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8 Application:China structural steel and alloy steel
Category Type Steel grade Standard Country
Grades Special Alloy 8 GBT China

Chemical composition % of the ladle analysis of grade 8

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.05-0.11 0.17-0.37 0.35-0.65 0.035 0.035 0.1 0.3 0.25
8
Mechanical properties of grade 8
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)
852 (≥) 469 (≥) 44 13 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 114
Physical properties of grade 8
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
949 (≥) 935 (≥) 34 12 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 444
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
655 646 386
8 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
Y1Cr18Ni9 GBT China
Improve the machinability, ablation resistance. Suitable for automatic lathe production of bolt and nut
1Cr18Ni9 GBT China
High strength after cold forming, but elongation than 1 cr17ni7 slightly worse. Used in architectural decoration parts
1Cr18Mn10Ni5Mo3N GBT China
Of urea with good corrosion resistance, can produce urea corrosion of the equipment.
Y1Cr18Ni9Se GBT China
Improve the machinability, ablation resistance. Suitable for automatic lathe production of rivets, screws
0Cr18Ni9 GBT China
Seamless stainless steel tubes for boiler and heat exchanger
1Cr18Mn8Ni5N GBT China
Nickel steel, instead of 1cr18ni9
00Cr18Ni10N GBT China
In 00cr19ni10 adding N, on the basis of the above grades also features, use the same as the 0 cr19ni9n, but better intergranular corrosion resistance
1Cr18Ni12 GBT China
Compared with 0 cr19ni9, processing low hardenability. Used for spinning processing, special drawing, cold heading
1Cr18Ni12Mo2Ti GBT China
Seamless stainless steel tubes for boiler and heat exchanger
0Cr18Ni12Mo2Ti GBT China
Seamless stainless steel tubes for boiler and heat exchanger
G1800 GBT China
Used in the products of the automobile, truck, tractor, and allied industries. Miscellaneous soft iron castings (as cast or annealed) in which strength is not of primary consideration. Exhaust manifolds may be made of this grade of iron, alloyed or unallo
F10008 GBT China
Used in the products of the automobile, truck, tractor, and allied industries. Diesel engine castings, liners, cylinders, and pistons.
W108 Commerial GBT China
Water quenching tool steel
00Cr17Ni14Mo2 GBT China
Austenitic stainless steel. Grade 00Cr17Ni14Mo2 was replaced by new designation 022Cr17Ni12Mo2 according to GB/T 20878 (2007)
X2CrNiMo18-14-3 GBT China
Austenitic stainless steel. Grade 00Cr17Ni14Mo2 was replaced by new designation 022Cr17Ni12Mo2 according to GB/T 20878 (2007)
1.4435 GBT China
Austenitic stainless steel. Grade 00Cr17Ni14Mo2 was replaced by new designation 022Cr17Ni12Mo2 according to GB/T 20878 (2007)
Z 3 CND 17-11-02 GBT China
Austenitic stainless steel. Grade 00Cr17Ni14Mo2 was replaced by new designation 022Cr17Ni12Mo2 according to GB/T 20878 (2007)
TS 60 GBT China
Austenitic stainless steel. Grade 00Cr17Ni14Mo2 was replaced by new designation 022Cr17Ni12Mo2 according to GB/T 20878 (2007)
0Cr18Ni12Mo2Cu2 GBT China
0Cr18Ni12Mo2Cu2 stainless steel corrosion resistance, resistance to corrosion resistance is better than 0Cr17Ni12Mo2. 0Cr18Ni12Mo2Cu2 stainless steel used in the sulphuric acid resistant material.
00Cr18Ni14Mo2Cu2 GBT China
00Cr18Ni14Mo2Cu2 0Cr18Ni12Mo2Cu ultra-low carbon steel, stainless steel 00Cr18Ni14Mo2Cu2 stainless steel is better than 0Cr18Ni12Mo2Cu2 resistance to intergranular corrosion.

Relevant products

8 Equivalent Grade Stock

Steel grade Dimension Shape Unit Quantity Delivery state Query
Cr8 flat bar 12*355*L Flat or Square bar Kgs 3965 Forged+Annealed+black Enquiry
IncoloyA-286 / GH 2132 Stock Φ8-65mm*L Round Bar Kgs 489 Hot-Rolled+Annealed+black Enquiry
Incoloy800 round bar Φ115*1400 Round Bar Kgs 169 Hot-Rolled+Annealed+black Enquiry
1.2083 Forged Plate T:105-185mm*W:510*L Plate or Sheet Tons 26 Forged+QT Enquiry
1.4882 strip/sheet/plate stock 3.5x200x1000-2000mm Coil or Strip Kgs 200 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
PH13-8Mo Forgings Select 0 Select Enquiry
0Cr13Ni8Mo2Al, PH13-8Mo, 13-8Mo, XM-13 round bar stock Select 0 Select Enquiry

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