After years of exploration, our 446 stainless steel tubing, 316 Stainless Steel Plate, Maraging Steel bar has condensed the world's cutting-edge technology, hoping that it will come closer to the needs of consumers. Over the years, we have implemented an active business culture and established a comprehensive scientific system of business culture. We have set up a strong sense of responsibility and enterprising spirit to strive for the first-class.
6150 spring steel bar
6150 spring steel bar is widely used inmechanical manufacture,construction field,farm vehicles,agriculture greenhouse,automotive industry,railway,decoration,steel structure,etc.

Product Basic Information:
Material | 6150 | ||
Chemical Composition | Mechanical Properties(In Quenched & Tempered State) | ||
C | 0.38-0.45 | Tensile strength(MPA) | 1080 |
Si | 0.17-0.37 | Yield strength (MPA) | 930 |
Mn | 0.50-0.80 | Elongation(δ5/%) | 12 |
Cr | 0.90-1.20 | Reduction in Area (ψ/%) | 45 |
Mo | 0.15-0.25 | Impact (J) | 63 |
P | ≤0.035 | Hardness | ≤229HB |
S | ≤0.035 | ||
Cu | ≤0.30 | ||
Ni | ≤0.30 | ||
Similar steel grade & equivalent steel materials:
| USA | Japanese | Gemany | British | France | International | Chinese |
ASTM&AISI&SAE | JIS | EN DIN | EN BS | EN NF | ISO | GB |
6150 | Sup10 | 51CrV4(1.8159) | 51CRV4 | 51CrV4 | ------ | 50CrVA |

Below inspection will be done in the production.
(1) Ray detection---RT;
(2) Ultrasonic testing---UT;
(3) Magnetic Particle Testing-MT;
(4) Penetration testing-PT;
(5) Eddy current flaw detection-ET
Packing & Delivery
Standard seaworthy package:
1.Packed in bundles,wrapped with kraft paper for protection,reinforced by steel strip for the convenience of long distance transportation.
2.Each bundle weight: 2.0 to 3.0 MT.

FAQ
1.Q: Are your a factory or a trading company?
A: We are a factory.
2.Q: What is your delivery date?
A:The delivery date is about 10-30 days after receipt of payment.
3.Q: How can I get some sample?
A: We are honored to offer you samples
4.Q: OEM is acceptable?
A: Yes. We are good at steel making since 2002 with complete production equipments. Share your new project with us, we will help you to solve it.
5.Q: What are the difference between you and other steel company?
A: Quality first! The price will be changed according to your order. The rechargeable sample's will return to you after you offer the deposit!Our company are full of chinese culture,Won't you want to come here! ^.^
The sales are beautiful and handsome0.0!

Our Service

'Quality first' in mind, we work closely with our customers and provide them with efficient and professional services for 45# Hot Rolled Carbon Steel Flat Bar for Chains. Our company regards high-quality service as the life of the enterprise. In order to enable the majority of users to enjoy complete supporting services, perfect technical consultation and after-sales service, the product service has been continuously upgraded over the years. We adopt advanced equipment combined with scientific development and research to carry out strict quality management.

