Quality Certification

API authorized manufacturerBALL & SEAT
SPECIALTIES CO.

is an API authorized manufacturer under Specification 11AX. Our quality system meets API Specification Q1 requirements and as such is continually monitored and improved to insure the end product meets or exceeds quality requirements.

  Conventions & Conferences

OTC Houston BALL & SEAT SPECIALTIES CO.

is exhibiting at Offshore Technology Conference 2016; , Houston, TX Reliant Arena Booth# 7614, May 2nd - May 5th


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   API A1 Stainless Steel
#440C Stainless Steel Grade Specifications

Material: AISI TYPE 440 SS
Hardness: 52 - 56
Density: .275 LBS / CU. IN.
Chemical Composition:
C - 0.86 TO 1.20%   Cr - 16.0 TO 18.0%
Mn - 1.0% MAX   Si - 1.0% MAX
P - .04% MAX   S - .03% MAX
Ni - 7.5% MAX   Mo - 1.0% MAX
Remarks:  
MEDIUM WEAR, MILD CORROSION RESISTANCE
Material: AISI TYPE 440 SS
Hardness: 52 - 56
Density: .275 LBS / CU. IN.
Chemical Composition:
C - 0.86 TO 1.20%   Cr - 16.0 TO 18.0%
Mn - 1.0% MAX   Si - 1.0% MAX
P - .04% MAX   S - .03% MAX
Ni - 7.5% MAX   Mo - 1.0% MAX
Remarks:  
MEDIUM WEAR, MILD CORROSION RESISTANCE