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Threaded Rods & Studs › Double-End & Tap-End Studs

ANSI/ASTM A453 Gr660 Stud Bolt

Updated 2026-11-04 · Markdown version

Model no. A453-GR660

US$0.60 / piece

MOQ 100 pieces · Final price confirmed in your quote

Customized: Customized
Steel Grade: 3.6\4.6\4.8\5.6\6.8\8.8\9.8\10.9\12.9
Material: Nickel Base Alloy
Grade: A
Standard: ASME,BS,DIN,ISO,UNI,DIN-EN, etc
Stud bolt Material: :
Standard: ASME,BS,DIN,ISO,UNI,DIN-EN, etc.
Thread Type: Fully Threaded Hex Bolts,Partial Threaded Hex Bolts, Metric Hex Bolts, Imperial Hex BoltsF), Raised Face (RF), Ring Type Joint (RTJ)

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Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

Specifications

Model NO.	A453-GR660
Certification	ISO, CE
Customized	Customized
Steel Grade	3.6\4.6\4.8\5.6\6.8\8.8\9.8\10.9\12.9
Transport Package	Playwood Box, Wooden Case
Origin	China
Production Capacity	100tons/Month
Customization	Available
Material	Nickel Base Alloy
Grade	A
Dimension	3/8in to 6in
Standard	ASME,BS,DIN,ISO,UNI,DIN-EN, etc
Inspection	MT, PT,UT,VT etc
Feature	Stock regular sizes, CNC machining as per drawing,PTFE ,coating , Xylan fluoropolymer coat,OEM service, Customized thread available.
If required to achieve properties, second age	1200 +/- 25°F [650 +/- 14°C], air cool
Note	The combination bar specimen shall be tested continuously at the temperature and at the minimum stress specified or at a greater stress and shall rupture in a time not less than than specified.
Stud bolt Material	:
Dimensions	Metric Size M10 to M100 Imperial Size 3/8 to 8″, etc.
Standard	ASME,BS,DIN,ISO,UNI,DIN-EN, etc.
Thread Type	Fully Threaded Hex Bolts,Partial Threaded Hex Bolts, Metric Hex Bolts, Imperial Hex BoltsF), Raised Face (RF), Ring Type Joint (RTJ)
Category	Double-End & Tap-End Studs

Technical parameters

Property	Description
Class A	…
Class B	…
Class C	…
Class D	…

Element	Content %
Grade 660 UNS S66286
Carbon	0.08 max
Manganese	2.00 max
Phosphorus	0.04 max
Sulfur	0.03 max
Silicon	1.00 max
Nickel	24.00 - 27.00
Chromium	13.50 - 16.00
Molybdenum	1.00 - 1.50
Titanium	1.90 - 2.35
Aluminum	0.35 max
Vanadium	0.10 - 0.50
Boron	0.001 - 0.010

Grade	Class	Tensile Strength	Yield Strength	Elongation in 4D, min, %	Reduction of Area, min, %	Brinell Hardness Number	Approximate Rockwell Hardness, B & C
Ksi	Mpa	Ksi	Mpa	min	max
Grade 660	A, B and C	130	895	85	585	15	18	248-341	24 HRC	37 HRC
Grade 660	D	130	895	105	725	15	18	248-341	24 HRC	35 HRC

Grade	Class	Solution Treatment	Hardening Treatment
Grade 660	A	1650 +/- 25° F [900 +/- 14°C], hold 2 hr, min and liquid quench	1325 +/- 25° F [720 +/- 14°C], hold 16 hr, air cool
Grade 660	B	1800 +/- 25° F [980 +/- 14°C], hold 1 hr, min and liquid quench	1325 +/- 25° F [720 +/- 14°C], hold 16 hr, air cool
Grade 660	C	1800 +/- 25° F [980 +/- 14°C], hold 1 hr, min and oil quench	1425 +/- 25° F [775 +/- 14°C], hold 16 hr, air cool, followed by 1200 +/- 25°F [650 +/- 14°C], air cool
Grade 660	D	1650 +/- 25° F [900 +/- 14°C], hold 2 hr, min and liquid quench 1800 +/- 25° F [980 +/- 14°C], hold 1 hr, min and liquid quench	1325 +/- 25° F [720 +/- 14°C], hold 16 hr, air cool, If required to achieve properties, second age: 1200 +/- 25°F [650 +/- 14°C], air cool

Grade	Class	Test Temperature	Stress, Min	Time to Rupture, min, hA	Elongation, min, %
°F	°C	Ksi	Mpa
Grade 660	A, B and C	1200	650	56	385	100	5

Grade	Class A	Class B	Class C	Class D
Grade 660	BPF 660A	BPF 660B	BPF 660C	BPF 660D NR

Description

ANSI/ASTM A453 Gr660 Stud Bolt is part of our double-end & tap-end studs range (Threaded Rods & Studs).

Key details

Standard: ASME,BS,DIN,ISO,UNI,DIN-EN, etc
Material: Nickel Base Alloy
Grade: A
Certification: ISO, CE
Steel Grade: 3.6\4.6\4.8\5.6\6.8\8.8\9.8\10.9\12.9
Dimension: 3/8in to 6in
Inspection: MT, PT,UT,VT etc
If required to achieve properties, second age: 1200 +/- 25°F [650 +/- 14°C], air cool

Available configurations include customized, steel grade, material, grade and standard. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 100 pieces at US$0.60 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

Frequently asked questions

What is the minimum order quantity (MOQ) for ANSI/ASTM A453 Gr660 Stud Bolt?

The listed minimum order is 100 pieces, at US$0.60 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

What are the main specifications of ANSI/ASTM A453 Gr660 Stud Bolt?

Standard: ASME,BS,DIN,ISO,UNI,DIN-EN, etc; Material: Nickel Base Alloy; Grade: A; Certification: ISO, CE; Steel Grade: 3.6\4.6\4.8\5.6\6.8\8.8\9.8\10.9\12.9; Dimension: 3/8in to 6in. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include customized, steel grade, material, grade and standard. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

Which other double-end & tap-end studs are available?

The Double-End & Tap-End Studs category lists 3,053 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/threaded-rods-studs/double-end-tap-end-studs/

How we work

Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

DIN, ISO, ASTM, ANSI, JIS and GB standard parts
Non-standard parts made to your drawing
Dimensions, thread gauges and plating checked before packing
Export cartons and pallets, consolidated mixed orders
Samples available for approval before mass production

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