630 Round Bars
Table of Content
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Product Specification
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Chemical Composition
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Mechanical Composition
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Equivalent Grade
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DETAILED INFORMATION
Different metals and alloys are used for making 630 Round Bars Manufacturer. One of the most common alloys is that of chromium, nickel, and copper. It is also known as 1630 Round Bars. These bars are made up of martensitic steel and do not have chromium in them hence 630 Round Bars prone to rust. When these 630 Round Bars are delivered from the mill they have slight rust and oxide that can be removed by blasting it with steel. It is usual for these UNS S17400 Bar to be pickled even though they cannot be pickled safely using nitric hydrofluoric acid mixtures. If a 17-4PH Hot Rolled Round Bar needs to be pickled then they need to be put through a nitric only bath that leaves a thin layer of iron oxide on the surface.
Alloy 630 Round Bars are manufactured by Purohit Pipe Industries, one of the leading companies in this field. These 630 Round Bars are essentially used as a Connector between the pipes in the middle. They are also used as a plug in to resist pressure in pressure valves. Our Alloy 630 is in huge demand in many large scale industrial applications. One of the best-selling items is the round bar because of its durable leak-proof properties.
Professional teams are dedicated to managing the production and export of 630 Round Bars Products. With abundant technical support, we manufacture these Alloy 630 Round Bars with utmost care on quality. For over two decades, we have been recognized as one of the world’s leading stockists and manufacturers of quality metals and are ISO 9001:2008 registered. We are committed to providing quick response times, exceptional quality, competitive pricing, timely deliveries, and a comprehensive inventory of metals.
Even though stainless steel grades such as alloy 304 have been compared with 630 Round Bars in terms of corrosion resistance. In particular, the previous use of chromium stainless steels has been replaced by very cost-effective 630 Round Bars in industries like food, dairy, processing, petrochemicals, petroleum, and the paper industry.
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630 Round Bars Specifications
Grade | DIN, JIS, ASTM, BS, ASME, AISI |
Specification | 17-4 PH (UNS No. S17400) |
17-4 PH Square bar size | 4 to 100mm |
AMS 5643 Steel 17-4 PH Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
SS 17-4 PH UNS S17400 Hex Bar size | 2-100mm A/F |
17-4 PH Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
AMS 5643 Steel 17-4 PH Rectangles Size | 33 x 30mm to 295 x 1066mm |
SS 17-4 PH UNS S17400 Flat bar size | Thickness: 2 -100mm |
Width: 10 to 500mm | |
17-4 PH Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
AMS 5643 Steel 17-4 PH Section | 3.0 to 12.0mm thickness |
SS 17-4 PH UNS S17400 Round bar size | Diameter: 3-~800mm |
17-4 PH Billet Size | 1/2″ to 495mm Diameter |
AMS 5643 Steel 17-4 PH Round Bar Standard Dimensions |
Diameter / Height: 17-4 PH Rod and Bar Sizes : 0.5 inches / 0.625 inches / 0.75 inches / 0.875 inches / 1.0 inches / 1.125 inches / 1.25 inches / 1.375 inches / 1.5 inches / 1.75 inches / 2.0 inches / 2.25 inches / 2.5 inches / 2.75 inches / 3.0 inches / 3.25 inches / 3.5 inches / 3.75 inches / 4.0 inches / 4.25 inches / 4.5 inches / 5.0 inches / 5.25 inches / 5.5 inches / 6.0 inches / 7.0 inches / 8.0 inches / 9.0 inches. |
17-4 PH Surface | Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
AMS 5643 Steel 17-4 PH Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
SS 17-4 PH UNS S17400 Technique | 17-4 PH Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
17-4 PH Condition | Hardened & tempered, annealed |
Finish | Cold (bright) drawn, centerless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centerless Ground & Black |
Form | 17-4 PH Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, 17-4 PH Flat Bar, Square Bar, 17-4 PH Blocks, 17-4 PH Round Rod, 17-4 PH Rings, 17-4 PH Hollow, 17-4 PH Triangle, Rectangle, Hex (A/F), 17-4 PH Threaded, Half Round Bar, Profiles, 17-4 PH Billet, 17-4 PH Ingot, I/H Bar, Forging, etc. |
630 Round Bars Chemical Composition
Grade | Si | P | C | Ni | Cu | Fe | Mn | S | Cr | Cb+Ta |
SS 17-4 PH | 1.0 max | 0.04 | 0.07 | 3.0 – 5.0 | 3.0 – 5.0 | Bal | 1.0 max | 0.03 | 15.0 – 17.5 | 5 X C / 0.45 |
630 Round Bars Mechanical Properties
