Low Temperature Steel Welding Rods

 

 

E8015-B is a premium low-alloy steel electrode with a low-hydrogen sodium-type coating, designed for high-performance welding applications. Its unique formulation ensures exceptional strength, toughness, and resistance to hydrogen-induced cracking, making it ideal for critical welding tasks in demanding environments. Available in variants such as E8015-B2 (1%Cr-0.5%Mo) and E8015-B6 (5%Cr-0.5%Mo), this electrode caters to diverse industrial needs.

E8015-B electrodes are widely trusted in industries where weld integrity under extreme conditions is non-negotiable:

• Pressure Vessels & Piping: Perfect for welding high-pressure vessels, boilers, and pipelines in oil, gas, and chemical sectors, handling media like steam, crude oil, and corrosive fluids.
• Power Generation: Essential for welding components in thermal power plants, including turbine casings, boiler tubes, and high-temperature pipelines operating at 600°C or lower.
• Heavy Machinery: Used in manufacturing heavy equipment, such as hydraulic presses and industrial turbines, where welds must withstand heavy loads and cyclic stress.
• Structural Engineering: Applied in high-strength steel structures exposed to harsh environments, ensuring long-term stability and safety.

 

 

Property	E8015-B2 (Typical Values)	E8015-B6 (Typical Values)
Tensile Strength	≥600 MPa	≥620 MPa
Yield Strength	≥505 MPa	≥520 MPa
Elongation (%)	≥22	≥20
Impact Value(normal temperature)	≥116 J	≥100 J

 

Element	E8015-B2	E8015-B6
C	≤0.12	≤0.10
Mn	0.50-1.00	0.50-1.00
Si	≤0.50	≤0.50
Cr	0.80-1.20	4.00-6.00
Mo	0.40-0.65	0.40-0.65
S	≤0.030	≤0.030
P	≤0.030	≤0.030

 

Electrode Diameter (mm)	Welding Current (DC+) (A)	Welding Position
2.5	70-100	All positions
3.2	90-130	All positions
4.0	140-180	All positions
5.0	180-230	Flat/horizontal

• Low Hydrogen Content: The sodium-type coating minimizes hydrogen diffusion, drastically reducing the risk of cold cracking in high-strength steels.
• Superior Arc Stability: Ensures smooth arc ignition, stable combustion, and minimal spatter, resulting in clean, aesthetically pleasing welds.
• Excellent Slag Removal: Fast-freezing slag with good fluidity allows easy cleanup, even in vertical and overhead positions.
• High Temperature Resistance: Alloying elements (Cr, Mo) enhance creep resistance, making welds suitable for long-term service in elevated-temperature environments.
• Versatile Welding: Compatible with all-position welding (except 5.0mm in vertical/overhead), adapting to complex workpiece geometries.

• Storage: Keep in a dry, well-ventilated warehouse at 10-15°C with relative humidity ≤50%. Avoid direct sunlight and moisture.
• Baking: Bake at 350-400°C for 1 hour before use. Store baked electrodes in a holding oven at 100-150°C to prevent reabsorption of moisture.
• Shelf Life: 12 months from the production date under proper storage conditions.

ISO 9001:2015 Quality Management System Certified

Complies with AWS A5.5 and ASME SFA-5.5 standards

Payment Term:30% TT prepayment,70% TT before Delivery
Packing:5kg/Inner box,20Kg/Carton,1000kgs/Pallet
Production Time:Within 25days after recerving prepayment

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