ASTM A193 B7M Elbows

While ASTM A193 B7M is primarily a specification for bolting material, Zeron Fasteners offers specialized Elbows and other pipe fittings manufactured using the equivalent B7M alloy steel grade. These elbows are crucial pipe fittings used to change the direction of fluid flow in a piping system, typically at 45 or 90 degrees . Manufactured often through a forging process, they are essential components in high-temperature and high-pressure applications within the chemical, petrochemical, and power generation industries. The defining characteristic of the B7M material is its controlled maximum hardness, which is specifically engineered to provide enhanced resistance to chloride stress corrosion cracking (SCC), making it mandatory for systems exposed to corrosive environments (like sour gas service) or where NACE compliance is required. Zeron Fasteners ensures these elbows possess the necessary strength and resistance to maintain the integrity of the critical piping infrastructure.

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ASTM A193 B7M Elbows Manufacturer in India

ASTM A193 B7M Elbows Chemical Composition

Element Composition (% by Mass)
Carbon (C) 0.38 - 0.48
Manganese (Mn) 0.75 - 1.00
Phosphorus (P) ≤ 0.035
Sulfur (S) ≤ 0.040
Silicon (Si) 0.15 - 0.35
Chromium (Cr) 0.80 - 1.10
Molybdenum (Mo) 0.15 - 0.25

ASTM A193 B7M Elbows Mechanical Properties

Property Minimum Requirement (Equivalent Grade B7M)
Tensile Strength, min 100 ksi (690 MPa)
Yield Strength, min 80 ksi (550 MPa)
Elongation in 2 in. (50 mm), min 16%
Reduction of Area, min 50%
Hardness, max (Brinell) 235 HBW
Hardness, max (Rockwell) 22 HRC

ASTM A193 B7M Elbows Feature Products