42CrMo4 alloy steel seamless pipe

Description

Usage Applicable to the general structure, mechanical structure with seamless steel tubes

Quality Standard 

ASTM A**9 Seamless Carbon and Alloy Steel Mechanical Tubing

JIS G***1 Alloy steel tubes for machine purposes

DIN ***1 Seamless Precision Steel Tubes

DIN ***8 SEAMLESS STEEL PIPES AND TUBES

BS ***3 SEAMLESS AND WELDED STEEL TUBES FOR AUTOMOBILE MECHANICAL AND GENERAL ENGINEER PURPOSE

EN****5 Steel tubes for precision applications Technical delivery conditions Seamless cold drawn tubes

EN ****7 Seamless circular steel tubes for mechanical and general engineering purposes

Steel Grade

ASTM A**9 ********5, ********2, ***5

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

BS ***3 CFS 3, CFS 3Aa, CFS 4, CFS 5b, CFS 6, CFS 7, CFS 8d, CFS 9, CFS *0, CFS *1

Size

Outer DiameterHot finish 2" - *0", Cold drawn 0.**5" - *8"  

Wall ThicknessHot finish 0.**0" – 4.*0", Cold drawn 0.**5" – 0.**5"

Length Random Length, Fixed Length, SRL, DRL

Heat treatment

Annealed, Full 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,**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