Based in the industrial heart of Hamilton, Latham Steel has built a strong reputation as a trusted local source for high-grade fastening solutions. We understand that when you need Alloy Steel Grade B7M bolts, you’re dealing with demanding applications where reliability is non-negotiable. Our team is dedicated to providing not just a product, but a dependable partnership, ensuring you have access to the right materials that meet rigorous specifications and support the integrity of your critical projects right here in New Zealand.
The composition of these bolts is a carefully balanced alloy, primarily chromium and molybdenum, which gives them their notable strength. However, the key characteristic of Grade B7M is its controlled maximum hardness. This specific balance of excellent tensile strength and a tempered hardness makes it uniquely suited to resist stress corrosion cracking, a common failure point in challenging environments. This combination ensures they maintain their integrity under sustained loads without becoming brittle.
| Specifications | : | ASTM A 193 ASME SA 193 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to B7M mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts |
| Alloy Steel B7M | C | Mn | P | S | Si | Cr | Mo |
| 0.37-0.49 | 0.65-1.10 | 0.035 Max | 0.04 Max | 0.15-0.35 | 0.75-1.20 | 0.15-0.25 |
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min |
|---|---|---|---|---|---|
| B7M | Up to 2-1/2 | 125 | 105 | 16 | 50 |
| 2-5/8 – 4 | 115 | 95 | 16 | 50 | |
| 4-1/8 – 7 | 100 | 75 | 18 | 50 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Jaxon Steel is a trusted manufacturer and supplier of high-quality Alloy Steel Gr B7M Bolts​ in Hamilton, New Zealand. We specialize in premium steel products, including Alloy Steel, Carbon Steel, Mild Steel and Galvanized Steel, with a strong focus on Carbon Steel Sheet and Plates. Our extensive inventory also includes Pipes, Tubes, Flanges, Forged Fittings and Bars. Committed to fast delivery and exceptional customer service, we use only the finest raw materials to ensure superior strength, durability and performance for critical industrial applications. Contact us today for all your Alloy Steel Gr B7M Bolts​ needs!
You’ll typically find Grade B7M bolts hard at work in some of the most demanding industrial settings. They are essential in petrochemical plants, power generation facilities, and high-pressure piping systems where elevated temperatures and corrosive elements are a constant challenge. Their primary role is to securely join flanges and critical components in systems that simply cannot afford to fail, providing the peace of mind that comes with a fastener engineered for safety and long-term performance in tough conditions.
Latham Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Hamilton, New Zealand.
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