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ANSWER: ASTM A1008 SHS steel is Solution hardened steel, “SH” means solution hardened.
ASTM A1008 SHS steel has five grades, they are :A1008 SHS grade 26(180), A1008 SHS grade 31(210), A1008 SHS grade 35(240), A1008 SHS grade 41(280), A1008 SHS grade 44(300).
The carbon composition of all the above grades is max 0.12%.
The yield strength of A1008 SHS grade 26(180) min 180MPa, tensile strength is min 300 Mpa, Elongation 50mm is min 30%; Bake hardening index,
The yield strength of A1008 SHS grade 31(210) is min 210MPa, tensile strength is min 320Mpa, Elongation 50mm is min 28%;
The yield strength of A1008 SHS grade 35(240) is min 240MPa, tensile strength is min 340 Mpa, Elongation 50mm is min 24%;
The yield strength of A1008 SHS grade 41(280) is min 280MPa, tensile strength is min 370 Mpa, Elongation 50mm is min 22%;
The yield strength of A1008 SHS grade 44(300) is min 300MPa, tensile strength is min 390 Mpa, Elongation 50mm is min 20%;
