# Steel

Manufacturing reference articles in Steel.

[Manufacturing Wiki](https://planar.so/wiki/index.md)

- [A2 tool steel](https://planar.so/wiki/materials/steel/a2-tool-steel.md): Air-hardening cold-work tool steel: grade identity, producer conditions, hardness and dimensional tradeoffs, and fabrication qualification.
- [ASTM A36 structural steel](https://planar.so/wiki/materials/steel/astm-a36-structural-steel.md): Carbon structural shapes, plate and bars: specification scope, bounded plate properties, fabrication and certification.
- [ASTM A500 Grade C tubing](https://planar.so/wiki/materials/steel/astm-a500-grade-c-tubing.md): Cold-formed structural tubing: edition-specific strength, nominal versus design wall thickness, procurement and fabrication boundaries.
- [ASTM A514 plate](https://planar.so/wiki/materials/steel/astm-a514-plate.md): Quenched-and-tempered structural alloy plate: grade and thickness requirements, producer-specific fabrication guidance and inspection boundaries.
- [ASTM A572 Grade 50 steel](https://planar.so/wiki/materials/steel/astm-a572-grade-50-steel.md): High-strength low-alloy structural steel: Grade 50 plate examples, thickness and certification boundaries, fabrication and selection.
- [D2 tool steel](https://planar.so/wiki/materials/steel/d2-tool-steel.md): Air-hardening cold-work tool steel: abrasive-wear selection, condition-specific properties, heat treatment and finishing controls.
- [EN DC01 sheet steel](https://planar.so/wiki/materials/steel/en-dc01-sheet-steel.md): Cold-rolled forming sheet: thickness-dependent mechanical limits, surface and ageing requirements, and procurement boundaries.
- [EN DX51D coated steel](https://planar.so/wiki/materials/steel/en-dx51d-coated-steel.md): Cold-forming coated flat steel: DX51D base grade, metallic-coating designation, mass/test basis, surface condition and standard-edition control.
- [EN S235JR steel](https://planar.so/wiki/materials/steel/en-s235jr-steel.md): Non-alloy structural steel: thickness-dependent strength, JR impact designation, product declarations and delivery boundaries.
- [EN S275JR steel](https://planar.so/wiki/materials/steel/en-s275jr-steel.md): Non-alloy structural steel: thickness-dependent strength, JR impact-test scope, delivery conditions and procurement boundaries.
- [EN S355JR steel](https://planar.so/wiki/materials/steel/en-s355jr-steel.md): Non-alloy structural steel: product-specific strength, JR impact qualifications, delivery condition and fabrication boundaries.
- [H13 tool steel](https://planar.so/wiki/materials/steel/h13-tool-steel.md): Chromium-molybdenum-vanadium hot-work steel: product quality, heat-treatment evidence, tooling selection and repair limits.
- [M2 high-speed steel](https://planar.so/wiki/materials/steel/m2-high-speed-steel.md): Molybdenum-tungsten high-speed tool steel: product identity, supplied condition, heat-treatment evidence and cutting-tool qualification.
- [O1 tool steel](https://planar.so/wiki/materials/steel/o1-tool-steel.md): Oil-hardening cold-work tool steel: product identity, condition-dependent properties, heat treatment and dimensional control.
- [P20 mold steel](https://planar.so/wiki/materials/steel/p20-mold-steel.md): Prehardened mold-steel selection: P20 versus producer modifications, supplied hardness, section effects and finishing requirements.
- [S7 tool steel](https://planar.so/wiki/materials/steel/s7-tool-steel.md): Shock-resisting tool steel: product identification, heat-treatment response, dimensional allowances and tooling selection limits.
- [SAE 1008 steel](https://planar.so/wiki/materials/steel/sae-1008-steel.md): Low-carbon steel chemistry designation: product-form differences, supplier chemistry windows, strip tempers and qualification.
- [SAE 1010 steel](https://planar.so/wiki/materials/steel/sae-1010-steel.md): Low-carbon steel chemistry designation: supplier analysis limits, product route, strip tempers and qualification requirements.
- [SAE 1018 steel](https://planar.so/wiki/materials/steel/sae-1018-steel.md): Low-carbon steel chemistry versus product condition: hot-rolled and cold-finished bar, estimated properties, carburizing and procurement limits.
- [SAE 1020 steel](https://planar.so/wiki/materials/steel/sae-1020-steel.md): Low-carbon steel identification, product-specific chemistry, hot-rolled versus cold-finished properties, and fabrication and purchasing limits.
- [SAE 1045 steel](https://planar.so/wiki/materials/steel/sae-1045-steel.md): Medium-carbon engineering steel: chemistry identity, condition-specific bar properties, hardenability and surface-treatment limits.
- [SAE 1144 steel](https://planar.so/wiki/materials/steel/sae-1144-steel.md): Resulfurized medium-carbon bar steel: chemistry, cold drawing and stress relief, A311 requirements and named-product boundaries.
- [SAE 1215 steel](https://planar.so/wiki/materials/steel/sae-1215-steel.md): Free-machining carbon steel: chemistry, bar condition, size-dependent properties and the limits of machining-led material selection.
- [SAE 12L14 steel](https://planar.so/wiki/materials/steel/sae-12l14-steel.md): Leaded free-machining carbon steel: chemistry, cold-finished bar properties, joining limitations and process handling.
- [SAE 4130 steel](https://planar.so/wiki/materials/steel/sae-4130-steel.md): Chromium-molybdenum alloy steel: chemistry, product and supply-condition distinctions, bounded sheet data and fabrication qualification.
- [SAE 4140 steel](https://planar.so/wiki/materials/steel/sae-4140-steel.md): Chromium-molybdenum alloy steel: chemistry versus condition, section-dependent properties, hardenability requirements and fabrication limits.
- [SAE 4340 steel](https://planar.so/wiki/materials/steel/sae-4340-steel.md): Nickel-chromium-molybdenum alloy steel: chemistry, product quality, section-dependent heat treatment and the limits of strength and hardenability data.
- [SAE 8620 steel](https://planar.so/wiki/materials/steel/sae-8620-steel.md): Nickel-chromium-molybdenum case-hardening steel: chemistry, supplied condition, case/core requirements and procurement limits.