ASTM A838 type 1
2020-04-14 10:22:01 Origin： Remark：0 Click：
Round bars A838 type 1 Material Technical specification Ex-stock, ASTM A838 type 1 Plate Forging machined Alloy exporter from Melting, Blooming, Hot forging, Hot rolling, Heat treat, Straightening, 100% Ultrasonic flaw detection test.
MATERIAL SPECIFICATION - ASTM A838 430FR type 1
MATERIAL CATEGORY: Free cutting steel
PRODUCT DESCRIPTION
The alloy is usually produced by BEF + AOD or EAF
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' requirements.
Bars are usually supplied black / bright in the annealed condition.
Final heat treatment - solution treatment / Quenched and Tempered
The alloy is usually produced by BEF + AOD or EAF
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' requirements.
Bars are usually supplied black / bright in the annealed condition.
Final heat treatment - solution treatment / Quenched and Tempered
AVAILABILITY
Round bar / flat bar / steel strip / square bar
Bright - peeled + polishing, centerless ground, precision ground
Forged - ring, tube, pipe casing, discs, shaft
Round bar / flat bar / steel strip / square bar
Bright - peeled + polishing, centerless ground, precision ground
Forged - ring, tube, pipe casing, discs, shaft
MATERIAL SPECIFICATIONS - ASTM A959 (2004), A276, A312, A632, A176, A580, A564
CHEMICAL COMPOSITION (Mass weight - %)
C (％): ≤ 0.065
Si (％): 0.30 ~ 0.70
Mn (％): ≤ 0.80
P (％)≤: 0.030
S (％)≤: 0.25 ~ 0.40
Ni (％): ≤ 0.60
Cr (％): 17.25 ~ 18.25
Mo (％): ≤ 0.50
Si (％): 0.30 ~ 0.70
Mn (％): ≤ 0.80
P (％)≤: 0.030
S (％)≤: 0.25 ~ 0.40
Ni (％): ≤ 0.60
Cr (％): 17.25 ~ 18.25
Mo (％): ≤ 0.50
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Form: Cold drawn annealed round bar
Condition: annealing
Tensile strength, σb/MPa: 450 ~ 550
Yield strength, σ0.2/MPa: 320 ~ 450
Elongation, δ(％): 25.0
Reduction of area, ф(％): -
Elongation, δ(％): 25.0
Reduction of area, ф(％): -
Hardness | HRB: 78 ~ 88
TYPICAL APPLICATIONS
Chemical equipment.
Mechanical parts used in the condition of corrosion resistance.
Bolt and nut, Pressure vessel.
Chemical equipment.
Mechanical parts used in the condition of corrosion resistance.
Bolt and nut, Pressure vessel.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers. E-mail: sales@ccsteels.com
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers. E-mail: sales@ccsteels.com
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