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===under info was translated buy computer===
Usage: Applicable to the general structure, mechanical structure with seamless steel tubes.
Quality Standard:
ASTM A 53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless
ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing
GB/T8162 Seamless Steel Tubes for Structural Purposes
JIS G3441 Alloy steel tubes for machine purposes
JIS G3444 Carbon steel tubes for general structural purposes
JIS G3445 Carbon steel tubes for machine structural purposes
DIN 2391 Seamless Precision Steel Tubes
EN10305 Steel tubes for precision applications. Technical delivery conditions. Seamless cold drawn tubes
EN 10210:Seamless structural steel pipes
Steel Grade:
ASTM A 53: Grade A, Grade B, Grade C, Type F, Type E
ASTM A519: 1010-1045, 4130-4142, 5135
GB/T8162: 10, 20, 35, 45, 16Mn, 12C rMo, 15CrMo, 12C rl MoV
JIS G3441: SCM 415 TK, SCM 418 TK, SCM 420 TK, SCM 430 TK, SCM 435 TK, SCM 440 TK
JIS G3444: STKM 11A, STKM 12, STKM 13, STKM 14, STKM 15, STKM 16, STKM 17, STKM 18
STKM 19, STKM 20
DIN 2391: St30Si, St30A1, St35, St45, St52
EN10305: E235, E355
EN 10210: S235JRH; S275J0H, S275J2H; S355J0H, S355J2H; S275NH, S355NH; S275NLH, S355NLH
Size:
Outer Diameter：Hot finish: 2" - 30",Cold drawn: 0.875" - 18"
Wall Thickness：Hot finish: 0.250" - 4.00",Cold drawn:0.035" - 0.875"
Length： Random Length, Fixed Length, SRL, DRL
Heat treatment：
Annealed: Bright annealed, , Spheroidize annealed
Normalized, Stress relieved, Cold finished, Quenched and Tempered
Delivery Condition ： BKS, NBK,BK ,BKW, GBK(+A), NBK(+N), BK(+C)
Packing：Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips
Test：Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield
strength, Elongation), Technical Properties (Flattening Test, Flaring Test, Bending Test, Hardness Test, Blow Test, Impact Test etc), Exterior Size Inspection.
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