What are the common applications for this steel?

It is suitable for machining parts requiring high rigidity, such as lead screws, polished rods, racks, and spline shafts.

What surface treatments are available?

Available surface conditions include Black, Peeled, Polished, Machined, Grinded, Turned, and Milled.

Does the supplier have stock availability?

Yes, we maintain warehouses in Wuxi and Dongguan with over 20,000 tons of ex-stock available in various sizes.

Sum43 1141/1144 Medium Carbon Cold Drawn Steel Round Bar

Name: Sum43 1141/1144 Medium Carbon Cold Drawn Steel Round Bar
Brand: HUNAN QILU INDUSTRIAL CO., LTD.
SKU: 2007691085

Hunan, ChinaHUNAN QILU INDUSTRIAL CO., LTD.

US$1,000.00-1,200.00

1 Ton

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Type

Round

Standard

AISI, ASTM, DIN, JIS, GB, BS

Model NO.

SUM43

Composition

Ferrous Steel Scrap

Technique

Forged

Shape

Bar

Surface Treatment

Polished

Special Use

Spring Steel

Application

Structural Steel Bar

Payment Term

30% Tt Deposit, Balance Against Bl Copy

Length

6000mm, 9000mm, 1200mm

Ex-Stock

Delivery Date

30 Days

Ut Standard

Sep 1921-84 D/D

Grain Size

ASTM E112

Non-Metallic Inclusiton

ASTM E45

Form

Round Bars/ Flat Bar / Blocks/ Tube

Process

Eaf+Lf+Vd+Forged+Heat Treatment(Optional)

Technology

Hot Rolled/ Forged/ Cold Drawn

Heat Treatment

Normalized;Annealed ;Quenched ;Tempered

Surface

Black; Peeled; Polished; Machined; Grinded; Turned

Test

Ensile Strength, Yield Strength, Elongation

Certificate

ISO/ Mill Certificate

Experience

15 Years Manufacturer Experience

Transport Package

Seaworthy Package

Specification

DIA 6-1200

Trademark

Qilu

Origin

China

HS Code

722840

Production Capacity

500, 000tons/Year

Key features

Enhanced Cutting Performance: Increases tool life by four times and productivity by 30% compared to 45# steel.

High Strength & Hardness: Medium carbon free-cutting steel with superior mechanical properties for rigid parts.

Wide Size Range: Round bars available in diameters from 6mm to 1200mm for diverse applications.

Flexible Surface Treatment: Options include polished, peeled, machined, grinded, turned, and black surface.

Multiple Heat Treatments: Available in normalized, annealed, quenched, and tempered conditions.

Comprehensive Testing: Includes tensile, yield, elongation, grain size, ultrasonic, and magnetic particle tests.

Global Warehouse Stock: Over 20,000 tons of ex-stock available in Wuxi and Dongguan cities.

Professional Manufacturer: 15 years experience with advanced smelting and forging equipment capacity.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceFast DeliveryLow MOQ

HUNAN QILU INDUSTRIAL CO., LTD.

Hunan, China

Business Type: Manufacturer/FactoryExport Year: 2008-06-01Nearest Port: SHANGHAI, NINGBO, QINGDAOAverage Response Time: ≤5.22hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryThe supplier is identified as HUNAN QILU INDUSTRIAL CO., LTD., a China-based limited company with conflicting classifications as both a trading company and manufacturer/factory. It has broad steel-related business activities, extensive stated export markets, self-operated import/export rights, and eight years of export experience. Customization, ODM, and OEM capabilities are explicitly reported. However, service-management documentation is absent, including supplier approval, corrective-action, and complaint-handling procedures. No in-stock, overseas warehouse, showroom, agent, or branch capability is reported. Financial records are referenced for 2021–2023, but no substantive financial performance evidence is provided. Production volumes and staffing are stated, although the supplier’s trading-company classification creates uncertainty regarding direct manufacturing capacity. No certifications or customer cases are documented.

After-Sales capabilityThe supplier reports no written procedures or records for service-capability assessment, corrective and preventive actions, or customer-complaint handling. It also reports no in-stock service, overseas warehouse, showroom, agent, or branch capability, although lead times are stated as one month in both peak and off-season periods.

R&D capabilityThe supplier reports total R&D-engineer experience of 6–10 years and offers ODM services, indicating some design and development capability. However, it has no available SDK, and the slices do not provide concrete innovation outputs, patents, or product-development records.

Production capacityThe supplier states production categories covering cold-drawn material, steel round bar, steel plate, and steel pipe, with substantial annual output figures and 11–20 quality-control staff. However, its classification as both trading company and manufacturer/factory is inconsistent, so the extent of directly controlled production capacity requires verification.

Customization capabilityFlexible customization is explicitly reported, together with ODM service availability and OEM service for popular brands. These statements provide direct evidence of customization and outsourced-brand production capability.

Product Q&A

Q:What are the main advantages of ASTM 1141 steel?

It is a high sulfur medium carbon free-cutting steel that increases tool life by four times and productivity by 30% compared to 45# steel, while offering higher strength and hardness.

Q:What sizes and shapes are available for this steel bar?

Round bars are available in diameters from 6mm to 1200mm. Other forms include plate, flat, and block with thicknesses from 6mm to 500mm and widths from 20mm to 1000mm.

Q:What heat treatment options are provided?

The steel can be supplied in various conditions including Normalized, Annealed, Quenched, and Tempered, depending on the required mechanical properties.

Q:What is the typical delivery time?

The standard delivery time is 30-45 days. During off-season, it can be within 15 workdays, while peak season lead time is about one month.

Q:What payment terms are accepted?

We accept T/T (30% deposit, balance against B/L copy), L/C, Money Gram, and PayPal.