Stainless Steel 17-4 PH Bar Properties | Stainless Steel 17-4 PH Round Bar Yield Strength (@ Strain 0.200%) | Stainless Steel 17-4 PH Round Bar Tensile Strength | Stainless Steel 17-4 PH Round Bar Elastic Modulus | Stainless Steel 17-4 PH Round Bar Poisson’s Ratio | Stainless Steel 17-4 PH Round Bar Hardness, Rockwell B | Stainless Steel 17-4 PH Round Bar Elongation At Break (In 50 Mm) |
Metric | 275 MPa | 620 MPa | 193 GPA | 0.27-0.30 | 85 | 45% |
630 Round Bars Equivalent Grades
STANDARD | UNS | DIN |
ASTM 17-4 ph stainless steel round bar | s17400 | 1.4542 |
Size Range Of 630 Round Bars
Metric |
US Bar |
ASTM/ Canadian |
Japanese |
||||
Bar Size |
Diam. (mm) |
Bar Size |
Diam. (Inch) |
Bar Size |
Diam. (mm2) |
Bar Size |
Diam. (mm) |
5 |
5 |
#2 |
0.250 |
10M |
100 |
6 |
6 |
5.5 |
5.5 |
#3 |
0.375 |
15M |
200 |
10 |
10 |
6 |
6 |
#4 |
0.500 |
20M |
300 |
13 |
13 |
7 |
7 |
#5 |
0.625 |
25M |
500 |
16 |
16 |
8 |
8 |
#6 |
0.750 |
30M |
700 |
19 |
19 |
9 |
9 |
#7 |
0.875 |
35M |
1000 |
22 |
22 |
10 |
10 |
#8 |
1.000 |
45M |
1500 |
25 |
25 |
11 |
11 |
#9 |
1.125 |
55M |
2500 |
29 |
29 |
12 |
12 |
#10 |
1.250 |
32 |
32 |
||
14 |
14 |
#11 |
1.375 |
35 |
35 |
||
16 |
16 |
#12 |
1.500 |
38 |
38 |
||
18 |
18 |
#13 |
1.625 |
41 |
41 |
||
20 |
20 |
#14 |
1.750 |
44 |
44 |
||
22 |
22 |
#15 |
1.875 |
48 |
48 |
||
25 |
25 |
#16 |
2.000 |
51 |
51 |
||
28 |
28 |
#18 |
2.250 |
57 |
57 |
||
32 |
32 |
||||||
36 |
36 |
||||||
40 |
40 |
||||||
44 |
44 |
||||||
50 |
50 |
Properties Of 630 Round Bars
Condition |
Ultimate Tensile Strength (PSI) |
0.2% Yield Strength (PSI) |
Elongation (% in 2in.) |
Reduction Of Area (%) |
Hardness Brinell |
Hardness Rockwell |
H900 |
190,000 |
170,000 |
10 |
40 |
388 |
C40 |
H1025 |
155,000 |
145,000 |
12 |
45 |
331 |
C35 |
H1075 |
145,000 |
125,000 |
13 |
45 |
311 |
C32 |
H1150 |
135,000 |
105,000 |
16 |
50 |
277 |
C28 |
H1150-M |
115,000 |
75,000 |
18 |
55 |
255 |
C24 |
H1150-D |
125,000 |
105,000 |
16 |
50 |
255 min- 311 max |
C24-33 |
Corrosion Resistance
Type 17-4PH / 630 is comparable to Type 304 Stainless Steel in most media, and superior to the hardenable 400 Series stainless steels. Refer to NACE (National Association of Corrosion Engineers) for recommendations.Type 17-4PH / 630 is comparable to Type 304 Stainless Steel in most media, and superior to the hardenable 400 Series stainless steels. Refer to NACE (National Association of Corrosion Engineers) for recommendations.
Heat Resistance
In order to prevent loss of toughness at ambient temperature, grade 630 stainless steel should not be exposed for an extended period of time to temperatures between 370°C and 480°C. In order to avoid loss of hardness and mechanical properties, these grades should not be used at temperatures above their age-hardening temperature.
Heat Treatment
Grade 630 stainless steels are heated at 1040°C for 0.5 h, then air-cooled to 30°C. Small sections may be quenched in oil.
As Grade 630 stainless steels age-harden at low temperatures, superficial discoloration occurs followed by shrinkage at 0.10% for condition H1150, and 0.05% for condition H900.
Welding
In designing and welding high strength steels, care should be taken to prevent weldment stresses caused by grade 630 stainless steels.
Machining
Solution-treated grade 630 stainless steels can be machined at machining rates similar to grade 304 steels.
TESTINGS (DESTRUCTIVE, NON DESTRUCTIVE):
- Positive Material Identification – PMI Testing
- Chemical Analysis – Spectro Analysis
- Mechanical Testing Such as Tensile, Elongation, Reduction of Area
- Micro Test
- Macro Test
- Hardness Test
- Pitting Resistance Test
- Intergranular Corrosion (IGC) Test
- Flaring Test
- Flattening Test
- Hydrostatic Test
- Hydrogen-Induced Cracking (HIC) Test, NACE TM0284
- Sulphide Stress Corrosion Cracking (SSC), NACE TM 0177
- Radiography Test
- Dye Penetrant Test (DP Test)
- UltraSonic Test (UT)
- Eddy Current Testing
- Impact Test
- Bend Test
PACKING :
We Purohit Pipe Industries Ensure the best quality of Packing, because it plays an important role especially in the case of international shipments in which consignment passes through various channels to reach the ultimate destination, so we put extraordinary concern regarding packaging.
We pack our goods in numerous ways based on the products. We pack our products in multiple ways, such as:–
- Boxes and Crates
- Shrink-wrapped
- Carton boxes
- Wooden pallets
- Wooden boxes
- Wooden crates
Application industry of 630 Round Bars :
- Chemical tanks
- Pulp & Paper Industries
- Petrochemical Industries
- Power Generation Industries
- Oil & Gas Industries
- Desalination
- Architecture and Construction
- Food Processing Equipment
- Biofuels plant
- Cargo tanks for ships and trucks
- Chemical Industries Pumps, fans, centrifuges, sulphur melting coils,
- Digester in sulphate and sulfite plants, blow tanks, blow lines
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