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{"title":"Hot Rolled Bright Surface SS431 Round Bar AISI 431 Stainless Steel Bar OD 6","imgUrl":"https:\/\/img.chinax.com\/nimg\/dc\/45\/9738fe9dd3d45d39dd397d47d5fa-200x200-1\/hot_rolled_bright_surface_ss431_round_bar_aisi_431_stainless_steel_bar_od_6.jpg","attrs":{"Certification":"ISO, AISI, ASTM, EN, DIN, JIS","Minimum Order Quantity":"50 kg","Price":"US $2.35-5.35 \/ kg","Model NO.":"431"}}
{"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"}}
{"title":"Hot Rolled Bright Surface 17-4PH Stainless Steel Round Bar UNS S17400 with OD 6","imgUrl":"https:\/\/img.chinax.com\/nimg\/29\/78\/81357b4c743262742d1174256c1f-200x200-1\/hot_rolled_bright_surface_17_4ph_stainless_steel_round_bar_uns_s17400_with_od_6_300mm.jpg","attrs":{"Certification":"ISO, AISI, ASTM, EN, DIN, JIS","Minimum Order Quantity":"50 kg","Price":"US $3.45-4.06 \/ kg","Shape":"Round"}}
{"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"}}
DIN 1.2787, AISI 431 ESR Stainless Steel Round Bars specifically engineered for glass mold manufacturing. Available in prehardened or soft annealed states with rough peeled surface finish.
NEW GENERATION FOR GLASS MOLDS MANUFACTURING
431 mod. represents a special improved grade derived from 1.4057. ESR 431 premium supplies deliver extended mold life through its extra fine microstructure.
Chemical Composition Comparison
Grade
C
Si
Mn
P
S
Cr
Ni
Mo
V
FG431
0.17 ~ 0.22
0.4 ~ 0.5
0.6 ~ 0.7
0.025 max.
0.015 max.
15.5 ~ 16.0
1.7 ~ 1.9
0.2 ~ 0.25
0.06 ~ 0.1
DG431
0.20 ~ 0.25
0.25 ~ 0.35
0.8 ~ 0.9
0.025 max.
0.015 max.
15.5 ~ 16.0
1.8 ~ 1.9
0.3 ~ 0.35
0.05 ~ 0.1
Material Overview
431 is a high chromium-low nickel Martensitic stainless steel with exceptional hardenability, offering high strength and good corrosion resistance. Typically supplied hardened and tempered in the tensile range 850-1000 MPa (condition T) with Brinell hardness range 248-302.
Key Characteristics
Excellent corrosion resistance in general atmospheric environments
Good resistance to mild marine and industrial atmospheres
Resistant to organic materials, nitric acid, and petroleum products
High tensile and yield strength with excellent toughness
Capable of through hardening up to Rc44 depending on carbon content and section size
Responds readily to nitriding for surface hardness over Rc65
Magnetic in all conditions
Stock Information
Colour Code
Purple (Bar end)
Stocked Sizes
6.35 to 260 mm diameter
Bar Finish
Peeled, Cold Drawn, Turned and Polished, Centreless Ground
International Specifications
Australia
AS 2837-1986 431
Germany
W.Nr 1.4057 X20CrNi17 2
Great Britain
BS970 Part3 1991 431S29, BS970 - 1955 EN57
Japan
JIS G4303 SuS 431
USA
ASTM A276-98b 431, SAE 51431 AISI 431, UNS S43100
Standard Chemical Composition
Element
Min. %
Max %
Carbon
0.12
0.20
Silicon
0
1.00
Manganese
0
1.00
Nickel
1.25
3.00
Chromium
15.00
18.00
Phosphorous
0
0.04
Sulphur
0
0.03
*Carbon range can vary considerably *Nickel addition optional
Mechanical Properties
Standard Requirements (Condition T)
Property
Annealed
Condition T*
Tensile Strength MPa
Min
850
Tensile Strength MPa
Max
1000
0.2% Yield Strength MPa
Min
635
Elongation on 5.65√S0 %
Min
11
Izod Impact Value J mm
Min
63 34 / 63 20
Hardness HB
Min
248
Hardness HB
Max
277 / 302
*Material stocked generally in condition T. Check mill certificate if critical for end use.
Typical Room Temperature Properties (Hardened & Tempered to Condition T)
Tensile Strength MPa
940
0.2% Yield Strength MPa
750
Elongation in 50mm %
19
Impact Izod J
65
Hardness HB
280
Hardness Rc
30
Typical Hardening Temperatures
980°C - 1020°C
Typical Tempering Temperatures
640°C - 660°C / 590°C - 610°C
Applications
Extensively used for components requiring high tensile strength, good toughness, and corrosion resistance. Typical applications include aircraft parts, bolts and nuts, fasteners, pump shafts, propeller shafts, studs, and valve parts.
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...