Chemical Composition Element Content (wt. %) C ≤0.090 Si ≤1.00 Mn ≤1.00 P ≤0.040 S ≤0.030 Cr 14.0–16.0 Ni 6.5–7.75 Mo 2.0–3.0 N — Other Al: 0.75–1.50; Fe: Balance

Mechanical Properties Condition Tensile Strength Yield Strength (0.2%) Elongation Hardness Condition A, reference ≈965 ≈345 ≥15 ≈≤269 HB

Aerospace components Pressure parts Springs Fasteners Chemical equipment Specialized mechanical components

Chemical Composition Element Content (wt. %) C ≤0.090 Si ≤1.00 Mn ≤1.00 P ≤0.040 S ≤0.030 Cr 14.0–16.0 Ni 6.5–7.75 Mo 2.0–3.0 N — Other Al: 0.75–1.50; Fe: Balance

Mechanical Properties Condition Tensile Strength Yield Strength (0.2%) Elongation Hardness Condition A, reference ≈965 ≈345 ≥15 ≈≤269 HB

Aerospace components Pressure parts Springs Fasteners Chemical equipment Specialized mechanical components

632 Stainless Steel Seamless Pipe

Grade: 632/15-7MoPH/S15700

Size:

Seamless: 6mm*1mm-720mm*50mm

Coiled: 4mm*0.5mm-32mm*3mm

Standard: ASTM A312, ASTM A213 etc.

Surface: No.1(Pickling), Bright(Polished)

632 Stainless Steel Pipe, commonly known as 15-7MoPH, is a precipitation-hardening stainless steel developed for high strength, good corrosion resistance, and dimensional stability. Its molybdenum addition contributes to corrosion performance, while precipitation hardening provides high mechanical strength. The grade is used in aerospace, chemical processing, pressure components, springs, fasteners, and specialized engineering applications requiring a strong corrosion-resistant material.

Chemical Composition