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{"title":"Hot Rolled Bright Surface 630 Stainless Steel Bar 17-4PH with OD 6-300mm","imgUrl":"https:\/\/img.chinax.com\/nimg\/eb\/31\/fd31d464b8f3b2ca9fa7c6be632c-200x200-1\/hot_rolled_bright_surface_630_stainless_steel_bar_17_4ph_with_od_6_300mm.jpg","attrs":{"Certification":"ISO, AISI, ASTM, EN, DIN, JIS","Minimum Order Quantity":"50 kg","Price":"US $1.87-9.85 \/ kg","Model Number":"630"}}
{"title":"ASTM A276 Bright Annealing UNS S17400 Stainless Steel Round Bar with OD 6-300mm","imgUrl":"https:\/\/img.chinax.com\/nimg\/7b\/89\/306dd724fb1650d6cc746b8a12eb-200x200-1\/astm_a276_bright_annealing_uns_s17400_stainless_steel_round_bar_with_od_6_300mm_and_precipitation_hardening.jpg","attrs":{"Certification":"ISO, AISI, ASTM, EN, DIN, JIS","Minimum Order Quantity":"50 kg","Price":"US $3.44-4.05 \/ kg","Shape":"Round"}}
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{"title":"Grade 201 Stainless Steel Bright Bar Hot Rolled with Diameter 3mm - 50mm","imgUrl":"https:\/\/img.chinax.com\/nimg\/0e\/ea\/ce4dbe173cf279904fc10574ef05-200x200-1\/grade_201_stainless_steel_bright_bar_hot_rolled_with_diameter_3mm_50mm.jpg","attrs":{"Certification":"ISO, AISI, ASTM, EN, DIN, JIS","Minimum Order Quantity":"50 kg","Price":"US $3.46-4.07 \/ kg","Shape":"Round"}}
{"title":"254smo\/1.4547 Bright Black Surface Stainless Steel Round Bar S31254 with OD 6","imgUrl":"https:\/\/img.chinax.com\/nimg\/3f\/55\/db5c514689afc19a56438986dd40-200x200-1\/254smo_2f1_4547_bright_black_surface_stainless_steel_round_bar_s31254_with_od_6_300mm.jpg","attrs":{"Certification":"ISO, AISI, ASTM, EN, DIN, JIS","Minimum Order Quantity":"50 kg","Price":"US $12-16.5 \/ kg","Shape":"Round"}}
{"title":"201 304 316L Stainless Steel Bright Bar with Bright Surface and OD 6-300mm","imgUrl":"https:\/\/img.chinax.com\/nimg\/33\/b9\/fa51a4537525415c1dc402a007ce-200x200-1\/201_304_316l_stainless_steel_bright_bar_with_bright_surface_and_od_6_300mm_mirror_polished_stainless_steel_round_bar.jpg","attrs":{"Certification":"ISO, AISI, ASTM, EN, DIN, JIS","Minimum Order Quantity":"50 kg","Price":"US $1.48-4.11 \/ kg","Shape":"Round"}}
630 Stainless Steel Bar ASTM A564 Type 630 H1075 Round Bar
17-4PH Stainless Steel Overview
17-4 Precipitation Hardening (Type 630) is a chromium-copper precipitation hardening stainless steel designed for applications requiring high strength and moderate corrosion resistance. This alloy maintains high strength up to approximately 600°F (316°C).
General Properties
Alloy 17-4 PH is a precipitation hardening martensitic stainless steel with copper and niobium/columbium additions. This grade combines high strength, hardness (up to 572°F / 300°C), and corrosion resistance. Mechanical properties can be optimized through heat treatment, achieving very high yield strength up to 1100-1300 MPa (160-190 ksi).
Applications & Standards
Applications
Standards
Offshore (foils, helicopter deck platforms)
Food industry
Pulp and paper industry
Aerospace (turbine blades)
Mechanical components
Nuclear waste casks
ASTM A693 grade 630 (AMS 5604B) UNS S17400
EURONORM 1.4542 X5CrNiCuNb 16-4
AFNOR Z5 CNU 17-4PH
DIN 1.4542
Corrosion Resistance
Alloy 17-4 PH withstands corrosive attacks better than standard hardenable stainless steels and is comparable to Alloy 304 in most media. For stress corrosion cracking risks, higher aging temperatures above 1022°F (550°C) are recommended. The alloy provides corrosion resistance in chemical, petroleum, paper, dairy, and food processing industries.
Chemical Composition
Table 1: Composition ranges for grade 630 stainless steels
Element
Min (%)
Max (%)
C
-
0.07
Mn
-
1.00
Si
-
1.00
P
-
0.04
S
-
0.030
Cr
15.00
17.50
Ni
3.00
5.00
Cu
3.00
5.00
Nb+Ta
0.15
0.45
Mechanical Properties
Table 2: Mechanical properties of grade 630 stainless steels
Condition
Tensile Strength (MPa)
Yield Strength 0.2% Proof (MPa)
Elongation (% in 50mm)
Hardness Rockwell C (HRC)
Hardness Brinell (HB)
Solution Treated
1105 typ
1000 typ
15 typ
38 max
363 max
Condition 900
1310 min
1170 min
10 min
40 min
388 min
Condition 1150
930 min
724 min
16 min
28 min
277 min
Heat Treatment
Table 6: Typical mechanical properties after solution treating
Condition
Hardening Temp (°C)
Time (h)
Typical Hardness Rockwell C
Tensile Strength (MPa)
A
Ann
-
36
1100
H900
482
1
44
-
H925
496
4
42
1170-1320
H1025
552
4
38
1070-1220
H1075
580
4
36
1000-1150
H1100
593
4
35
970-1120
H1150
621
4
33
930-1080
Applications
Engine components
High strength and boat propeller shafts
Plastic moulding dies
Valves and gears
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...
