SAE ARP1631-1984 Manufacturing Sequence for Fabrication of High- Strength Steel Parts 300M or 4340 Modified Low-Alloy Steels 270@000 psi (1860 MPa) Tensile Strength and Higher
2018SAE ARP1631A-2018 Manufacturing Sequence for Fabrication of High-Strength Steel Parts 300M or 4340 Modified Low-Alloy Steels 270,000 psi (1860 MPa) Tensile Strength and Higher
2007SAE ARP1631A-2007 Manufacturing Sequence for Fabrication of High-Strength Steel Parts 300M or 4340 Modified Low-Alloy Steels 270,000 psi (1860 MPa) Tensile Strength and Higher
1984SAE ARP1631-1984 Manufacturing Sequence for Fabrication of High- Strength Steel Parts 300M or 4340 Modified Low-Alloy Steels 270@000 psi (1860 MPa) Tensile Strength and Higher