidence of international customer activity, although the number of documented transactions is limited in the slices.