GJ-E81T1-Ni1C

Flux Cored Welding Wire GJ-E81T1-Ni1C

CO2 Gas-Shielded Flux-Cored Wire
(1Ni low-temperature low-alloy steel)

AWS A5.29 E81T1-Ni1C
EN ISO 17632-A-T52 2 P C1 1Ni1

Product description

GJ-E81T1-Ni1C is a 1% nickel alloyed flux-cored wire strictly complying with AWS A5.29 E81T1-Ni1C. The nickel addition improves low-temperature toughness, making it suitable for welding high-strength structural steels, offshore platforms, and cryogenic storage tanks operating at sub-zero temperatures.

Key Advantages

01GUJIN

Excellent -40C Toughness: 1% Ni content delivers superior Charpy impact properties at -40C for critical low-temperature service.
02GUJIN

High Strength Level: Produces 550-690MPa tensile strength weld metal with good ductility and crack resistance.
03GUJIN

All-Position Capability: Rutile-based flux system enables smooth all-position welding with good bead appearance and slag release.

Application Guide

With 100% CO2: For welding high-strength structural steels, offshore platforms, and shipbuilding hull structures.
For low-temperature storage: Suitable for LPG tanks, refrigerated vessels, and cold-climate infrastructure.
For pipeline construction: Ideal for cross-country pipeline welding requiring high toughness and field portability.

Main constituents

Elements	C(Carbon)	Mn(Manganese)	Si(Silicon)	Ni(Nickel)	S(Sulfur)	P(Phosphorus)
AWS Requirement	<=0.12	<=1.75	<=0.80	0.80 - 1.10	<=0.030	<=0.030
Typical Actual Value	0.06	1.25	0.35	0.95	0.008	0.010

Typical Mechanical Properties of Deposited Metal

The mechanical properties of E81T1-Ni1C are tested as all-weld metal with 100% CO2 shielding gas (DC+ polarity).

Test Item	Yield Strength	Tensile Strength	Elongation	Impact Value@-40°C
AWS A5.29 Requirement	>=470 MPa	550 - 690 MPa	>=19%	>=27 J
Typical Actual Result	530 MPa	610 MPa	24%	100 J

Reference Welding Parameters

Wire Diameter	1.0 mm (0.040")	1.2 mm (0.045")	1.4 mm (0.055")	1.6 mm (1/16")
Amperage	80 - 180	140 - 300	180 - 340	200 - 400
Voltage	18 - 24	22 - 32	24 - 34	26 - 36

WHY US

Consistent Quality, Direct Factory Pricing.

GUJIN

TECHNOLOGY

100% batch consistency ensured by our advanced in-house QA lab.
GUJIN

20
⁺

EXPERIENCE

20+ years mastering SAW metallurgical synergy for heavy industries.
GUJIN

OEM SERVICE

Full OEM empowerment, from custom formulations to private labeling.
GUJIN

MANUFACTURING SCALE

Massive automated capacity to stabilize your bulk supply chain.
GUJIN

GLOBAL TRUST

Long-term partner to hundreds of industrial conglomerates worldwide.

FAQ

How do you prevent the agglomerated flux from absorbing moisture during long-distance sea freight?

Moisture control is critical for submerged‑arc welding fluxes. Our standard packaging is 25‑kilogram multi‑layer kraft paper bags lined with heavy‑duty moisture‑proof plastic bags. For extreme environments or ultra‑low hydrogen requirements (such as H5 grade), we can also provide custom heavy‑duty aluminium foil vacuum packaging. All goods are stacked on wooden pallets and tightly wrapped with multiple layers of industrial shrink film to ensure 100% dryness upon arrival at the port.

We are fabricating API 5L X70 pipes. Can we use standard neutral fluxes like GJ-301?

No. For High-Grade Oil & Gas pipeline fabrication (such as API X60 to X70), standard neutral fluxes like 301 or active fluxes like 501 are not suitable, as they cannot guarantee the required extreme low-temperature impact toughness. You must use our dedicated pipeline-grade Fluoride-Basic agglomerated flux, GJ-101Q (or GJ-101G), combined with Mo/Ni-alloyed wires (e.g., EA2 or S3Ni1Mo).This combination ensures zero loss of alloying elements and guarantees impact values of ≥27J(or much higher) at -40°C to -50°C.

What is your minimum order quantity (MOQ) and typical delivery time for a 20ft container?

Our standard MOQ for international orders is normally 5 tons per item. For a full 20‑foot FCL container, the loading capacity is usually 24 tons subject to container space constraints, and it can reach 27 tons without pallets. A 40HQ high‑cube container can hold a maximum of 28 tons. Backed by our robust production capacity, we can finish production, quality inspection and packaging within 7‑10 days upon receiving the deposit, and deliver the goods to major Chinese ports such as Qingdao Port or Tianjin Port.

Our workshop wants to save time and energy. Is there a way to use the agglomerated flux directly without the re-baking process?

Yes! We fully understand that re-baking costs time and electricity. For customers who want to skip this step, we highly recommend selecting our Heavy-Duty Aluminum Foil Vacuum Packaging. The flux is vacuum-sealed immediately after high-temperature manufacturing. When you open the bag in your workshop, the flux is in a 100% factory-dry state and can be poured directly into the welding hopper for immediate use.

Our steel plates have light rust and mill scale, and we cannot perfectly sandblast all of them before welding. Which flux can prevent porosity in this situation?

For structural steel with surface impurities like rust, oil, or mill scale, standard neutral or high-basic fluxes will likely cause porosity. You need our GJ-501A (Aluminate-Rutile Active Flux). It features a highly active deoxidizing slag system that offers exceptional tolerance to surface contaminants. This allows you to achieve flawless, X-ray quality welds at high speeds without rigorous pre-weld grinding, significantly boosting your shop floor efficiency.