Corrosion and Heat Resistant and Heat-Strength High Alloy Steels and Alloys Brand and Technical Requirements (2)
1 Scope
This Standard specifies the brand, chemical composition and mechanical properties of corrosion and heat-resistant and heat-strength high alloy steels and alloys.
2 Normative References
The following documents are essential to the application of this Standard:
GB/T 228 Metallic Materials Tensile Testing Method at Room Temperature
GB/T 700 Carbon Structural Steels
GB/T 1591 High-strength Low-alloy Structural Steels
GB/T 2975 Steel and Steel Products - Location and Preparation of Test Pieces for Mechanical Testing
GB/T 4336 Standard Test Method for Spark Discharge Atomic Emission Spectrometric Analysis of Carbon and Low-Alloy Steel
GBT 578 Test Method for Impact Testing of Metals with Low Temperature Charpy-V Specimen
GB/T 5889 Test Method for Atmospheric Corrosion Test of Metallic Materials by Means of Neutral Salt Spray (NSS)
GB/T 9157 Methods of Macroscopic and Optical Inspection of Steel Bars for Concrete Reinforcement
3 Brand and Chemical Composition
The brands of corrosion and heat-resistance and heat-strength high alloy steels and alloys specified in this Standard are shown in Table 1. The corresponding chemical compositions listed in Table 2.
Table 1 Brands of Corrosion and Heat-Resistance and Heat-Strength High Alloy Steels and Alloys
Brand
TD-1A, TD-1B, TD-3A, TD-3B, TD-12A, TD-12B, TD-14A, TD-14B, TDD-1, TDD-2, TDD-3, TDD-4, TDD-5, TDD-6, TDD-7, TDD-8, TDD-9, TDD-10A, TDD-10B, TDD-11A, TDD-11B, TDD-12A, TDD-12B
Table 2 Chemical Composition
Brand C Si Mn P S Cr Ni Mo Ti Al Co
TD-1A 0.15 ＜0.50 0.30～0.60 ≤0.030 ≤0.030 20.0～22.0 10.0～11.0 0.45���1.55 0.15～0.60 0.90～1.25 0.30～0.75
TD-1B 0.15～0.20 ＜0.50 0.30～0.60 ≤0.030 ≤0.030 18.5～21.5 9.0～11.0 0.45～1.55 0.15～0.60 0.90～1.25 0.30～0.75
TD-3A 0.15 0.30～0.50 0.60～0.85 ≤0.030 ≤0.030 19.0～21.0 10.0～12.0 0.45～1.65 0.15～0.60 0.90～1.25 0.30～0.75
TD-3B 0.15～0.20 0.30～0.50 0.60～0.90 ≤0.030 ≤0.030 18.0～21.0 9.5～11.5 0.45～1.65 0.15～0.60 0.90～1.25 0.30～0.75
TD-12A 0.15 ＜0.50 0.50～0.70 ≤0.030 ≤0.030 25.0～28.0 13.5～15.5 0.45～1.55 0.15～0.60 0.90～1.25 0.30～0.75
TD-12B 0.15～0.20 ＜0.50 0.50～0.70 ≤0.030 ≤0.030 23.5～27.5 12.0～15.0 0.45～1.55 0.15～0.60 0.90～1.25 0.30～0.75
TD-14A 0.15 ＜0.50 0.50～0.70 ≤0.030 ≤0.030 28.0～31.0 15.0～17.0 0.45～1.55 0.15～0.60 0.90～1.25 0.30～0.75
TD-14B 0.15～0.20 ＜0.50 0.50～0.70 ≤0.030 ≤0.030 26.5～29.5 13.5～16.5 0.45～1.55 0.15～0.60 0.90～1.25 0.30～0.75
TDD-1 0.15 ＜0.50 0.30～0.70 ≤0.030 ≤0.030 19.5～22.5 9.0～10.5 0.45～1.60 0.15～0.75 0.90～1.25 0.30～0.75
TDD-2 0.15 ＜0.50 0.80～1.10 ≤0.030 ≤0.030 21.0～23.0 11.0～12.5 0.45～1.60 0.15～0.75 0.90～1.25 0.30～0.75
TDD-3 0.15 ＜0.50 0.60～0.90 ≤0.030 ≤0.030 23.5～27.5 11.5～14.5 0.45～1.60 0.15～0.75 0.90～1.25 0.30～0.75
TDD-4 0.10 ＜0.50 0.30～
