Physical parameters

R50 (51,67 kg/m) GOST 7173-75

R65 (64,72 kg/m) GOST 8165-75

Chemical parameters (chemical element content)

Manganese: 0.60 - 1.05%

Carbon: 0.54 - 0.82%

Silicon: 0.18 - 0.40%

Sulfur: maximum content 0.04%

Phosphorus: maximum content 0.035%

Arsenic: maximum content 0.01%

GB Standard:

 light rail (6kg, 8kg, 9kg, 12kg, 15kg, 18kg, 22kg, 24kg, 30kg)

 heavy rail (38kg, 43kg, 50kg, 60kg, 75kg)

 crane rail(Qu70, Qu80, Qu100, Qu120)

Other Different International Standards:

 JIS E Standard(jis37A JISCR73 JISCR100)

 UIC Standard (uic50, uic54, uic60)

 DIN Standard (A45, A55, A65, A75, A120)

 ASTM/AREMA Standard, BS Standard, and etc.

American standard steel rail

ASCE25; ASCE30; ASCE40; ASCE60; ASCE75; ASCE85;90RA;115RE;136RE;175LBs

BS Standard steel Rail:

50O;60A;75A;75R;80A;80R;90A;100A;113A

UIC 860 Standard steel Rail

UIC54; UIC60;

South Africa standard steel rail:

15KG;22KG;30KG;40KG;48KG;57KG

JIS Standard steel Rail:

JIS15KG;JIS22KG;JIS30a;JIS37A;JIS50N;CR73;CR100;

EN Standard steel Rail:

49E1;49E2;50E1;50E2;50E4;50E5;50E6;54E1;54E2;54E3;55E1;60E1

Australian standard steel rail

31KG; 47KG; 50KG; 60KG; 68KG; 73KG;86KG; 89KG;

Indian Standard Steel Rail,

ISCR50; ISCR60; ISCR70; ISCR8 0; ISCR100; ISCR120;

DIN Standard Steel Rail

A65;A75;A100;A120