1026 - Grade,Structural Steel

1026 Structural Steel to A 1040 (2010)

A 1040 (2010) - Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Carbon, Low-Alloy, and Alloy Steels
A 29/A 29M (2012) - Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for
A 510/A 510M (2011) - General Requirements for Wire Rods and Coarse Round Wire, Carbon Steel
A 512 (2006) - Cold-Drawn Buttweld Carbon Steel Mechanical Tubing
A 513/A 513M (2012) - Standard Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing
A 519 (2006) - Seamless Carbon and Alloy Steel Mechanical Tubing
A 576 (1990) - Steel Bars, Carbon, Hot-Wrought, Special Quality
A 830/A 830M (2011) - Plates, Carbon Steel, Structural Quality, Furnished to Chemical Composition Requirements
SAE J 1397 (1992) - Estimated Mechanical Properties and Machinability of Steel Bars
SAE J 403 (2009) - Chemical Compositions of SAE Carbon Steels
SAE J 412 (1995) - General Characteristics and Heat Treatments of Steels

Nonresulfurized carbon steels

Elements	Min.（≥）	Max.（≤）
C	0.22	0.28
Mn	0.60	0.90
P	-	0.040
S	-	0.050

1026

Proof strength R_p0.2 (MPa)	Tensile strength R_m (MPa)	Impact energy KV (J)	Elongation at fracture A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
125 (≥)	864 (≥)	43	23	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	314

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
824 (≥)	297 (≥)	22	11	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	433
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
943	776	676

1 1026 2 G10260 3 A 959 S41026 4 A 988 S41026 5 S41026

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