| Customization: | Available |
|---|---|
| Material: | Nickel Base Alloy |
| Type: | Round Head |
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ASTM A453 Grade 660 is a material specification for studs bolts, nuts and hex nuts other fasteners, intended for use in high temperature bolting applications. There are four Classes for ASTM A453 Grade 660: A453 GR.660A , A453 GR.660B ,A453 GR.660C ,A453 GR.660D, each designated with different tensile and stress rupture properties. A453 Grade 660 fasteners are used in bolting boilers, pressure vessels, pipeline flanges and valves, intended for high temperature service. ASTM A453 grade 660 material is chemically equivalent to ASTM B638 grade 660 stainless steel alloy, also known by alloy A286 and UNS S66286, heat treated to achieve properties defined in ASTM A453 specification.
ASTM A453 Grade 660 stud bolt is a precipitation hardening austenitic stainless steel widely used for high temperature fastening and bolting materials. Its relatively high nickel content for a stainless steel means that is sometimes categorized as a nickel alloy. The grade is commonly used for operating temperatures up to 700°C (1300°F).
We are professional A453 Grade 660 Stud bolt and ASTM A453 Gr 660 Hex nuts manufacturer and exporter in China.
Material Grade in A453: Grade 660 /S66286 ,Grade 651/S63198 ,Grade 662 /S66220 ,Grade665 /S66545 ,Grade668 /S66285.
| STANDARDS | ASTM A 453 |
| CLASS: | GR.660 A, B , C & D |
| MOC: | UNS 66286/ ALLOY A286 |
| DIMENSIONS: | ASME B18.2.1 , ASME B18.3 |
| THREADS INCHES: | ASME B1.1 2A/3A UNIFIED THREADS |
| ADDITIONAL REQUIREMENTS: | NACE MR0103/MR0175/ISO 15156 COMPLIANCE |
ASTM A453 Grade 660 Studs Bolt and ASTMA453 GR.660 Hex Nuts:
ASTM A453 Grade 660 stud bolt is a precipitation hardening, austenitic stainless steel designed for use at temperatures up to 1300°F (704°C), where high tensile strength, excellent creep strength and good corrosion resistance are required.
ASTM A453 grade 660 B stud bolt (Alloy 286, UNS S66286) is a specialty stainless steel. It is used in a variety of industries, including aerospace & heavy industry. Technical Threads can supply ASTM A453 grade 660B studs, bolting,
ASTM A453 660 Stud bolt,ASTM A453 grade 660 Hex bolts
Alternative Incoloy Alloy A286 (Grade 660) materials specifications available:-
Alloy A286 AMS 5731 AMS 5732 AMS 5734 AMS 5737 AMS 5726
AMS 5853 AMS 5895 EN 2399 SPS M-118
NACE MR-0175 Fairchild MS 301, 314 Elliott Turbine MS 618 Weatherford WS-881
Cameron MS-003030
ASTM A891 (Type 1, 2)
ASTM A638 (Grade 660 Type 1, 2)
ASTM A453 (Grade 660 Class A, B, C, D)
ASTM A 453 GR 660 STUDBOLTS SPECIFICATION
| Material | Dimensions | Standards | Size | Length |
| ASTM A 453 GR 660 Stud bolts | ASME B18.2.1, B18.3 | ASTM, ASME | M 02 to M 160 | 3 mm to 200 mm |
ASTM A 453_A453M Covers Specification for High temperature Bolting with expansion co-efficient comparable to Austenitic Stainless Steel. One of the commonly used is grade 660 Bolts. We produce Stud Bolts, Hex Bolts ,Expansion bolts,threaded rods etc as per A453 Grade 660 in Class A/B/C/D , intended for Special Engineering Applications .
High Temperature Bolting
Grade: A453 Gr.660, Class A, B & C,D
| C | Si | Mn | P | S | Cr | Ni | Mo | Ti | Al | V | B | Fe | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | • | • | • | • | • | 13.50 | 24.00 | 1.00 | 1.90 | • | 0.10 | • | 0.00 |
| Max | 0.08 | 1.00 | 2.00 | 0.040 | 0.030 | 16.00 | 27.00 | 1.50 | 2.35 | 0.35 | 0.50 | 0.01 | 0.00 |
| 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 | |||||
| A453 Grade 660 | A, B and C | 130 | 895 | 85 | 585 | 15 | 18 | 248-341 | 24 HRC | 37 HRC |
| A453 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 |
example#
M16 *160mm ASTM A453 Gr 660 Cl. A Stud bolt and A453 Gr 660 Cl. A Hex nuts 1 1/2″ * 12inch length, 8UN, ASTM A453 Gr 660 Cl. A Stud bolt and A453 Gr 660 Cl. A nut , BOLT & NUT, 8-UN, STUD ASTM A453 GR.660 CL.B W/ TWO HEAVY HEX NUTS ASTM A453 GR.660 CL.B
ASTM A286 A453 Grade 660 B638 Stainless steel Class a/B/C/D Stud Bolt Full Thread Rod
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