Descripción del producto

MECHANICAL SEAMLESS STEEL TUBING
Usage: Applicable to the general structure, mechanical structure with seamless steel tubes.

Quality Standard:
ASTM A *3 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless
ASTM A**9 Seamless Carbon and Alloy Steel Mechanical Tubing 
GB/T***2 Seamless Steel Tubes for Structural Purposes
JIS G***1 Alloy steel tubes for machine purposes 
JIS G***4 Carbon steel tubes for general structural purposes 
JIS G***5 Carbon steel tubes for machine structural purposes 
DIN ***1 Seamless Precision Steel Tubes 
EN****5 Steel tubes for precision applications. Technical delivery conditions. Seamless cold drawn tubes
EN ****0:Seamless structural steel pipes

Steel Grade:
ASTM A *3:? Grade A, Grade B, Grade C, Type F, Type E
ASTM A**9: ********5, ********2, ***5
GB/T***2: *0, *0, *5, *5, *6Mn, *2C rMo, *5CrMo, *2C rl MoV
JIS G***1: SCM **5 TK, SCM **8 TK, SCM **0 TK, SCM **0 TK, SCM **5 TK, SCM **0 TK 
JIS G***4: STKM *1A, STKM *2, STKM *3, STKM *4, STKM *5, STKM *6, STKM *7, STKM *8
STKM *9, STKM *0
DIN ***1: St*0Si, St*0A1, St*5, St*5, St*2
EN****5: E**5, E**5 
EN ****0: S**5JRH; S**5J0H, S**5J2H; S**5J0H, S**5J2H; S**5NH, S**5NH; S**5NLH, S**5NLH

Size: 
Outer Diameter：Hot finish: 2" - *0",Cold drawn: 0.**5" - *8"
Wall Thickness：Hot finish: 0.**0" - 4.*0",Cold drawn:0.**5" - 0.**5"
Length： Random Length, Fixed Length, SRL, DRL 
Heat treatment：
Annealed: Bright annealed, , Spheroidize annealed
Normalized, Stress relieved, Cold finished, Quenched and Tempered
Delivery Condition ï¼š BKS, NBK,BK ,BKW, GBK(+A), NBK(+N), BK(+C)
Packing：Plastic plugs in both ends, Hexagonal bundles of max. 2,**0kg 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.
Mill Test Certificate: EN ****4/3.1B