S131 datasheet,S131 chemical,S131 heat treatment
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Description S131 datasheet, S131 Chemical, S131 Properties from Steelmaking, Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic flaw detection test, Cold working or Machined. All of these materials conform to Military standard, nuclear power. 100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.

TECHNICAL DATA SHEET - BS S131
MATERIAL CATEGORY - Aerospace "S" Series alloy steel
MATERIAL SPECIFICATIONS - BS EN 3890-2002, BS EN 2344-2001, BS EN 3146-2001
CHEMICAL COMPOSITION (WEIGHT %)
C (%):     0.55 ~ 0.70
Si (%):     0.20 ~ 0.50
Mn (%):   3.50 ~ 5.50
P (%)≤:   0.035
S (%)≤:   0.025
Cr (%):    3.00 ~ 4.00
Ni (%):    11.0 ~ 14.0
Mo (%):   ≤ 0.50
Nb/Ti (%):  - 
Others (%): W ≤1.00, V ≤0.25
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Heat treatment condition: solution annealed
Tensile strength σb≥/MPa: 700
Yield strength σs≥/MPa: 300
Elongation δ5≥(%): 55
Impact AKv ≥/J:    -
Hardness HBS:  -
Condition: work hardened
Tensile strength σb≥/MPa:  950
Yield strength σs≥/MPa: 740
Elongation δ5≥(%): 30
Impact strength, AKv ≥/J:    -
Hardness HBS:  - 
PRODUCT DESCRIPTION
The
alloy is usually produced by BEF / 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
PRODUCT PROFILE & DIMENSIONS
Round bar / Wire rod (Diameter): 5.5mm to 400mm
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: T60 - 400mm X W50 - 1000mm X L1000-12000mm
Sheet steel via cold rolled: T0.5 - 6mm X W100 - 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:
sales@ccsteels.com

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