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AISI 4130 75K P+X Alloy Steel Round Bar
AISI 4130 75K P+X Alloy Steel Round Bar
AISI 4130 75K P+X Alloy Steel Round Bar
AISI 4130 75K P+X Alloy Steel Round Bar
AISI 4130 75K P+X Alloy Steel Round Bar
AISI 4130 75K P+X Alloy Steel Round Bar

AISI 4130 75K P+X Alloy Steel Round Bar

Min.Order: 1
Product origin: Changsha, Hunan, China
Infringement complaint: complaintComplaint
US$ 800 ~ 1500

Description

AISI 4130 75K P+X Alloy Steel

 

Introduce

AISI 4130 75K, PSL 3, API 6A Standards, Temperature Class P+X, NACE MR0175:2015
 

Chemical Composition

GradeCMnCrMoSiPSNiCuVH max. ppm
Min.0.2800.4000.8000.1500.150------
Max.0.3300.6001.1000.2500.3500.0250.0250.3500.3500.3002.000
 

Heat Treatment

Normalizing temperatureTime Austenizing temperatureTime Tempering temperatureTime
Min. 1620ºF (899ºC)Min. 60 minutes1575 - 1625ºF
(857 - 885ºC)		Min. 60 minutesMin. 1238ºF (670ºC)Min. 60 minutes
Oil or Polymer or Water. For Water Quenching, the temperature of water shall not exceed 38ºC (100ºF) at start of quench. For bath-type quenching, the temperature of water shall not exceed 49ºC(120ºF) at any time during the quench cycle.

Mechanical Properties

as per ASTM E21-20 for P+X Grade
Yield strength
minimum (0.2%)		Tensile strength minimumElongation in
2" (minimum)		Reduction Area
 (minimum)
75 ksi (517MPa)95 ksi (655 MPa)18%35%
 

Quality Inspection

  1. Specimen test location & QTC
  2. Charpy V-notch impact at 21ºC / -32ºC
  3. Hardness as per ASTM E10-18: On surface / 1" below surface
  4. Volumetric NDE 100% - Ultrasonic
  5. Minimum hot work reduction ratio 4.0 to 1
  6. Grain size should be #S or Finer as per ASTM E112 - 13
  7. Surface inspection
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