Chemical Composition of GPH Rebar:
|
Name of Elements |
Grade-wise percent constituents |
||
|
|
GPH TMT 500W |
GPH G60-400 |
GPH G40-300W |
|
Carbon(C) |
0.15-0.25 |
0.20-0.33 |
0.15-0.25 |
|
Manganese (Mn) |
0.75-0.90 |
1.00-1.65 |
0.75-0.90 |
|
Silicon (Si) |
0.25 Max |
0.25 Max |
0.25 Max |
|
Sulfur(S) |
0.05Max |
0.05 Max |
0.05Max |
|
Phosphorus (P) |
0.04 Max |
0.05 Max |
0.04 Max |
|
Copper(Cu) |
0.20 Max |
0.25 Max |
0.20 Max |
All other tramp elements are kept near traces.
The above chemical composition confirms the following AISI-SAE Standards:
|
AISI-SAE Standard Carbon Steel Composition(Grade 60-400) |
|||||
|
AISI-SAE Number |
UNS Number |
Composition |
|||
|
C |
Mn |
P(max)** |
S(max)** |
||
|
Nonresulfurized Grades — Over 1 per cent Mn |
|||||
|
1522 |
G15220 |
0.18–0.24 |
1.10–1.40 |
0.040 |
0.050 |
|
1524 |
G15240 |
0.19–0.25 |
1.35–1.65 |
0.040 |
0.050 |
|
1526 |
G15260 |
0.22–0.29 |
1.10–1.40 |
0.040 |
0.050 |
|
1527 |
G15270 |
0.22–0.29 |
1.20–1.50 |
0.040 |
0.050 |
|
AISI-SAE Standard Carbon Steels Composition(Grade 40-300 & TMT 72.5-500) |
||||||||
|
AISI-SAE Number |
UNS Number |
Composition |
||||||
|
C |
Mn |
P(max) |
S(max) |
|||||
|
Nonresulfurized Grades — 1 per cent mn (max) |
||||||||
|
1018 |
G10180 |
0.15–0.20 |
0.60–0.90 |
0.04 |
0.05 |
|||
|
1019 |
G10190 |
0.15–0.20 |
0.70–1.00 |
0.04 |
0.05 |
|||
|
1021 |
G10210 |
0.18–0.23 |
0.60–0.90 |
0.04 |
0.05 |
|||
|
1022 |
G10220 |
0.18–0.23 |
0.70–1.00 |
0.04 |
0.05 |
|||
Standards of Chemical Composition: AISI/SAE Identification Number Chart:
The following is a simplified general AISI/SAE Steel Identification Number Chart. The values on the left-most column are the approximate material content amounts.
|
Carbon Steels |
10XX |
Plain carbon, Mn 1.00% max |
|
|
11XX |
Resulfurized free machining |
||
|
12XX |
Resulfurized - Rephosphorized free machining |
||
|
15XX |
Plain carbon, Mn 1.00-1.65% |
||
|
Manganese Steel |
13XX |
Mn 1.75% |
|
|
Nickel Steels |
23XX |
Ni 3.50% |
|
|
25XX |
Ni 5.00% |
||
|
Nickel-Chromium Steels |
31XX |
Ni 1.25%, Cr .65-.80% |
|
|
32XX |
Ni 1.75%, Cr 1.07% |
||
|
33XX |
Ni 3.50%, Cr 1.50-1.57% |
||
|
34XX |
Ni 3.00%, Cr .77% |
||
|
Molybdenum Steels |
40XX |
Mo .20-.25% |
|
|
44XX |
Mo .40-.52% |
||
|
Chromium-Molybdenum Steels |
41XX |
Cr .50-.95%, Mo .12-.30% |
|
|
Nickel-Chromium-Molybdenum Steels |
43XX |
Ni 1.82%, Cr .50-.80%, Mo .25% |
|
|
47XX |
Ni 1.05%, Cr .45%, Mo .20-.35% |
||
|
Nickel-Molybdenum Steels |
46XX |
Ni .85-1.82%, Mo .20-.25% |
|
|
48XX |
Ni 3.50%, Mo .25% |
||
|
Chromium steels |
50XX |
Cr .27-.65% |
|
|
51XX |
Cr .80-1.05% |
||
|
50XXX |
Cr .50%, C 1.00% min |
||
|
51XXX |
Cr 1.02%, C 1.00% min |
||
|
52XXX |
Cr 1.45%, C 1.00% min |
||
|
Chromium-vanadium steels |
61XX |
Cr .60-.95%, V .10-.15% |
|
|
Tungsten-chromium steels |
72XX |
W 1.75%, Cr .75% |
|
|
Nickel-chromium-molybdenum steels |
81XX |
Ni .30%, Cr .40%, Mo .12% |
|
|
86XX |
Ni .55%, Cr .50%, Mo .20% |
||
|
87XX |
Ni .55%, Cr .50%, Mo .25% |
||
|
88XX |
Ni .55%, Cr .50%, Mo .35% |
||
|
Silicon-manganese steels |
92XX |
Si 1.40-2.00%, Mn .65-.85%, Cr 0-.65% |
|
|
Nickel-chromium-molybdenum steels |
93XX |
Ni 3.25%, Cr 1.20%, Mo .12% |
|
|
94XX |
Ni .45%, Cr .40%, Mo .12% |
||
|
97XX |
Ni .55%, Cr .20%, Mo .20% |
||
|
98XX |
Ni 1.00%, Cr .80%, Mo .25% |
||
|
Stainless Steels |
SAE |
AISI |
- |
|
Chromium–Manganese–Nickel Steels |
302xx |
2xx |
- |
|
Chromium–Nickel Steels |
303xx |
3xx |
- |
|
Chromium Steels |
514xx |
4xx |
- |
|
Chromium Steels |
515xx |
5xx |
- |
