ASTM B637 Round Bar

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ASTM B637 Round Bar

As a leading ASTM B637 Round Bar Manufacturer in India, we ensure consistent performance through precise manufacturing processes.

ASTM B637 Round Bar Overview

Round Bar Dia.
Hex Bar Dia.
Flat Bar Thk
Square Bar
Custom
Brands

3-600mm
3-180mm
0.5-200mm
2-200mm
Yes
Vellebruna, Kobe Steel

ASTM B637 Round Bar Standards

UNS: N07718/ N07750
WNR: 2.4668/ 2.4669
Specification: ASTM B637, ASME SB637
Trade Name: Nicrofer® 5219, Alvac® 718, Haynes® 718, Altemp® 718, Haynes X750®, Pyromet® X750, Nickelvac®X750, Nicorros® 7016

ASME SB 637 Cold Worked Nickel Alloy Bar Supplier in India for Moderate Temperature Service

ASME SB 637 Cold Worked Nickel Alloy Bar Applications

Gas turbine components
Power generation equipment
High-performance automotive parts
Petrochemical processing systems
Oil & gas tools and fasteners
Heat exchangers and pressure vessels
Aerospace structural

SB 637 Round Bar

ASME SB 637 Rod

B637 Hex Bar

Table Of Content

ASTM B637 Round Bar Specification
ASME SB 637 Rod Size Chart
ASTM B637 Round Bar Price
SB 637 Bar Documentation
ASME SB 637 Rod Surface Finishes
ASTM B637 Round Bar Types
Tolerances of B637 Round Bar
Weights of ASTM B637 Round Bar
ASME SB 637 Rod Testings
Cold-worked ASME SB 637 Rod Tolerances
ASME SB 637 Cold Worked Nickel Alloy Bar Delivery Conditions
Cold-worked ASME SB 637 Rod Equivalent Standards
Chemical Composition of B637 Round Bar
ASME SB 637 Cold Worked Nickel Alloy Bar Mechanical Properties
Room-Temperature Resistivity of Hot-Rolled ASME SB 637 Rod
ASTM B637 Bar Thermal Properties

ASTM B637 Round Bar Specification

ASTM B637 Round Bar Sizes

Diameter: 3 - 600 mm
Length: 0.5 - 6.0 meter
Custom Available

ASME SB 637 Square Bar Sizes

Side width: 2 - 200 mm
Length: 0.5 - 6.0 meter
Custom Available

B637 Flat Bar Sizes

Thickness: 0.5 - 200 mm
Width: 1.5 - 250 mm
Length: 0.5- 6.0 meter

SB 637 Hex Bar Sizes

Inscribed Diameter: 3 - 180 mm
Length:0.5 - 6.0 meter
Custom Available

ASTM B637 Bar Testing

PMI
Upset Testing
Step-Down Tests

ASME SB 637 Rod Documentation

Third Party Inspection Report
100% Radiography Test Report
MTC EN 10204 3.1

B637 Round Bar Physical Properties

Melting Point: 2370-2460° F
Density: 8.80 g/cm³
Temprature Range:up to 1000° F

SB 637 Bar Shape

Round
Square, Hex
Rectangle

ASTM B637 Round Bar Origin

American
Japanese
Indian
Korean
European

ASME SB 637 Rod Finish

Rough Turned
Polished
NO.4, Bright
Black
Pickled

ASTM B637 Bar Supply Condition

SB 637 Bar Packaging

Bubble wraps
Wooden Boxes
Custom

B637 Round Bar Marking

Nominal Size
Material Grade
Method of Manufacturing etc.

ASTM B637 Round Bar Tolerances

K9 to K12
H8 to H13

B637 Round Bar Method

Rolled
Forged

ASME SB 637 Rod Services

Shearing
Heat Treatment
Cutting

As a reputable ASTM B637 Round Bar Supplier in India, we deliver products known for their exceptional resistance to heat & corrosion.

