Special Stainless Steel 439m Round or Square Rod &Bar

• Customization: Available
• Standard: DIN, JIS, AISI, ASTM, GB, BS
• Technics: Cold Drawn
• Model NO.: 439M
• Surface: Black
• Alloy: Non-alloy
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
• Certification: RoHS, ISO9001, SGS ,ASTM, JIS, DIN, En,GB,
• Form/Shape: Sheet, Plate, Bar, Rod, Tube, Pipe, Strip, Foil an
• Payment: T/T 30% Prepayment, 70% Balance Before Delivery
• Delivery Time: 2-10 Working Days After Getting The Prepayment
• Transport Package: Standard Export Packaging
• Specification: as following
• Trademark: Taixie
• Origin: China
• HS Code: 7226999090
• Production Capacity: 10 Tons Per Month

Product Description

1.[Special stainless steel 439M   Round or Square Rod &Bar ] 
Surface:

1.mill finish (not polished)
2.brushed
3.mirror  finish 
3.embossed 
4.oxidized
5.cold-rolled
6.hot-rolled

2.[Special stainless steel 439M Round or Square Rod &Bar ] 
Specification:


1.Sheet:cold rolled
 0.5-3mm*1000(1219)mm*2000(2438)mm or customized
2.Plate: hot rolled 
3-50mm*1500(1800)mm*6000mm or customized

3.Pipe/tube:
 Dia0.5-200mm*L6000 or customized


4.Bar/rod:
1)Round bar : Diameter: 1mm~800mm *Thk20* L6000or customized
2)Square bar :  4mm*4mm~100mm*100mm* L6000or customized
3)Flat bar : Thickness: 2mm~100mm,Width:  10mm~500mm  Length:6000or customized
4)Hexagonal bar :  2mm~100mm*L6000or customized
5)Angle bar :  3mm*20mm*20mm~12mm*100mm*100mm*L6000or customized


2.[Special stainless  Steel 439M   Round or Square Rod &Bar ] 
Chemistry:

Chemical Composition

The chemical composition of grade 439 stainless steel is outlined in the following table.

Element	Content (%)
Iron, Fe	81.3535
Chromium, Cr	17.35
Silicon, Si	0.35
Titanium, Ti	0.335
Manganese, Mn	0.25
Nickel, Ni	0.200
Molybdenum, Mo	0.1
Niobium, Nb (columbium, Cb)	0.02
Phosphorous, P	0.02
Nitrogen, N	0.0100
Carbon, C	0.01
Sulfur, S	0.0015

Mechanical Properties

The mechanical properties of grade 439 stainless steel are displayed in the following table.

Properties	Metric	Imperial
Tensile strength (annealed)	438 MPa	63500 psi
Yield strength (annealed/ @strain 0.200 %)	263 MPa	38100 psi
Modulus of elasticity	GPa	ksi
Poisson's ratio	0.270 - 0.290	0.270 - 0.290
Elongation at break (In 2", 50% cold worked)	2.80%	2.80%
Hardness, Rockwell B (annealed)	72.9	72.9

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