442S19 Stockist, 442S19 Equivalent Steel

442S19
2015-08-29 17:20:24   Origin:   Remark:0 Click:

Martensitic stainless steel 442S19 Round bar, flat bar, plate, Stocklist 442S19 Forgings, Steelmaking, ESR, Hot forging, Hot rolling, Heat treated, Ultrasonic test, Cold machined.
OFFICIAL TEST CERTIFICATE: issued by TUV - SGSBV

MATERIAL TECHNICAL DATASHEET - Grade 442S19
MATERIAL CATEGORY - Martensitic stainless steel
MATERIAL SPECIFICATIONS - BS 970
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (%):  0.20 ~ 0.25
Silicon, Si (%):  ≤ 0.50
Manganese, Mn (%):  0.50 ~ 1.00
Phosphorus, P (%)≤:  0.030
Sulfur, S (%)≤:  0.025
Chromium, Cr (%):  11.0 ~ 13.5
Nickel, Ni (%):  0.50 ~ 1.00
Molybdenum, Mo (%):  0.75 ~ 1.25
Tungsten, W (%):  0.75 ~ 1.25
Vanadium, V (%):  0.17 ~ 0.30
Others (%):   Cu 0.50
MECHANICAL PROPERTIES & HEAT TREATMENT Q/T  
Condition of heat treatment: Annealed
Hardness | HRS:  ≤ 248
Condition of heat treatment: HT 1022℃ ~ 1050℃ air or oil cooled, ≥620℃ X 2H, tempered
Tensile strength, σb ≥/MPa:    965
Yield strength, σ0.2 ≥/MPa: 760
Elongation, δ ≥(%):    13
Reduction of area, ф ≥(%):   30
Hardness | HRS:  302 ~ 352
Condition of heat treatment: H 1022℃ ~ 1050℃ air or oil cooled, ≥677℃ X 2H, tempered
σb ≥/MPa:    825
σ0.2 ≥/MPa: 585
δ ≥(%):    17
ф ≥(%):   35
Hardness | HRS:  241 ~ 285
FORMS AND DIMENSIONS
Round bar / Disc (diameter):  5.5mm to 600mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T10 - 300mm X W10 - 1500mm X L1000-12000mm
Sheet steel via cold rolled: T0.5 - 6mm X W6 - 200mm X L1000 - 2000mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts, other different shapes based on OEM.
MANUFACTURING TECHNIQUE 
The alloy is usually produced by AOD / EAF 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 - QT
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers, Email:
sales@ccsteels.com.

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