steel round bar EN19, AISI 4140, SAE 4140, 42CrMo4, 42CrMoS4, Din 1.7225

FOB Reference Price:Get Latest Price
US $600-800 / Metric Ton | 5 Metric Ton/Metric Tons (Min. Order)
Supply Ability:
6000 Metric Ton/Metric Tons per Month
qingdao port China
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Quick Details
Steel Grade:
EN19 AISI 4140/4140H SAE 4140 42CrMo4 42CrMoS4 Din 1.7225
Dimensions: 80-650mm
Place of Origin:
Shandong, China (Mainland)
Brand Name:
laigang brand
Structural Steel Bar
Alloy Or Not:
Is Alloy
Special Use:
Free Cutting Steel
Alloy Steel Bar
50mm * 50mm-600mm *600mm
Packaging & Delivery
Packaging Details
seaworthy ply wood or as per customer's requirement
Delivery Time
Normally 30 days receiving the downpayment

steel round bar EN19, AISI 4140, SAE 4140, 42CrMo4, 42CrMoS4, Din 1.7225 

1) Alloy steel round bar Sae 4140/42crmo4/DIN 1.7225/Scm 440/GB 42crmo

2) Chemical composition: C: 0.38~0.45 Si: Max 0.40 Mn: 0.60~0.90 S: Max 0.035 P: Max 0.035 Cr: 0.90~1.20 Ni: Max 0.030 Cu: Max 0.030 Mo: 0.15~0.30

3. Process of Alloy steel round bar: EAF + LF + VD + Heat Treatment (optional)

4. Delivery condition of Alloy steel round bar: Hot-rolled, black surface

5. Technical Data: According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing

7. Test of Alloy steel round bar: Ultrasonic test according to SEP 1921-84 3C/c

8. Material details will be as per agreed technical specifications

9. Certificate of Quality: Issued in English, in addition the normal terms, production process, the mechanical property (yield strength, tensile strength, elongation and hardness), forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the Certificate of Quality.

10. Marking of Alloy steel round bar: Heat No. Will be cold stamped and Steel grade, diameter (mm), length (mm), and the manufacturer LOGO and weight (kg) is painted.

Product description:

Step Shaft JS-700        Tube JS-700        Pie-shaped JS-700        Ring JS-700         Module Large valves of the main JS-700         Other Profiled forgings JS-700      

Special Steel classification:

Stainless steel, Hi-Steel HSLA-80, Mould steel,  Heat resistant steel, Tool steel, Ball bearing steel,Spring steel,  Alloy steel,  Construction steel,  Die steel, High-speed steel,  angles, channels, H steel, I-beams, welded pipes, seamless tubes,

Our products meet Chinese GB, Japanese JIS, US ASTM, UK BS, EU DIN standards and so on.

Our advantages:

Our advantages such as advanced management and operation concepts, suitable work facilities, highly qualified talents and a number of trade partners who have long-term and close cooperation with us have ensured us to provide global customers with competitive high-quality commodities and excellent services, quickly, accurately, conveniently and completely.

Products Introduction:


Round bar:
Diameter : 1mm-2000mm

Square bar:
Size:  50mm * 50mm-600mm *600mm

Plate steel/flat bar:
Size: Thickness:  0.1mm-800mm Width: 10mm to 1500mm

Size: OD:  6-219mm  WT: 1-35 mm.

Cold-rolled sheet: Thickness:  2-5mm Width:1000mm Length: 2000mm

Hot-rolled sheet: Thickness:6-80mm Width: 210-610mm

Length:  We can supply any length based on the customer's requirement.

Forging/hot rolling/ extrusion of steel.

Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

Finished goods condition:  hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement

Surface conditions:  scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement

Furnaces for metallurgical processing:  electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.

Ultrasonic inspection:  100% ultrasonic inspection for any inperfections or based on the customer's requirement

Excellent service for all kinds of industries, with advantages of technologies,  equipment and price.

We serve you with our honesty,  integrity,  and professionality.