Get Cut to Size of B637 Round Bar with Thickness Ranging From 0.5 to 3 Inches at Lowest Price

ASME SB 637 Rod Size Chart

Metric		Japanese		US Bar		ASTM/ Canadian
Diameter(mm)	Bar Size	Diam. (mm)	Bar Size	Diameter (Inch)	Bar Size	Diameter (mm2)	Bar Size
6	6	13	13	0.500	#4	300	20M
5.5	5.5	10	10	0.375	#3	200	15M
8	8	19	19	0.750	#6	700	30M
9	9	22	22	0.875	#7	1000	35M
7	7	16	16	0.625	#5	500	25M
11	11	29	29	1.125	#9	2500	55M
5	5	6	6	0.250	#2	100	10M
10	10	25	25	1.000	#8	1500	45M
14	14	35	35	1.375	#11
12	12	32	32	1.250	#10
20	20	44	44	1.750	#14
22	22	48	48	1.875	#15
16	16	38	38	1.500	#12
18	18	41	41	1.625	#13
28	28	57	57	2.250	#18
25	25	51	51	2.000	#16

Dependable ASTM B637 Round Bar Supplier with a focus on performance, safety, and innovation.

ASTM B637 Round Bar Price

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ISO9001M & ROHS Certified SB 637 Bar in Bright, Black, Grinding and Roughing Finish

SB 637 Bar Documentation

Commercial Invoice which includes HS Code
Material Traceability Records
Certificate of Origin
Heat Treatment Charts
Raw Material Test Reports
Fumigation Certificates
Quality Assurance Plan (QAP)
Test Certificates certifying NACE MR0103, NACE MR0175
Material Test Certificates (MTC) as per EN 10204 3.1 and 3.2
NABL approved Laboratory Test Reports

ASME SB 637 Rod Surface Finishes

Bright
Black
Grinding
Roughing Finish

Expert ASTM B637 Round Bar Supplier delivering excellence in both design and material strength.

ASTM B637 Round Bar Types

ASTM B637 Square Bar

ASME SB 637 Rectangular Bar

B637 Bright Bar

SB 637 Flat Bar

ASTM B637 Shaft

ASME SB 637 Billet

B637 Bloom

SB 637 Polished Bar

ASTM B637 Cold Drawn Bar

ASME SB 637 Annealed Bar

B637 Ground and Rolled Polished Bar

SB 637 Peeled Round Bars

ASTM B637 Forged Bar

ASME SB 637 Hot Rolled Bars

B637 Bar Stock

Tolerances of B637 Round Bar

Shape / Section	Size, diameter or width across flats	Permitted variation
Shape / Section	mm	mm
Round	≥6 ≦ 18 > 18 ≦ 30 > 30 ≦ 50 > 50 ≦ 80 > 80 ≦ 100	+ 0 to - 0.070 + 0 to - 0.085 + 0 to - 0.100 + 0 to - 0.120 + 0 to - 0.140
Square and hexagon	≥ 6 ≦ 18 > 18 ≦ 30 > 30 ≦ 50 > 50 ≦ 80 > 80 ≦ 105	+ 0 to - 0.090 + 0 to - 0.110 + 0 to - 0.130 + 0 to - 0.160 + 0 to - 0.250
Flat (width)	< 18 > 18 ≦ 30 > 30 ≦ 50 > 50 ≦ 80 > 80 ≦ 100 > 100 ≦ 130 > 130 ≦ 160 > 160 ≦ 320	+ 0 to - 0.110 + 0 to - 0.130 + 0 to - 0.160 + 0 to - 0.190 + 0 to - 0.220 + 0 to - 0.350 + 0 to - 1.00 + 1.00 to - 1.00
Flat (thickness)	< 18 > 18 ≦ 30 > 30 ≦ 50 > 50 ≦ 80	+ 0 to - 0.110 + 0 to - 0.130 + 0 to - 0.250 + 0 to - 0.350

Certified ASTM B637 Round Bar Stockist of high-integrity products with proven resistance to fatigue.

