We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
APPROVED VENDOR Alloy Steel Rectangular Bar: 1 in Thick, 0 in/-0.005 in, 3 in x 4 in Nominal Size (WxL) - High-Strength 4140 Alloy Steel Flat Bars
APPROVED VENDORHigh-Strength 4140 Alloy Steel Flat Bars

APPROVED VENDOR Alloy Steel Rectangular Bar: 1 in Thick, 0 in/-0.005 in, 3 in x 4 in Nominal Size (WxL)

APPROVED VENDOR Alloy Steel Rectangular Bar is a High-Strength 4140 Alloy Steel Flat Bar, cold rolled with a thickness tolerance of 0 in/-0.005 in and nominal size of 3 in x 4 in. It is heat treatable and includes a…

SKU 3G-OTH-591119

Brand
APPROVED VENDOR
Item
Alloy Steel Rectangular Bar: 1 in Thick, 0 in/-0.005 in, 3 in x 4 in Nominal Size
Category
High-Strength 4140 Alloy Steel Flat Bars
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
40F1X4-3
Type
0 in/-0.005 in, Cold Rolled
Fabrication
Cold Rolled
Heat Treatable
Heat Treatable
Nominal Size (WxL)
3 in x 4 in
Thickness Tolerance
0 in/-0.005 in
Certifications Included
Material Certificate with Lot Number
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

APPROVED VENDOR Alloy Steel Rectangular Bar is a High-Strength 4140 Alloy Steel Flat Bar, cold rolled with a thickness tolerance of 0 in/-0.005 in and nominal size of 3 in x 4 in. It is heat treatable and includes a Material Certificate with Lot Number (MPN 40F1X4-3).

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is APPROVED VENDOR Alloy Steel Rectangular Bar used for?

This High-Strength 4140 Alloy Steel Flat Bar is used in industrial machining, tooling, and structural applications requiring heat-treatable steel with tight thickness tolerance. 3G Electric supplies this cold-rolled bar across 14 industrial departments, including machining and material handling.

What are the specifications of APPROVED VENDOR 40F1X4-3?

The APPROVED VENDOR Alloy Steel Rectangular Bar is cold rolled, heat treatable, with a thickness tolerance of 0 in/-0.005 in and nominal size of 3 in x 4 in. It includes a Material Certificate with Lot Number. 3G Electric sources this 4140 alloy steel bar for global delivery.

Where to buy APPROVED VENDOR Alloy Steel Rectangular Bar worldwide?

3G Electric supplies the APPROVED VENDOR Alloy Steel Rectangular Bar worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source this cold-rolled 4140 bar with material certification and deliver to your facility.

How to select the right alloy steel rectangular bar for heat treating?

Select a heat-treatable grade like 4140 alloy steel with a tight thickness tolerance, such as 0 in/-0.005 in, to ensure dimensional stability after hardening. 3G Electric provides material certificates with lot numbers for traceability, supporting consistent heat-treat results across applications.

Used in

Common applications for APPROVED VENDOR
Laboratory sampling — APPROVED VENDOR clear wide mouth glass bottles for collecting and storing liquid samples in non-sterile environments.
Steam heating maintenance — APPROVED VENDOR forged brass radiator valves for regulating steam flow in commercial building heating systems.
High-pressure cleaning — APPROVED VENDOR turbo spray nozzles for pressure washers used in industrial equipment cleaning up to 6,000 psi.
Cleanroom operations — APPROVED VENDOR vinyl task chairs for seating in ISO 5 classified manufacturing or assembly areas.
General sealing — APPROVED VENDOR natural rubber stoppers for closing laboratory flasks or test tubes in educational or research settings.
Tamper-evident security — APPROVED VENDOR brass lead and wire seals for securing utility meters, cargo containers, or access panels.

