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BS X2CrNiMo18-15-4
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BSEN Austenitic stainless steel material specification X2CrNiMo18-15-4 datasheet,X2CrNiMo18-15-4 Chemical, Ring forging,X2CrNiMo18-15-4 Bar, Wire rod, Sheet - steelmaking,X2CrNiMo18-15-4 ESR, Blooming, Forging, Rolling, Heat treatment, Straightened, Ultrasonic test, Cold working, Machined. We also possess advanced precision machining equipments for further processing. Technical Standards - BS EN 10088-3 (2005) or by agreement.

OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV

TECHNICAL SPECIFICATION / DATASHEET - BS X2CrNiMo18-15-4 / 1.4438

MATERIAL CATEGORY: Stainless steel round bar, wire rod, and semi-finished products

STEEL TYPE: Austenitic series

MATERIAL SPECIFICATIONS: BS EN 10083-3 (2005)

CHEMICAL COMPOSITION (WEIGHT %)

C(％):     ≤0.030
Si(％):    ≤1.00
Mn(％):   ≤2.00
P(％)≤:   0.045
S(％)≤:   0.015
Cr(％):    17.5 ~19.5
Ni(％):    13.0～16.0
Mo(％):   3.00~4.00
Other(％):  N ≤0.11

MECHANICAL PROPERTIES ( BAR/WIRE ROD ) AND INTERGRANULAR CORROSION RESISTANT TENDENCY VIA SOLUTION TREATMENT

Thickness Diameter (d)/≤mm: 160

Hardness HBS: 215
Yield strength σ0.2≥/MPa: 200
Tensile strength σb/MPa: 500～700

Elongation δ(longitudinal )≥(％): 40

Elongation δ(transversal )≥(％): -

Impact absorbing energy Akv≥/J|longitudinal: 100
Impact absorbing energy Akv≥/J|transversal: -
Intergranular corrosion resistance tendency | condition of delivery: Yes
Intergranular corrosion resistance tendency | condition of welding: Yes

Thickness Diameter (d)/≤mm: 160<d≤250

Hardness HBS: 215
Yield strength σ0.2≥/MPa: 200
Tensile strength σb/MPa: 500～700

Elongation δ(longitudinal )≥(％): -

Elongation δ(transversal )≥(％): 30

Impact absorbing energy Akv≥/J|longitudinal: -
Impact absorbing energy Akv≥/J|transversal: 60
Intergranular corrosion resistance tendency | condition of delivery: Yes
Intergranular corrosion resistance tendency | condition of welding: Yes

AUSTENITIC STAINLESS STEEL / APPLICATION

The chromium content is 18%, or so 8% nickel and elements of Molybdenum, Titanium, Nitrogen. Combination property is pretty well, can be corrosive for multiple mediums. Those steels possess excellent plasticity, toughness,weldability,corrosion resistance and Non-magnetism or weak magnetism, and good corrosion resistance in the medium of oxidability and reducibility, which are for processing the acid-resistant equipments, such as anti-corrosive vessel, equipment lining, running piping, equipment parts of nitric acid resistance, and also for main material of stainless steel horologe accessories. Austenitic stainless steel adopts solution treatment generally, that's to say, heating the steel to 1050～1150℃, then water cooling or wind cooling, to obtain single phase austenite structure. Main steel grades are listed:
BS X2CrNil9-11, BS X8CrNiS18-9, BS X2CrNiMo17-12-2, BS X2CrNiMoN17-13-3, BS X1NiCrMoCu31-27-4.

PRODUCT DESCRIPTION
The alloy is usually produced by AOD / VOD /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

HEAT TREATMENT PRACTICE
Heat treatment is only suitable for specific grades of stainless steel. When heat treating a stainless the hardening temperatures, including rate of heating, cooling and soaking times will vary due to several factors such as the shape and size of each component. Other considerations during the heat treatment process include the type of furnace, quenching medium and work piece transfer facilities. Please consult with the heat treatment provider for whole guidance on heat treatment of stainless steel grades. We are delighted to help to work with you the special heat treatment based on your special requirements.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers.
Mr Chen, Mr.Jiang - Email: lh.steel@hotmail.com

PRODUCT PROFILE
Round bar / Wire rod (Diameter1): 0.50mm to 800mm
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: 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.
Pipes / Tubings: OD 3-219 mm, with wall thickness ranging from 0.50 to 35 mm.

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