ENiCrMo-4

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ENiCrMo-4

ENiCrMo-4 is a nickel-chromium-molybdenum-tungstencovered electrodedesigned forSMAW (manual shielded metal arc welding). It shares the same alloy chemistry as ERNiCrMo-4 but is optimized formanual welding, field installation, and repair workin highly corrosive and high-temperature environments.
  • ENiCrMo-4 Welding Wire Supplier for High Performance Nickel Alloy Welding

    ENiCrMo-4

Standards & Classification

Standard

Classification

AWS A5.11

ENiCrMo-4

EN ISO 14172

E Ni 6276

UNS

N10276

Note: ERNiCrMo-4 and ENiCrMo-4 produce equivalent weld metal chemistry under different welding process classifications.

Chemical Composition (Typical, %)

Element

C

Mn

Si

Cr

Ni

Mo

Fe

W

Co

V

P

S

Content (%)

≤0.02

≤1.0

≤0.08

14.5–16.5

58.0–63.0

15.0–17.0

4.0–7.0

3.0–4.5

≤2.5

≤0.35

≤0.04

≤0.03

Low carbon and controlled silicon content help minimize weld cracking and improve corrosion resistance.

Mechanical Properties (Typical All-Weld Metal)

Property

Value

Tensile Strength

≥690 MPa

Yield Strength

≥275 MPa

Elongation

≥30%

Impact Toughness

Excellent at room temperature

Actual values may vary depending on welding parameters and dilution.

Key Metallurgical Characteristics

Ni-Cr-Mo-W Solid Solution Strengthened System
Maintains high strength and exceptional resistance to pitting and crevice corrosion.

Outstanding Resistance to Severe Chemical Media
Performs reliably in strong acids, chlorides, and mixed corrosive environments.

Excellent Resistance to Stress Corrosion Cracking
Perfect for chemical plants, offshore structures, and highly aggressive service conditions.

Low Carbon Content
Reduces risk of intergranular corrosion in manual welding applications.

Stable Weld Microstructure
Ensures weld integrity under thermal cycling and high-corrosion exposure.

Optimized for Manual Welding
Excellent arc stability, slag detachability, and weld bead appearance, including vertical and overhead positions.

Application & Supply Overview

Category

Details

Base Materials

Alloy C-276, UNS N10276, Ni-Cr-Mo alloys, Dissimilar welding between nickel alloys and stainless steels

Industrial Applications

Offshore maintenance, Chemical plant repair, Flue gas desulfurization equipment, Acid handling systems, Pollution control equipment

Service Environment

Strong acids, Chloride-rich media, Seawater exposure, Mixed corrosive process streams

Available Forms

Covered Electrode (SMAW)

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