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X7CrNiAI17 7 Application:Martensite And Precipitation Hardening
Category Type Steel grade Standard Country
Grades Special Alloy X7CrNiAI17 7 AFNOR France

Chemical composition % of the ladle analysis of grade X7CrNiAI17 7

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Al(%)
Max 0.09 Max 0.70 Max 1.50 Max 0.040 Max 0.015 16.00-18.00 6.50-7.80 0.70-1.50
X7CrNiAI17 7
Mechanical properties of grade X7CrNiAI17 7
Proof strength
Rp0.2 (MPa)		 Tensile strength
Rm (MPa)		 Impact energy
KV (J)		 Elongation at fracture
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
448 (≥) 354 (≥) 13 23 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 111
Physical properties of grade X7CrNiAI17 7
Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm		 Modulus of elasticity
kN/mm2		 Expansion rate
257 (≥) 163 (≥) 21 22 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 234
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
899 349 869
X7CrNiAI17 7 Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
1Cr17Ni7 AFNOR France
High strength after cold forming. Used in railway vehicle, conveyor belt, bolt and nut, etc
1Cr17Mn6Ni5N AFNOR France
Nickel steel grade, instead of number 1 cr17ni7 and magnetism after cold working, used in railway vehicle, etc
0Cr17Ni12Mo2 AFNOR France
Seamless stainless steel tubes for boiler and heat exchanger
T72301 AFNOR France
Carbon tool steel products which include hot or cold finished bar, plate, sheet, rod, wire, or forgings, which are normally fabricated into tools, dies, or fixtures.
W2-A AFNOR France
Carbon tool steel products which include hot or cold finished bar, plate, sheet, rod, wire, or forgings, which are normally fabricated into tools, dies, or fixtures.
T72302 AFNOR France
Carbon tool steel products which include hot or cold finished bar, plate, sheet, rod, wire, or forgings, which are normally fabricated into tools, dies, or fixtures.
F10007 AFNOR France
Diesel engine cylinder block, truck and tractor cylinder block and cylinder head, flywheel, tractor transmission case and heavy-load gear box
T72305 AFNOR France
Carbon tool steel
00Cr17Ni14Mo2 AFNOR France
Austenitic stainless steel. Grade 00Cr17Ni14Mo2 was replaced by new designation 022Cr17Ni12Mo2 according to GB/T 20878 (2007)
X2CrNiMo18-14-3 AFNOR France
Austenitic stainless steel. Grade 00Cr17Ni14Mo2 was replaced by new designation 022Cr17Ni12Mo2 according to GB/T 20878 (2007)
1.4435 AFNOR France
Austenitic stainless steel. Grade 00Cr17Ni14Mo2 was replaced by new designation 022Cr17Ni12Mo2 according to GB/T 20878 (2007)
Z 3 CND 17-11-02 AFNOR France
Austenitic stainless steel. Grade 00Cr17Ni14Mo2 was replaced by new designation 022Cr17Ni12Mo2 according to GB/T 20878 (2007)
TS 60 AFNOR France
Austenitic stainless steel. Grade 00Cr17Ni14Mo2 was replaced by new designation 022Cr17Ni12Mo2 according to GB/T 20878 (2007)
0Cr17Ni12Mo2N AFNOR France
Seamless stainless steel tubes for boiler and heat exchanger
00Cr17Ni13Mo2N AFNOR France
Seamless stainless steel tubes for boiler and heat exchanger
1Cr17 AFNOR France
Seamless stainless steel tubes for boiler and heat exchanger
Y1Cr17 AFNOR France
Stainless steel bars
1Cr17Mo AFNOR France
Cold rolled stainless steel sheets and plates
00Cr27Mo AFNOR France
Seamless stainless steel tubes for boiler and heat exchanger
00Cr17 AFNOR France
Welded stainless steel pipes for liquid delivery

Relevant products

X7CrNiAI17 7 Equivalent Grade Stock

Steel grade Dimension Shape Unit Quantity Delivery state Query
17-4PH Coil Stock 0.08*200mm Coil or Strip Kgs 1623 Cold-Rolled+Annealed Enquiry
17-4PH Round Bar Φ5-300mm*L Round Bar Kgs 46958 Hot-Rolled+Annealed+black Enquiry
17-4PH plate 8-45*1200*3000mm Plate or Sheet Tons 4.9 Hot-Rolled+Annealed+black Enquiry
17-7PH / 631 Coil & Strip, Sheet Stock 0.3-3.0*10-180mm Coil or Strip Kgs 1236.22 Cold-Rolled+Annealed Enquiry
A387 F5 & Grade 5 sheet Coil strip 0.5mmx200mmxC Coil or Strip Tons 3 Cold-Rolled+Annealed Enquiry
A387 F5 & Grade 5 Hot Coil stock Select Tons 3 Hot-Rolled+Annealed+black Enquiry
1.2367 ESR Forged Round Bar stock(2019-09-03) Select 0 Select Enquiry
1.2379 ESR Round Bar Stock(2019-09-03) Select 0 Select Enquiry
1.2714 Hot-Work Mould Steel Flat Bar Stock(2019-09-03) Select 0 Select Enquiry
1.2714 Stock list 2020-06-15 Select 0 Select Enquiry
1.2714 QT Bar Stock List 2020-06-15 Select 0 Select Enquiry

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