Weights of ASTM B637 Round Bar

Size	Kgs / Mtr	Kgs / Foot	Size	Kgs / Mtr	Kgs / Foot	Size	Kgs / Mtr	Kgs / Foot
3mm	0.055	0.017	20mm	2.470	0.753	3"	35.762	10.900
1/8"	0.062	0.019	22mm	2.979	0.908	3-1/4"	41.996	12.800
5/32"	0.095	0.029	7/8"	3.038	0.926	3-1/2"	48.772	14.850
4mm	0.098	0.030	24mm	3.543	1.080	3-3/4"	55.780	17.001
3/16"	0.141	0.043	25mm	3.871	1.180	4"	63.340	19.306
5mm	0.154	0.047	1"	3.970	1.210	4-1/4"	72.249	21.908
7/32"	0.190	0.058	26mm	4.170	1.271	4-1/2"	80.340	24.4487
6mm	0.223	0.068	27mm	4.490	1.368	4-3/4"	90.249	27.366
1/4"	0.249	0.076	1-1/8"	5.033	1.534	5"	99.940	30.461
7mm	0.298	0.091	30mm	5.548	1.691	5-1/2"	121.000	36.690
5/16"	0.387	0.118	1-1/4"	6.349	1.924	6"	143.900	43.860
8mm	0.398	0.120	32mm	6.314	1.894	6-1/2"	167.630	51.093
9mm	0.498	0.152	1-3/8"	7.550	2.303	7"	196.000	59.432
3/8"	0.557	0.170	35mm	7.553	2.390	7-1/2"	225.000	68.226
10mm	0.620	0.189	36mm	7.999	2.438	8"	254.55	77.586
11mm	0.748	0.228	38mm	8.903	2.792	10"	397.140	121.048

Offer Hot and Cold-worked ASME SB 637 Rod Tested with Tension Testing, Hardness Testing and Stress-rupture Testing

ASME SB 637 Rod Testings

Reliable ASTM B637 Round Bar Stockist with a commitment to innovation and product integrity.

Cold-worked ASME SB 637 Rod Tolerances

Type	SIZES (mm)	SIZES (Inches)	ISO Tolerance
Cold Drawn and Ground	10.00 to 75.00	5/6” to 2.50”	h9-h8-h11-h10
Peeled and Ground	20.00 to 50.00	3/4″ to 2.00”	h11-h9-h10
Cold Drawn and Polish	3.00 to 75.00	1/8” to 3.00”	h10-h8-h11-h9
Peeled and Polished	40.00 to 150.00	1.50” to 6.00”	h11

Check Excellent Mechanical Properties of ASTM B637 Bar with Annealing, Solution & Stabilizing Treatment

ASME SB 637 Cold Worked Nickel Alloy Bar Delivery Conditions

P&T	Peeled and turned	RT	Rough turned/peeled
BD	Bright drawn	SRE	Slit rolled edge
CD	Cold drawn	P	Polished
CF	Cold finished	HRAP	Hot rolled annealed and pickled
CG	Centreless ground	HF	Hot finished
ST	Smooth turned	PR	Peeled and reeled

Preferred ASTM B637 Round Bar Stockist for industries requiring strength, resilience, and precision.

Cold-worked ASME SB 637 Rod Equivalent Standards

STANDARD	UNS	WERKSTOFF NR.	JIS
Inconel X750	N07750	2.4669	NCF X-750
Inconel 718	N07718	2.4668	-

Chemical Composition of B637 Round Bar

Grade	Silicon	Nickel	Iron	Carbon	Copper	Manganese	Aluminum	Chromium	Sulfur	Carbon monoxide	Titanium
Inconel 718	0.035	50-55	17-21	4.75-5.50	0.65-1.15	0.08	0.0006	50-55	0.015	0.20-0.80	0.015
Inconel X750	0.50	70.0	-	0.8	0.50	1.00	0.40-1.0	14.0-17.0	0.01	-	2.25-2.75

