ASTM A193 B8 Bolts

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ASTM A193 B8 Bolts Manufacturer Supplier & Exporter in Christchurch, New Zealand.

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Our firm focuses on providing a varied selection of ASTM A193 B8 Bolts, procured from trusted suppliers celebrated for their proficiency in producing premium alloy steel goods. These stud bolts play a vital role in firmly securing multiple components, and come in an extensive range of sizes, grades, and industry standards to serve a wide spectrum of client needs. Highly regarded in fields like construction and engineering, our top-tier ASTM A193 B8 Bolts are valued for their outstanding resistance to corrosion and wear. By employing specialized alloys along with strict heat treatment procedures, these stud bolts are designed to boost their hardenability, guaranteeing uniform mechanical properties throughout their whole structure.

ASTM A193 B8 Bolts Specifications

Material	Specification	Standards	Size	Length
ASTM A193 B8 Bolt	IS BS ASTM	DIN, ISO, JIS, GB, IS, BS, ASTM	M 02 to M 160	3 mm to 200 mm

Mechanical Properties of ASTM A193 B8 Bolts

Grade	Size	Tensile ksi, min	Yield, ksi, min	Elong, %, min	RA % min
B7	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
B8 Class 1	All	75	30	30	50
B8M Class 1	All	75	30	30	50
B8 Class 2	Up to 3/4	125	100	12	35
	7/8 – 1	115	80	15	35
	1-1/8 – 1-1/4	105	65	20	35
	1-3/8 – 1-1/2	100	50	28	45
B8M Class 2	Up to 3/4	110	95	15	45
	7/8 – 1	100	80	20	45
	1-1/8 – 1-1/4	95	65	25	45
	1-3/8 – 1-1/2	90	50	30	45

ASTM A193 B8 Bolts Chemical Composition

Element	B7	B8	B8M
Carbon	0.37 – 0.49%	0.08% max	0.08% max
Manganese	0.65 – 1.10%	2.00% max	2.00% max
Phosphorus, max	0.035%	0.045%	0.045%
Sulfur, max	0.040%	0.030%	0.030%
Silicon	0.15 – 0.35%	1.00% max	1.00% max
Chromium	0.75 – 1.20%	18.0 – 20.0%	16.0 – 18.0%
Nickel		8.0 – 11.0%	10.0 – 14.0%
Molybdenum	0.15 – 0.25%		2.00 – 3.00%

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Top ASTM A193 B8 Bolts Manufacturing Company in Auckland

At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge production facilities strategically situated in the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.

Reach out to us for a fast quote tailored to your requirement.

We supply these ASTM A193 B8 Bolts in accordance with DIN, ISO, JIS or ANSI Standard.

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Advantages of ASTM A193 B8 Bolts

Corrosion Resistance: ASTM A193 B8 bolts are manufactured from Type 304 stainless steel, which delivers outstanding resistance to corrosion, particularly in settings where moisture and corrosive agents exist.
Temperature Resistance: They display good resistance to temperature, which makes them appropriate for uses where contact with heat or extreme cold is a concern.
Strength and Durability: Type 304 stainless steel bolts are recognized for their strength and durability, which guarantees dependable performance under challenging conditions.
Versatility: These bolts work well for a broad variety of applications throughout industries such as construction, automotive, marine, and industrial equipment where durability and corrosion resistance are essential.
Cost-effectiveness: Although stainless steel bolts may carry a higher upfront cost than carbon steel, their durability and lower maintenance requirements frequently render them more economical over the long run.

Types of ASTM A193 B8 Bolts

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ASTM A193 B8 Bolts Uses

Application Industry

ASTM A193 B8 Bolts serve applications as varied as the industries that rely on them, led chiefly by the aerospace, railway, construction and automotive industries along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.

Automotive Industry

Construction Sector

Aerospace Applications

Oil and Gas Industry

Are ASTM A193 B8 Bolts Susceptible to galvanic corrosion?

ASTM A193 B8 bolts, manufactured from stainless steel (type 304), are susceptible to galvanic corrosion when combined with dissimilar metals in electrolytic conditions. To reduce this risk, choosing appropriate materials and applying insulation or protective coatings are advised.

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