Baoxin stainless steel bar SUS631 stainless steel bar square bar
 

Description:

The company's main production and sales of materials are: SUS201, 301, 302, 304, 303, 316, 316L, 410, 420J, 430F, 631 and other materials of stainless steel round steel, stainless steel bar, stainless steel grinding bar, stainless steel easy car bar, stainless steel bright bar, stainless steel black leather bar, stainless steel wire straightening bar, straight bar and other products.
Also according to the needs of different users, to order a variety of special specifications of special steel.

To half 631 0 cr17ni7al, 631 austenitic precipitation-hardening stainless steel, is a kind of unstable austenitic stainless steel, the steel solid solution state, at room temperature for austenitic organization, after cold working, cold treatment, or heated to 750 degrees to adjust processing, austenite transformation martensite, then aging treatment, on the martensitic matrix can be the second phase precipitation and make the steel reinforcement.

Mechanical properties 
tensile strength (MPa): solid solution, ≤1030. 565 ℃ ageing, ≥1140; 510 ℃, ≥1230 

conditional yield strength (0.2mpa): solid solution, .≤380 ；565℃  ageing, ≥960;510 ℃ ageing, ≥1030

Elongation 5 (%): solid solution,≥20;565 ℃ ageing, ≥5 ;510 ℃ ageing, ≥4 

Reduction of area bits (%) : 565 ℃ ageing, ≥25 ;510 ℃ ageing, ≥10  

Hardness: solid solution, 229HB;≥363 hb 565 ℃ ageing;510 ℃ ageing, ≥388 hb

Fold and edit this section for heat treatment
1) solid solution, 1000 ~ 1100 ℃ cold quickly;

2) 565 ℃ ageing, after solid solution treatment, compared to 760 ±15 ℃ keep 90 min, within 1 h cooling below 15 ℃, 30 min, and then heated to 565 ±10 ℃ maintain 90 min, air cooling;

3) 510 ℃ ageing, after solid solution treatment, compared to 955 + 10 ℃ for 10 min, air cooling to room temperature within 24 h of cooling to - 73 ±6 ℃, keep 8 h, and then heated to 510 ±10 ℃ keep 60 min, air cooling.

Chemical Composition:

Specification

Product Show:

Stainless steel specification:

Stainless steel rod specifications: Ф10 ~ Ф320 material:  431 301 303 304 321 316 316 l 309 s to 310 s, 405, 410, 430

Stainless steel sheet plate 0.025mm～80mm Material: 430 201 202 304 321 316L 309S 310S 405 410 420 420J2

Stainless steel pipe specifications: Ф6 ~ Ф426 x 1 ~ 50 material: 431 301 303 304 321 316 316 317 317 l, 347 l, 347 h, 309 s, 310 s, 405, 410, 430

Stainless steel industrial pipe specification: Ф57 ~ Ф2050 x 1~ 50 material: 321 316 l 316 s to 310 s, 301, 303, 304

The stainless steel profile Angle steel square steel six Angle steel flat steel channel steel i-beam, simultaneously also may carry on the batch processing production each kind of product according to the customer demand, the specialized guarantee quality, the high quality product and the high quality service wholeheartedly new old customer's presence!

Application
Stainless steel for its good function be widely used in high temperature applications, medical devices, building materials, chemistry, food industry, agriculture, ship components.
It also applies to food, beverage packaging, kitchen supplies, trains, aircraft, conveyor belts, vehicles, bolts, nuts, springs, and screen