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Technical specifications JIS Martensitic stainless steel alloy SUS420J1 datasheet, SUS420J1 Chemical compositions, SUS420J1 mechanical properties from Steelmaking, ESR melting, Hot blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic test, Cold working or Machined. Technical specifications - JIS G4303 -2005.We also possess the advanced precision machining equipments for further processing. Please just let us know what you inquire.

MATERIAL TECHNICAL DATA SHEET - JIS SUS420J1

OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV

MATERIAL CATEGORY: Martensitic stainless steel

TECHNICAL SPECIFICATIONS: JIS G4303 -2005

CHEMICAL COMPOSITION (WEIGHT %)

C (％): 0.16~0.25

Si (％):     ≤ 1.00
Mn (％):   ≤ 1.00
P (％)≤:   0.040
S (％)≤:   0.030
Cr (％):    12.0～14.0

Ni (％): ≤ 0.60
Mo (％): -

N (%): -

MECHANICAL PROPERTIES, HEAT TREATMENT PRACTICE

Condition: annealed

Heat treatment temperature /℃: 800~900

Medium: rapid cooling or slow cooling

σb/≥ MPa: 520

σ0.2/≥ MPa: 225
δ ≥(％): 18

ф ≥ (％): -

Hardness | HBW ≤: 223

APPLICATION FIELD

Pulp mill bleach systems

Seawater handling equipments

Tall oil distillation columns and equipments

Food processing equipments

Hydrometallurgy, heat exchangers

Oil and gas production equipments

PRODUCT DESCRIPTION
The alloy is usually produced by IFF + AOD / VIM followed by electroslag refining (ESR) / VAR if necessary for special purpose.
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

Round bar: Diam.0.50 ~ 550mm

Flat / Square bar: T10 ~ 350mm X W15 ~ 1200mm

Heavy/middle plate via hot rolled: T6 - 200mm X W1000- 2500mm X L1000-12000mm
Sheet steel via cold rolled: T0.5 - 6mm X W600- 1000mm X L1000 - 2000mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.

TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers.

- Email: lh.steel@hotmail.com

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