JIANGSU HAOHUA INDUSTRY GROUP

 EN10083-1 34CrMo4 Grade-1.7220

 34CrMo4 Grade-1.7220
Steel Grade Comparison 1.7220
EN 10083-1 JIS G3441 ASTM A519
34CrMo4/1.7220 SCM435TK 4135
Chemical Composition(%)
C Mn Si P S Cr Mo
0.30-0.37 0.60-0.90 0.40 max 0.035 max 0.035 max 0.90-1.20 0.15-0.30
Mechanical Properties( T=20°C if not differently stated )
Wall Thickness(mm) Tensile Strength Rm (Mpa) Yield Strength R2 (Mpa) Elongation in the longitudinal direction Al (%) Elongation in the transverse direction At (%) Impact properties in delivery condition Q+T (longitudinal) Impact properties in delivery condition Q+T (transverse)
8 max 1000 min 800 min 11 min 9 min 35 min(KV, J, at 20 °C) /(KV, J, at 20 °C)
8-20 900 min 650 min 12 min 10 min 40 min(KV, J, at 20 °C) 25 min(KV, J, at 20 °C)
20-50 800 min 550 min 14 min 12 min 45 min(KV, J, at 20 °C) 27 min(KV, J, at 20 °C)
50-80 750 min 500 min 15 min 13 min 45 min(KV, J, at 20 °C) 27 min(KV, J, at 20 °C)
Dimensions Tolerance
Outer Diameter Scope Outer Diameter Tolerance Wall Thickness/Outer Diameter ratio Wall Thickness Tolerance Length Scope Length Tolerance
OD219mm max ±1% or ±0.5 mm whichever is the greater any ±12.5% or ±0.4 mm whichever is the greater 6000mm max -0mm,+10mm
OD219mm min ±1% 0.025 max ±20% 6000mm-12000 -0mm,+15mm
OD219mm min ±1% 0.025-0.050 ±15% 12000mm min minus not allowed
OD219mm min ±1% 0.050 min ±12.5% / /

Production Description:
34CrMo4 alloy steel pipe
WT:2-50mm,OD:10-660mm
Standard:GB,JIS,DIN,AISI
Technique:hot rolled,cold rolled
34CrMo4 alloy steel pipe
Alloy Steel pipe/Alloy pipe/Alloy seamless steel pipe
Application
Natural gas, petroleum, chemical industry, electric power, metallurgy thermodynamic fields, water supply engineering, steam heating, hydroelectric power station and long pipeline transportation projects.