APPROVED VENDOR Products

3G Electric supplies APPROVED VENDOR high-strength 4140 alloy steel flat bars. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from APPROVED VENDOR

View all APPROVED VENDOR parts →
Alloy Steel Square Bar: 3.5 in Thick, 0 in/-0.008 in, 3 1/2 in x 24 in Nominal Size (WxL), Mill (MPN 40S3.5-24). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.008 in; Certifications Included: Material Certificate with Lot Number.
APPROVED VENDOR
Alloy Steel Square Bar: 3.5 in Thick, 0 in/-0.008 in, 3 1/2 in x 24 in Nominal Size (WxL), Mill (MPN 40S3.5-24). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.008 in; Certifications Included: Material Certificate with Lot Number.
Alloy Steel Rectangular Bar: 0.5 in Thick, 0 in/-0.007 in, 1 in x 12 in Nominal Size (WxL), Mill (MPN 40F.5X1-12). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.007 in; Certifications Included: No Certificates Included.
APPROVED VENDOR
Alloy Steel Rectangular Bar: 0.5 in Thick, 0 in/-0.007 in, 1 in x 12 in Nominal Size (WxL), Mill (MPN 40F.5X1-12). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.007 in; Certifications Included: No Certificates Included.
Alloy Steel Square Bar: 1 in Thick, 0 in/-0.005 in, 1 in x 24 in Nominal Size (WxL), Cold Rolled (MPN 40S1-24). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.005 in; Certifications Included: No Certificates Included.
APPROVED VENDOR
Alloy Steel Square Bar: 1 in Thick, 0 in/-0.005 in, 1 in x 24 in Nominal Size (WxL), Cold Rolled (MPN 40S1-24). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.005 in; Certifications Included: No Certificates Included.
Alloy Steel Square Bar: 2.75 in Thick, 0 in/-0.006 in, 2 3/4 in x 6 ft Nominal Size (WxL), Mill (MPN 40S2.75-72). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.006 in; Certifications Included: Material Certificate with Lot Number.
APPROVED VENDOR
Alloy Steel Square Bar: 2.75 in Thick, 0 in/-0.006 in, 2 3/4 in x 6 ft Nominal Size (WxL), Mill (MPN 40S2.75-72). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.006 in; Certifications Included: Material Certificate with Lot Number.
Alloy Steel Rectangular Bar: 0.5 in Thick, 0 in/-0.007 in, 3 in x 12 in Nominal Size (WxL), Mill (MPN 40F.5X3-12). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.007 in; Certifications Included: Material Certificate with Lot Number.
APPROVED VENDOR
Alloy Steel Rectangular Bar: 0.5 in Thick, 0 in/-0.007 in, 3 in x 12 in Nominal Size (WxL), Mill (MPN 40F.5X3-12). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.007 in; Certifications Included: Material Certificate with Lot Number.
Alloy Steel Rectangular Bar: 0.75 in Thick, 0 in/-0.007 in, 2 in x 36 in Nominal Size (WxL), Mill (MPN 40F.75X2-36). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.007 in; Certifications Included: Material Certificate with Lot Number.
APPROVED VENDOR
Alloy Steel Rectangular Bar: 0.75 in Thick, 0 in/-0.007 in, 2 in x 36 in Nominal Size (WxL), Mill (MPN 40F.75X2-36). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.007 in; Certifications Included: Material Certificate with Lot Number.
Alloy Steel Flat Bar: 0.625 in Thick, -0.01 in/-0.04 in, 2 in x 12 in Nominal Size (WxL), Cold Drawn (MPN 40f.625x2-12). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Drawn; Heat Treatable: Heat Treatable; Thickness Tolerance: -0.01 in/-0.04 in; Certifications Included: Material Certificate with Lot Number.
APPROVED VENDOR
Alloy Steel Flat Bar: 0.625 in Thick, -0.01 in/-0.04 in, 2 in x 12 in Nominal Size (WxL), Cold Drawn (MPN 40f.625x2-12). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Drawn; Heat Treatable: Heat Treatable; Thickness Tolerance: -0.01 in/-0.04 in; Certifications Included: Material Certificate with Lot Number.
Alloy Steel Square Bar: 1.38 in Thick, 0 in/-0.005 in, 1 3/8 in x 6 ft Nominal Size (WxL), Mill (MPN 40S1.375-72). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.005 in; Certifications Included: Material Certificate with Lot Number.
APPROVED VENDOR
Alloy Steel Square Bar: 1.38 in Thick, 0 in/-0.005 in, 1 3/8 in x 6 ft Nominal Size (WxL), Mill (MPN 40S1.375-72). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.005 in; Certifications Included: Material Certificate with Lot Number.