hook-head spike railway system

Product Description

The technical requirements of different grades are as following:
Grade description (technical requirements) of ASTM
1. AREA **1.4 in ***1 class 2 (ASTM ***3 Class2)
①Tensile strength (PSI)≥**0MPa
②Yield strength≥**2MPa
③Elongation2"≥*2%
④Reduction of cross section≥*5%
⑤Requirements of cold blending: *5°, no cracking. Diameter of blending core= diameter of screw
⑥Raw material: *5#, *5#, *0MnTiB, etc
 
2. AREA ***1 standard Strength Grade：SAE J**9 Class 5
①1/4"~1" Tensile strength (PSI)≥**8Mpa, Yield strength≥**5MPa;
②>1"~**1/2" Tensile strength (PSI)≥**5Mpa, Yield strength≥**9MPa;
③Elongation2"≥*4%
④Reduction of cross section≥*5%
⑤Requirements of cold blending: *5°, no cracking.
Diameter of blending core= diameter of screw
⑥Surface hardness: HRC: size of 1/4～1"≤*4; size of >1"~**1/2"≤*0;
⑦Core hardness: HRC: size of 1/4～1": *5~*4; size of >1"~**1/2"≤*0
(no requirements with the minimum hardness when examination);
⑧Raw material: *5#, *0MnTiB, *0Cr, etc
3. AREA ***1 standard Strength Grade：SAE J**9 Class 8
①Tensile strength (PSI)≥***5.2MPa
②Yield strength≥**7.2MPa
③Elongation2"≥*2%
④Reduction of cross section≥*5%
⑤Requirements of cold blending: *5°no cracking.
Diameter of blending core= diameter of screw
⑥Surface hardness: HRC:≤*9;
⑦Core hardness: HRC: *3~*9;
(no requirements with the minimum hardness when examination);
⑧Raw material: *5#, *5CrMo, *2CrMo, etc
 
Grade description (technical requirements) of GB, DIN, ISO
1. Grade: Class 4.6
①Raw material: Q**5, Q**5, *0#
②Mechanical capacity:
Tensile strength (PSI)≥**0MPa
Yield strength≥**0MPa
Elongation≥*2%
Brinell Hardness HB******9
2. Grade: Class 4.8
①Raw material: Q**5, Q**5
②Mechanical capacity:
Tensile strength (PSI)≥**0MPa
Yield strength≥**0MPa
Brinell Hardness HB******9
3. Grade: Class 5.6
①Raw material: *5# Q**5B（*6Mn）
②Mechanical capacity:
Tensile strength (PSI)≥**0MPa
Yield strength≥**0MPa
Elongation≥*0%
Brinell Hardness HB******9
4. Grade: Class 5.8
①Raw material: *5#, *5#
②Mechanical capacity:
Tensile strength (PSI)≥**0MPa
Yield strength≥**0MPa
Brinell Hardness HB******9
5. Grade: Class 6.8
①Raw material: *5#
②Mechanical capacity:
Tensile strength (PSI)≥**0MPa
Yield strength≥**0MPa
Brinell Hardness HB******8
6. Grade: Class 8.8
①Raw material: *5# *0Cr *0MnTiB
②Mechanical capacity:
A) Diameter≤*6
Tensile strength (PSI)≥**0MPa
Yield strength≥**0MPa
Elongation≥*2%
Reduction of cross section≥*2%
Rockwell hardness HRC****2
Brinell Hardness HB******4
B) Diameter＞*6
Tensile strength (PSI)≥**0Mpa
Yield strength≥**0MPa
Elongation≥*2%
Reduction of cross section≥*2%
Rockwell hardness HRC****4
Brinell Hardness HB******8
7. Grade: Class *0.9
①Raw material: *0Cr, *0MnTiB, *5CrMo, *2CrMo
②Mechanical capacity:
Tensile strength (PSI)≥***0MPa
Yield strength≥**0MPa
Elongation≥9%
Reduction of cross section≥*8%
Rockwell hardness HRC****9
Brinell Hardness HB******1
 
Besides, we can offer five different surface treatments as following:
1. Black coating.
2. Plating white zinc or yellow zinc (color-zinc).
Salt spray test time：*2 hours, non-rusting
3. Hot galvanizing.
Salt spray test time：**0 hours, **0hours, **0hours, non-rusting
4. Dacromet.
Salt spray test time：**0 hours, **0hours, **0hours, ***0hours, non-rusting
5. Black electric melting.
Salt spray test time：**0 hours, **0hours, **0hours, ***0hours, non-rusting
For any non-standard railway parts, if you provide us with drawings or samples,
we can manufacture according to your requirements. We are sincerely waiting for your enquiry.
Grade description (technical requirements) of ASTM
1. AREA **1.4 in ***1 class 2 (ASTM ***3 Class2)
①Tensile strength (PSI)≥**0MPa
②Yield strength≥**2MPa
③Elongation2"≥*2%
④Reduction of cross section≥*5%
⑤Requirements of cold blending: *5°, no cracking. Diameter of blending core= diameter of screw
⑥Raw material: *5#, *5#, *0MnTiB, etc
2. AREA ***1 standard Strength Grade：SAE J**9 Class 5
①1/4"~1" Tensile strength (PSI)≥**8Mpa, Yield strength≥**5MPa;
②>1"~**1/2" Tensile strength (PSI)≥**5Mpa, Yield strength≥**9MPa;
③Elongation2"≥*4%
④Reduction of cross section≥*5%
⑤Requirements of cold blending: *5°, no cracking.
Diameter of blending core= diameter of screw
⑥Surface hardness: HRC: size of 1/4～1"≤*4; size of >1"~**1/2"≤*0;
⑦Core hardness: HRC: size of 1/4～1": *5~*4; size of >1"~**1/2"≤*0
(no requirements with the minimum hardness when examination);
⑧Raw material: *5#, *0MnTiB, *0Cr, etc
 
3. AREA ***1 standard Strength Grade：SAE J**9 Class 8
①Tensile strength (PSI)≥***5.2MPa
②Yield strength≥**7.2MPa
③Elongation2"≥*2%
④Reduction of cross section≥*5%
⑤Requirements of cold blending: *5°no cracking.
Diameter of blending core= diameter of screw
⑥Surface hardness: HRC:≤*9;