ASME SB 637 Cold Worked Nickel Alloy Bar Mechanical Properties

Grade	Tensile Strength	Yield Strength (0.2%Offset)	Melting Point	Elongation
Inconel X- 750	1267 MPa	868 MPa	1430°C	25%
Inconel 718	Psi - - 135,000 . MPa - 930	Psi 70,000 MPa - 482	1350 °C (2460°F)	45%

Room-Temperature Resistivity of Hot-Rolled ASME SB 637 Rod

Heat Treatment	Resistivity, ohm/circ mil/ft
As hot-rolled	759
2100°F/1 hr, A.C.+1500°F/24 hr, A.C.+ 1300°F/20 hr, A.C.	724
1800°F/1 hr, A.C.+1350°F/8 hr,F.C. to 1150°F, hold at 1150°F for total time of 18 hr, A.C.	739
2000°F/1 hr, A.C.	763

ASTM B637 Bar Thermal Properties

Temperature, °F	Thermal Conductivity, Btu/in./hr/sq ft/°F	Mean Linear Expansion, in./in./°F x 10-6 from 70° F to Temperature Shown	Diffusivity, sq ft/hr	Specific Heat Btu/lb/°F	Electrical Resistivity, ohm/circ mil/ft
-100	74	6.7	0.135	0.090	-
70	83	-	0.132	0.103	731
-250	67	6.5	0.150	0.073	-
-200	70	6.6	0.143	0.080	-
600	109	7.5	0.148	0.120	761
800	120	7.8	0.158	0.125	771
200	89	7.0	0.133	0.109	739
400	98	7.2	0.140	0.116	746
1000	131	8.1	0.169	0.130	783
1600	164	9.3	0.164	0.171	761

Find our Ready Stock in Following Locations

Muscat	Dubai	Ras Al Khaimah	Riyadh
Saudi Arabia	Al Khobar/ Abu Dhabi	Ajman	Al Jubail
Sharjah	Armenia	Doha	Fujairah

Explore Nearby Locations for the Quickest Delivery Options

Export to	Shipping Time in Days	Export to	Shipping Time in Days	Export to	Shipping Time in Days
Iraq	12	UAE	5	Oman	5
Cyprus	16	Europe	19	Kenya	19
Lebanon	14	Netherlands	8	Singapore	8
Tanzania	18	Algeria	17	Russia	22
Australia	20	Nigeria	9	Indonesia	9
New Zealand	25	Philippines	12	Qatar	6
Vietnam	10	Thailand	10	Tunisia	18

Buyer Questions

ASTM B637 Round Bar FAQs

What is ASTM B637 Round Bar made from?

It's a nickel-based precipitation-hardening superalloy, manufactured and stocked by us to ASTM B637 specifications.

Which specifications does ASTM B637 Cold Worked Nickel Alloy Bars meet?

It meets ASTM B637 and ASME SB637 for chemical composition, mechanical properties and dimensional tolerance.

What sizes does ASTM B637 Bar come in?

We supply standard mill sizes ex-stock, with custom cutting available on request.

Where does Kanakratna Steelage stock ASME SB 637 Rod from?

We stock and ship ex-Mumbai, India, with pan-India and international export delivery.

What determines B637 Round Bar pricing?

Price depends on size, quantity, form, heat-treatment condition and current raw-material market rates.

NACE Certified and No.1 Supplier, Distributors and Stockist of High Nickle Based Alloys Material in Mumbai, India
Offer Reseller Price to Dealer and Wholesalers in West Asia, Malaysia, Thailand, Algeria, Indonesia, MENA countries, South Africa and West Africa
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Keep Wide Stock of Nickel Alloy Bar and Plate in Vietnam, Netherlands, Russia, Myanmar, Kenya, etc.
Importer and Stockholder of Prime Quality Oil and Gas Piping Products As per Standard and With Material Testing
Rank in Top 5 Exporter of Nickel Alloy Forgings at Competitive Price, Compare Price in India, Nigeria, China and Middle East
Offer Cut to Size Facility Without Extra Cost.
Over 500 Traders and Steel Fabricators in Middle East and Gulf Countries Import Aerospace Material From Kanakaratna Since 25 years.