ASTM A193 B7 Threaded Rods

Standard: ASTM A193 / ASME SA193 Grade B7

• Material: 4140/4142 (Cr-Mo) alloy steel QT treated
• Rm min: 862 MPa (Ø ≤ 2½")
• Yield strength min: 724 MPa
• Operating temperature: up to 450°C
• Metric thread M12 to M42 — standard ISO pitch
• Lengths: 60 mm to 1000 mm
• ⚠️ Price includes 2 nuts (except 1 m lengths)

Available Surface Treatments

• Electro-zinc plating (ISO 4042) — 5 to 12 μm
• Hot-dip galvanizing (ISO 10684) — 40 to 60 μm — ⚠️ re-tapping required
• Phosphating + oiling (ISO 9717) — indoor use

For any item not listed in the shop, please contact us.