AISI 4130 75K P+X Alloy Steel Round Bar

Model NO.
4130 75K P+X
Technique
Forged
Shape
Bar
Transport Package
Strip
Specification
4-60MM
Trademark
SHUNFU
Origin
China
Production Capacity
50000tons/Year
Reference Price
$ 720.00 - 1,350.00
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Product 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

Grade C Mn Cr Mo Si P S Ni Cu V H max. ppm
Min. 0.28 0 0.40 0 0.80 0 0.15 0 0.15 0 - - - - - -
Max. 0.33 0 0.60 0 1.10 0 0.25 0 0.35 0 0.0 2 5 0.0 2 5 0.350 0.350 0.300 2.000
 

Heat Treatment

Normalizing temperature Time Austenizing temperature Time Tempering temperature Time
Min. 1620ºF (899ºC) Min. 60 minutes 1575 - 1625ºF
(857 - 885ºC) 		Min. 60 minutes Min. 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 minimum Elongation 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
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

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